dcrat | 9b9a97772a741c60cbca3714a65d59c4b1e768ab1e4f434511d9c05540a579fd

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24/07/2024, 14:55

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General

Target
DCRatBuild.exe
Size 3.0MB
Sample240724-sakecsvcqf
SHA256 9b9a97772a741c60cbca3714a65d59c4b1e768ab1e4f434511d9c05540a579fd
MD5 9056618a634ae845b6a795a72f18acf4
SHA1 aca91e2d77b62bffd6d9d2031181edb5d010288b
SHA512 863ba6e461ab706ea882316d7f36a17ae62dd5f7eb150dcb1e3b426e7479b385525c3979dc33e60e3d9ed2c4d2799d1f8a85f04892524befa3aec4c380fd0f92
SSDEEP 49152:UbA30gFb062ieTHD5br1BMPhfekJS+8N/bkLmKK+GOF1hvBP2VzhPJF:UbXX1bZ2PMLLjB+G4hvp21Fz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dcrat credential_access discovery evasion infostealer persistence rat spyware stealer trojan

Malware Config

Signatures

DcRat 46 IoCs

DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

rat infostealer dcrat

description	ioc	pid	Process
		2540	schtasks.exe
		2852	schtasks.exe
		1184	schtasks.exe
		1312	schtasks.exe
		2960	schtasks.exe
		2884	schtasks.exe
		1372	schtasks.exe
		1572	schtasks.exe
		900	schtasks.exe
		2300	schtasks.exe
		1028	schtasks.exe
		448	schtasks.exe
		1812	schtasks.exe
		1400	schtasks.exe
		1752	schtasks.exe
		344	schtasks.exe
		904	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language		DCRatBuild.exe
		1256	schtasks.exe
		1720	schtasks.exe
		2312	schtasks.exe
		644	schtasks.exe
		1316	schtasks.exe
		1448	schtasks.exe
		1936	schtasks.exe
		1748	schtasks.exe
		2976	schtasks.exe
		892	schtasks.exe
		1612	schtasks.exe
		1064	schtasks.exe
		320	schtasks.exe
		2868	schtasks.exe
		3032	schtasks.exe
		2916	schtasks.exe
		328	schtasks.exe
		2100	schtasks.exe
		2620	schtasks.exe
		2420	schtasks.exe
		1836	schtasks.exe
		316	schtasks.exe
		2820	schtasks.exe
		2368	schtasks.exe
		2756	schtasks.exe
		2084	schtasks.exe
		2336	schtasks.exe
		1864	schtasks.exe

Modifies WinLogon for persistence 2 TTPs 15 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Users\\Admin\\Application Data\\taskhost.exe\", \"C:\\Users\\Admin\\Application Data\\csrss.exe\", \"C:\\Program Files (x86)\\Windows Mail\\es-ES\\winlogon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Users\\Admin\\Application Data\\taskhost.exe\", \"C:\\Users\\Admin\\Application Data\\csrss.exe\", \"C:\\Program Files (x86)\\Windows Mail\\es-ES\\winlogon.exe\", \"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\portproviderperf.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Users\\Admin\\Application Data\\taskhost.exe\", \"C:\\Users\\Admin\\Application Data\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\", \"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\", \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\", \"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Users\\Admin\\Application Data\\taskhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\", \"C:\\Users\\All Users\\Desktop\\lsm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\", \"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\""	portproviderperf.exe

Process spawned unexpected child process 45 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2820	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2540	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2620	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	320	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2100	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1064	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2852	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2884	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2368	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2756	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2300	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1184	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2868	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1448	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1028	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1256	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3032	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2916	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2084	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2420	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2336	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1936	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1312	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	448	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1812	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	328	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1400	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1720	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1752	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1748	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1836	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2976	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1864	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	892	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1372	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1572	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	900	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2312	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	644	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	344	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1316	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	904	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	316	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2960	1668	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1612	1668	schtasks.exe	35

