dcrat | ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 13:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Size

827KB
MD5

024abbb7e999cf09b8aee01979296d38
SHA1

f883c399426d39fa169078cd92ea3bf360bd0e6b
SHA256

ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12
SHA512

fd6cadc5814b1cd9617600f645ed304445960eb810ffd7c3e919c22bf7f80e1411354ef9a0a5183ef35aaf8e18b6e2c08a0a02e26428b78f12723b4e22a5b389
SSDEEP

12288:Qr5J4kXbiCU0qbEPGGoWfbDNz4ZH1z3gROZ84k4zizkx:3kXbiDEPGGoWbDNDEZ8342zO

Score

10^/10

dcrat infostealer persistence rat

Malware Config

Signatures

DcRat 51 IoCs

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

rat infostealer dcrat

pid	Process
2748	schtasks.exe
2392	schtasks.exe
2924	schtasks.exe
1048	schtasks.exe
2832	schtasks.exe
2072	schtasks.exe
2512	schtasks.exe
2372	schtasks.exe
2896	schtasks.exe
2588	schtasks.exe
1788	schtasks.exe
1072	schtasks.exe
2184	schtasks.exe
628	schtasks.exe
808	schtasks.exe
1764	schtasks.exe
2376	schtasks.exe
2080	schtasks.exe
1632	schtasks.exe
2012	schtasks.exe
348	schtasks.exe
1816	schtasks.exe
1860	schtasks.exe
1848	schtasks.exe
2552	schtasks.exe
2312	schtasks.exe
1544	schtasks.exe
1576	schtasks.exe
1596	schtasks.exe
876	schtasks.exe
2540	schtasks.exe
2976	schtasks.exe
2060	schtasks.exe
1220	schtasks.exe
2188	schtasks.exe
2132	schtasks.exe
2204	schtasks.exe
1044	schtasks.exe
1808	schtasks.exe
1736	schtasks.exe
2776	schtasks.exe
2908	schtasks.exe
2604	schtasks.exe
1396	schtasks.exe
948	schtasks.exe
1776	schtasks.exe
2868	schtasks.exe
2260	schtasks.exe
540	schtasks.exe
952	schtasks.exe
2024	schtasks.exe

Dcrat family
dcrat

Modifies WinLogon for persistence 2 TTPs 17 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:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\wininit.exe\", \"C:\\Program Files (x86)\\Google\\CrashReports\\WmiPrvSE.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\winlogon.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\wininit.exe\", \"C:\\Program Files (x86)\\Google\\CrashReports\\WmiPrvSE.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\winlogon.exe\", \"C:\\Windows\\fr-FR\\schtasks.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\wininit.exe\", \"C:\\Program Files (x86)\\Google\\CrashReports\\WmiPrvSE.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\winlogon.exe\", \"C:\\Windows\\fr-FR\\schtasks.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\schtasks.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\wininit.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\", \"C:\\Users\\Default User\\Idle.exe\", \"C:\\Users\\Default User\\System.exe\", \"C:\\Users\\Default\\Music\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\", \"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\", \"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\", \"C:\\Program Files\\Uninstall Information\\smss.exe\", \"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\wininit.exe\", \"C:\\Program Files (x86)\\Google\\CrashReports\\WmiPrvSE.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe

Process spawned unexpected child process 51 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	2376	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2080	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2776	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2908	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2372	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2896	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2748	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2868	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1632	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2604	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2552	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2588	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2976	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2260	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	540	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2312	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2012	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1544	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1788	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2060	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1220	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1072	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1576	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	348	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	628	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2832	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2188	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2204	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2072	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2132	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1396	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1596	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	808	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	948	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1044	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	952	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1860	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2392	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2924	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2024	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	876	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1048	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1848	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1764	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2540	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2512	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1808	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1736	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2184	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1816	3020	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1776	3020	schtasks.exe	31

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/2488-1-0x0000000000220000-0x00000000002F6000-memory.dmp	dcrat
behavioral1/files/0x0005000000019389-11.dat	dcrat
behavioral1/memory/1592-45-0x0000000000F10000-0x0000000000FE6000-memory.dmp	dcrat