UAC bypass 3 TTPs 6 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	winlogon.exe

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x000700000001907c-9.dat	dcrat
behavioral1/memory/2652-13-0x0000000000010000-0x00000000002C2000-memory.dmp	dcrat
behavioral1/memory/2272-68-0x0000000000200000-0x00000000004B2000-memory.dmp	dcrat

Disables Task Manager via registry modification
evasion

Executes dropped EXE 2 IoCs

pid	Process
2652	portproviderperf.exe
2272	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
2636	cmd.exe
2636	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 30 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\Windows Mail\\es-ES\\winlogon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\Users\\Admin\\Application Data\\taskhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\Admin\\Application Data\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\portproviderperf = "\"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\portproviderperf.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Users\\All Users\\Desktop\\lsm.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\SurrogatewinDrivernetsvc\\winlogon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\portproviderperf = "\"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\portproviderperf.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\SurrogatewinDrivernetsvc\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsass.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\Admin\\Application Data\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\Windows Mail\\es-ES\\winlogon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\conhost = "\"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Recovery\\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\\lsm.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\services.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\SurrogatewinDrivernetsvc\\audiodg.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\Users\\Admin\\Application Data\\taskhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\SurrogatewinDrivernetsvc\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Users\\All Users\\Desktop\\lsm.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\conhost = "\"C:\\MSOCache\\All Users\\{90140000-0011-0000-0000-0000000FF1CE}-C\\conhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\SurrogatewinDrivernetsvc\\dllhost.exe\""	portproviderperf.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	winlogon.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	portproviderperf.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	winlogon.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Mail\es-ES\cc11b995f2a76d	portproviderperf.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\portproviderperf.exe	portproviderperf.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\86b20d00d31a0c	portproviderperf.exe
File created	C:\Program Files (x86)\Windows Mail\es-ES\winlogon.exe	portproviderperf.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\diagnostics\system\taskhost.exe	portproviderperf.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DCRatBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3060	reg.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 45 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1184	schtasks.exe
2868	schtasks.exe
2420	schtasks.exe
1748	schtasks.exe
2976	schtasks.exe
1372	schtasks.exe
344	schtasks.exe
2820	schtasks.exe
1572	schtasks.exe
900	schtasks.exe
2100	schtasks.exe
2300	schtasks.exe
328	schtasks.exe
2312	schtasks.exe
1936	schtasks.exe
1400	schtasks.exe
1720	schtasks.exe
1836	schtasks.exe
1864	schtasks.exe
2620	schtasks.exe
2852	schtasks.exe
2756	schtasks.exe
1256	schtasks.exe
316	schtasks.exe
1612	schtasks.exe
2540	schtasks.exe
320	schtasks.exe
1448	schtasks.exe
3032	schtasks.exe
2336	schtasks.exe
1312	schtasks.exe
1752	schtasks.exe
2884	schtasks.exe
1028	schtasks.exe
2916	schtasks.exe
2084	schtasks.exe
448	schtasks.exe
1316	schtasks.exe
904	schtasks.exe
1064	schtasks.exe
2368	schtasks.exe
1812	schtasks.exe
892	schtasks.exe
644	schtasks.exe
2960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2652	portproviderperf.exe
2652	portproviderperf.exe
2652	portproviderperf.exe
2652	portproviderperf.exe
2652	portproviderperf.exe
2652	portproviderperf.exe
2652	portproviderperf.exe
2652	portproviderperf.exe
2652	portproviderperf.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe
2272	winlogon.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2272	winlogon.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	portproviderperf.exe
Token: SeDebugPrivilege	2272	winlogon.exe
Token: SeBackupPrivilege	928	vssvc.exe
Token: SeRestorePrivilege	928	vssvc.exe
Token: SeAuditPrivilege	928	vssvc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 2464	784	DCRatBuild.exe	31
PID 784 wrote to memory of 2464	784	DCRatBuild.exe	31
PID 784 wrote to memory of 2464	784	DCRatBuild.exe	31
PID 784 wrote to memory of 2464	784	DCRatBuild.exe	31
PID 2464 wrote to memory of 2636	2464	WScript.exe	32
PID 2464 wrote to memory of 2636	2464	WScript.exe	32
PID 2464 wrote to memory of 2636	2464	WScript.exe	32
PID 2464 wrote to memory of 2636	2464	WScript.exe	32
PID 2636 wrote to memory of 2652	2636	cmd.exe	34
PID 2636 wrote to memory of 2652	2636	cmd.exe	34
PID 2636 wrote to memory of 2652	2636	cmd.exe	34
PID 2636 wrote to memory of 2652	2636	cmd.exe	34
PID 2652 wrote to memory of 1488	2652	portproviderperf.exe	81
PID 2652 wrote to memory of 1488	2652	portproviderperf.exe	81
PID 2652 wrote to memory of 1488	2652	portproviderperf.exe	81
PID 1488 wrote to memory of 1976	1488	cmd.exe	83
PID 1488 wrote to memory of 1976	1488	cmd.exe	83
PID 1488 wrote to memory of 1976	1488	cmd.exe	83
PID 2636 wrote to memory of 3060	2636	cmd.exe	84
PID 2636 wrote to memory of 3060	2636	cmd.exe	84
PID 2636 wrote to memory of 3060	2636	cmd.exe	84
PID 2636 wrote to memory of 3060	2636	cmd.exe	84
PID 1488 wrote to memory of 2272	1488	cmd.exe	86
PID 1488 wrote to memory of 2272	1488	cmd.exe	86
PID 1488 wrote to memory of 2272	1488	cmd.exe	86
PID 2272 wrote to memory of 2564	2272	winlogon.exe	87
PID 2272 wrote to memory of 2564	2272	winlogon.exe	87
PID 2272 wrote to memory of 2564	2272	winlogon.exe	87
PID 2272 wrote to memory of 1032	2272	winlogon.exe	88
PID 2272 wrote to memory of 1032	2272	winlogon.exe	88
PID 2272 wrote to memory of 1032	2272	winlogon.exe	88

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	portproviderperf.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
1⤵
- DcRat
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\SurrogatewinDrivernetsvc\9rsmIhgf8G4Xg1bW2pGG9aLh5aorUj.vbe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\SurrogatewinDrivernetsvc\4gsZkmVwcZ.bat" "
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2636
  - - C:\SurrogatewinDrivernetsvc\portproviderperf.exe
      "C:\SurrogatewinDrivernetsvc\portproviderperf.exe"
      4⤵
      Modifies WinLogon for persistence
      UAC bypass
      Executes dropped EXE
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Program Files directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2652
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\flb1ULc8gE.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1488
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:1976
      - C:\Program Files (x86)\Windows Mail\es-ES\winlogon.exe
        
        "C:\Program Files (x86)\Windows Mail\es-ES\winlogon.exe"
        6⤵
        UAC bypass
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        System policy modification
        
        PID:2272
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\bce46df5-c35e-499f-ac1b-4e0f98e356db.vbs"
        7⤵
        
        PID:2564
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\057be657-6552-46f2-a85d-a48b2beda008.vbs"
        7⤵
        
        PID:1032
  - - C:\Windows\SysWOW64\reg.exe
      reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
      4⤵
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:3060

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\SurrogatewinDrivernetsvc\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\SurrogatewinDrivernetsvc\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2540

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\SurrogatewinDrivernetsvc\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\SurrogatewinDrivernetsvc\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:320

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\SurrogatewinDrivernetsvc\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\SurrogatewinDrivernetsvc\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Desktop\lsm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2852

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Users\All Users\Desktop\lsm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2884

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Desktop\lsm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2368

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\services.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2300