Executes dropped EXE 1 IoCs

pid	Process
1592	schtasks.exe

Adds Run key to start application 2 TTPs 34 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Users\\Default User\\Idle.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Users\\Default User\\System.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\taskhost.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Users\\Default\\Music\\OSPPSVC.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\winlogon.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\schtasks = "\"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\schtasks.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Google\\Chrome\\Application\\csrss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\wininit.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files\\Microsoft Office\\Office14\\dwm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\wininit.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Users\\Default User\\Idle.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files\\Windows Mail\\ja-JP\\dwm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files\\Uninstall Information\\smss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Google\\CrashReports\\WmiPrvSE.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\winlogon.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Users\\Default User\\System.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Program Files\\Windows Journal\\Templates\\lsm.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\wininit.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Google\\CrashReports\\WmiPrvSE.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\schtasks = "\"C:\\Windows\\fr-FR\\schtasks.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Public\\Recorded TV\\Sample Media\\dllhost.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files\\Uninstall Information\\smss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Users\\Default\\Music\\OSPPSVC.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\schtasks = "\"C:\\Windows\\fr-FR\\schtasks.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\schtasks = "\"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\schtasks.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Recovery\\1f276ee2-69f6-11ef-8b31-62cb582c238c\\smss.exe\""	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\csrss.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Google\Chrome\Application\886983d96e3d3e	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File opened for modification	C:\Program Files\Windows Journal\Templates\lsm.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Windows Journal\Templates\101b941d020240	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Uninstall Information\69ddcba757bf72	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Microsoft Office\Office14\6cb0b6c459d5d3	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files (x86)\Google\CrashReports\24dbde2999530e	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Windows Mail\ja-JP\dwm.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Windows Mail\ja-JP\6cb0b6c459d5d3	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Windows Journal\Templates\lsm.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Uninstall Information\smss.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files\Microsoft Office\Office14\dwm.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Program Files (x86)\Google\CrashReports\WmiPrvSE.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\fr-FR\schtasks.exe	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
File created	C:\Windows\fr-FR\3a6fe29a7ceee6	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 51 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2976	schtasks.exe
1576	schtasks.exe
2832	schtasks.exe
1736	schtasks.exe
2060	schtasks.exe
1220	schtasks.exe
1396	schtasks.exe
1860	schtasks.exe
2372	schtasks.exe
1632	schtasks.exe
2312	schtasks.exe
2012	schtasks.exe
1764	schtasks.exe
2604	schtasks.exe
1848	schtasks.exe
2748	schtasks.exe
2392	schtasks.exe
2924	schtasks.exe
2024	schtasks.exe
2072	schtasks.exe
2132	schtasks.exe
808	schtasks.exe
1816	schtasks.exe
2376	schtasks.exe
2868	schtasks.exe
540	schtasks.exe
2188	schtasks.exe
876	schtasks.exe
2540	schtasks.exe
1776	schtasks.exe
2896	schtasks.exe
2552	schtasks.exe
1788	schtasks.exe
1044	schtasks.exe
1596	schtasks.exe
952	schtasks.exe
1048	schtasks.exe
2512	schtasks.exe
2776	schtasks.exe
2588	schtasks.exe
1544	schtasks.exe
1072	schtasks.exe
1808	schtasks.exe
2184	schtasks.exe
628	schtasks.exe
2204	schtasks.exe
948	schtasks.exe
2080	schtasks.exe
2908	schtasks.exe
2260	schtasks.exe
348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2488	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
1592	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Token: SeDebugPrivilege	1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
Token: SeDebugPrivilege	1592	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1568	2488	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe	56
PID 2488 wrote to memory of 1568	2488	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe	56
PID 2488 wrote to memory of 1568	2488	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe	56
PID 1568 wrote to memory of 1804	1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe	84
PID 1568 wrote to memory of 1804	1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe	84
PID 1568 wrote to memory of 1804	1568	ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe	84
PID 1804 wrote to memory of 868	1804	cmd.exe	86
PID 1804 wrote to memory of 868	1804	cmd.exe	86
PID 1804 wrote to memory of 868	1804	cmd.exe	86
PID 1804 wrote to memory of 1592	1804	cmd.exe	87
PID 1804 wrote to memory of 1592	1804	cmd.exe	87
PID 1804 wrote to memory of 1592	1804	cmd.exe	87