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1184

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\SurrogatewinDrivernetsvc\winlogon.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2868

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\SurrogatewinDrivernetsvc\winlogon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1448

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\SurrogatewinDrivernetsvc\winlogon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\SurrogatewinDrivernetsvc\audiodg.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1256

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\SurrogatewinDrivernetsvc\audiodg.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3032

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 14 /tr "'C:\SurrogatewinDrivernetsvc\audiodg.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2916

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2084

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2420

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2336

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\Recovery\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\lsm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Recovery\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\lsm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 11 /tr "'C:\Recovery\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\lsm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:448

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\conhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1812

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\conhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\conhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Recovery\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\lsass.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1720

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\lsass.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Recovery\8cdd6da2-3d81-11ef-9400-f2a3cf4ad94f\lsass.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1836

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1864

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Application Data\taskhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:892

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Users\Admin\Application Data\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1572

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Application Data\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1372

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Application Data\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:900

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Admin\Application Data\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Application Data\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:644

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Mail\es-ES\winlogon.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\es-ES\winlogon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Mail\es-ES\winlogon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:904

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "portproviderperfp" /sc MINUTE /mo 6 /tr "'C:\Program Files\Java\jdk1.7.0_80\db\portproviderperf.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "portproviderperf" /sc ONLOGON /tr "'C:\Program Files\Java\jdk1.7.0_80\db\portproviderperf.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "portproviderperfp" /sc MINUTE /mo 8 /tr "'C:\Program Files\Java\jdk1.7.0_80\db\portproviderperf.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1612

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:928

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

4gsZkmVwcZ.bat

Path C:\SurrogatewinDrivernetsvc\4gsZkmVwcZ.bat
Size 162B
SHA256 db58b3dde8508ecbe59d938545246355b52d9cdec29f76657b66638c4d7aeeb2
MD5 e01ef91219b266b14d1ae415d30256d5
SHA1 cad006a2efee48fcad1166e7ce3bc118ff139808
SHA512 7826ca4bda02431bff87c7c72bd1ea53bc769b8574302a37445318360326e5a89e309c35dbc8f9981ec35c5067b4a459195b78d0289f5d93f6ec54be4c3f1e7b
MD5 SHA1 SHA512

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9rsmIhgf8G4Xg1bW2pGG9aLh5aorUj.vbe

Path C:\SurrogatewinDrivernetsvc\9rsmIhgf8G4Xg1bW2pGG9aLh5aorUj.vbe
Size 211B
SHA256 3ad72d2f6ca8d200c30827452eaabc51524d7d6209508e3ab76d79f40162f0c6
MD5 8397063d734827d10fd07429a90218f8
SHA1 b47f2b88b4565b26d3602ba694827ecc191dda46
SHA512 6d79644876a910c6eb1efb9dbda8e0b0a3a05c932ad9a4b7d490e312d1b73b4f8042b08fb0be7d3f1ca4a32e5166d429628d0a254841902ce036a67872ea44b8
MD5 SHA1 SHA512

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057be657-6552-46f2-a85d-a48b2beda008.vbs

Path C:\Users\Admin\AppData\Local\Temp\057be657-6552-46f2-a85d-a48b2beda008.vbs
Size 506B
SHA256 de7a063fcc87484fd48c90963f3190c752a45b89de82bd70cc047d4198b47fc0
MD5 4cba414d9cc6ec176cc0e3aa746bfa64
SHA1 49a5e9fcce9873c6c651e60c7afd30f4dbd86067
SHA512 4671e20856d2eca8e54b0f99dd896203e38d63427c7823366bbcfae667a82d4c3cd93fbb3c0c56f09e6dcdd61a196bc2e49a9e996fd0ae9815ba6bf8835419a7
MD5 SHA1 SHA512

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bce46df5-c35e-499f-ac1b-4e0f98e356db.vbs

Path C:\Users\Admin\AppData\Local\Temp\bce46df5-c35e-499f-ac1b-4e0f98e356db.vbs
Size 730B
SHA256 48ed3efc26cc9373ae489a43679582311a6cbbee32fcb87a6df62bc596e81654
MD5 c36ca22f3d21e401542635c27a50e937
SHA1 a83265f7028a29e9e36d1f920564579e145992bd
SHA512 1e27c3f53ad625396ba7622b83848f997752b1240a44b9ac41f8bab90961e30736b96c49f56edf24d6aae53e50afcafb66ae62500dbb83afdc17b0a6a2bd38ec
MD5 SHA1 SHA512

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flb1ULc8gE.bat

Path C:\Users\Admin\AppData\Local\Temp\flb1ULc8gE.bat
Size 219B
SHA256 048b44be903611778793f98fcb30d1a5133be7f1ebbc024642577db65a0dbcee
MD5 6eb6f3fea22f13e1423cbbf4f1deca87
SHA1 aad8e2fb01220706069b3981d0c9aa245857e1f0
SHA512 2c7b8d31ab9f9c6fa08dde87e3e523dde7ae28e2628b36ec3310514af63531c1d4e3c6791303f75a635f96ea05c12e4b72950bef5ff80d35e8d159a06215525a
MD5 SHA1 SHA512

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portproviderperf.exe

Path \SurrogatewinDrivernetsvc\portproviderperf.exe
Size 2.7MB
SHA256 4acd48e10189ee74ba1959a61a02886768520a97c5c25238b6ac843d122ebc03
MD5 a16540a730f2e6526545d9819e147e67
SHA1 881c17c74fbf312a031610fe8dfe3c4709e70635
SHA512 addca63aeadb3f96279abfde610f6656c52d73cef4e1c285af36e2b52a39f6c9084304ff9ef150257fe2e2593ad2046b69e0feb517f87cd185c4b27214645b02
SSDEEP 49152:zFb062ieTHD5br1BMPhfekJS+8N/bkLmKK+GOF1hvBP2VzhPJ:GX1bZ2PMLLjB+G4hvp21F
MD5 SHA1 SHA512 SSDEEP

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memory/2272-69-0x0000000000580000-0x0000000000592000-memory.dmp

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memory/2272-68-0x0000000000200000-0x00000000004B2000-memory.dmp

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memory/2652-22-0x00000000023D0000-0x00000000023DC000-memory.dmp

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memory/2652-27-0x000000001A900000-0x000000001A90E000-memory.dmp

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memory/2652-20-0x0000000002260000-0x00000000022B6000-memory.dmp

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memory/2652-21-0x00000000021D0000-0x00000000021E2000-memory.dmp

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memory/2652-18-0x00000000021B0000-0x00000000021BC000-memory.dmp

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memory/2652-23-0x00000000023E0000-0x00000000023EC000-memory.dmp

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memory/2652-24-0x00000000023F0000-0x00000000023FC000-memory.dmp

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memory/2652-25-0x000000001A910000-0x000000001A918000-memory.dmp

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memory/2652-26-0x000000001A8F0000-0x000000001A8FA000-memory.dmp

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memory/2652-19-0x00000000021C0000-0x00000000021CA000-memory.dmp

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memory/2652-28-0x000000001AA20000-0x000000001AA28000-memory.dmp

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memory/2652-29-0x000000001AEE0000-0x000000001AEEA000-memory.dmp

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memory/2652-30-0x000000001AEF0000-0x000000001AEFC000-memory.dmp

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memory/2652-17-0x00000000005B0000-0x00000000005B8000-memory.dmp

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memory/2652-16-0x0000000002190000-0x00000000021A6000-memory.dmp

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memory/2652-15-0x00000000005A0000-0x00000000005A8000-memory.dmp

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memory/2652-14-0x0000000000580000-0x000000000059C000-memory.dmp

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memory/2652-13-0x0000000000010000-0x00000000002C2000-memory.dmp

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