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

C:\Users\Admin\AppData\Local\Temp\ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
"C:\Users\Admin\AppData\Local\Temp\ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe
  "C:\Users\Admin\AppData\Local\Temp\ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\UGkHiw5fWO.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Windows\system32\w32tm.exe
      w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
      4⤵
      PID:868
  - - C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\schtasks.exe
      "C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\schtasks.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Recorded TV\Sample Media\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Public\Recorded TV\Sample Media\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Recorded TV\Sample Media\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files\Google\Chrome\Application\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2908

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\Application\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2372

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Google\Chrome\Application\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2896

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\Idle.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Default User\Idle.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2868

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\Idle.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1632

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\System.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2604

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Users\Default User\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2552

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2588

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Music\OSPPSVC.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Users\Default\Music\OSPPSVC.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2260

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Music\OSPPSVC.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:540

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\taskhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1544

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\wininit.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1788

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2060

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1220

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Mail\ja-JP\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1072

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\ja-JP\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1576

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Mail\ja-JP\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:348

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Journal\Templates\lsm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:628

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\Windows Journal\Templates\lsm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2832

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Journal\Templates\lsm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2188

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Program Files\Uninstall Information\smss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2072

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Program Files\Uninstall Information\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2132

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\smss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Office\Office14\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:948

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office14\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1044

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Program Files\Microsoft Office\Office14\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\wininit.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1860

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2392

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2924

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Google\CrashReports\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2024

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\CrashReports\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:876

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Google\CrashReports\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\winlogon.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1848

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\winlogon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1764

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\winlogon.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 "schtaskss" /sc MINUTE /mo 7 /tr "'C:\Windows\fr-FR\schtasks.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2512

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtasks" /sc ONLOGON /tr "'C:\Windows\fr-FR\schtasks.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 12 /tr "'C:\Windows\fr-FR\schtasks.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1736

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 7 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\schtasks.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2184

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtasks" /sc ONLOGON /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\schtasks.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1816

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 7 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\schtasks.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1776

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

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab2F2D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2F6F.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\UGkHiw5fWO.bat

Filesize
226B

MD5
a39f90531643f81fcbbff730790b80d1

SHA1
b017c87b82c6aa7116bacbc6d56fa67210f6cb39

SHA256
7231a4bf96c2d76226f16525a2560e001fdfd110f8db6b3af5cf710e88a29e41

SHA512
4477e188aef71da8c152daa02dd4b408f836fe4b1549da28361125d5b18838723f3ab6c988251b5e0d68f5d8728f5fb48dc7520f6d38d15f9ee367c9a71b320c

Download Submit
C:\Users\Default\Music\OSPPSVC.exe

Filesize
827KB

MD5
024abbb7e999cf09b8aee01979296d38

SHA1
f883c399426d39fa169078cd92ea3bf360bd0e6b

SHA256
ab9a6a7f554c6eaf3b6285fb12351ee81132180581f39b5c19019870a7162b12

SHA512
fd6cadc5814b1cd9617600f645ed304445960eb810ffd7c3e919c22bf7f80e1411354ef9a0a5183ef35aaf8e18b6e2c08a0a02e26428b78f12723b4e22a5b389

Download Submit
memory/1592-45-0x0000000000F10000-0x0000000000FE6000-memory.dmp

Filesize
856KB

Download
memory/2488-0-0x000007FEF5863000-0x000007FEF5864000-memory.dmp

Filesize
4KB

Download
memory/2488-1-0x0000000000220000-0x00000000002F6000-memory.dmp

Filesize
856KB

Download
memory/2488-2-0x000007FEF5860000-0x000007FEF624C000-memory.dmp

Filesize
9.9MB

Download
memory/2488-19-0x000007FEF5860000-0x000007FEF624C000-memory.dmp

Filesize
9.9MB

Download