dcrat | 2c359780ff1c635fd866c9f81e53ea9a95c0af2c9b303aec259675882dd13253

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2025, 16:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

51ee1c43b8c4c83a1ee89f486a002e8a.exe
Size

1.9MB
MD5

51ee1c43b8c4c83a1ee89f486a002e8a
SHA1

ac3559b85e9f8328fc661c4f7dc17d464aa461fa
SHA256

2c359780ff1c635fd866c9f81e53ea9a95c0af2c9b303aec259675882dd13253
SHA512

3191012d5078beb815ff733c3981545858a30e5051ffbbb7b4bb1dff5bab82004809a0d407af0d8312b241c05738591d7a83ce2e01e0c9b2e8f9d325ca9649d6
SSDEEP

49152:SIsY+oZb+wZGTt6IDmYYg+tfxXi1Mq39V:SIg6IDatJXbM9V

Score

10^/10

dcrat discovery execution infostealer persistence rat spyware stealer

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

Modifies WinLogon for persistence 2 TTPs 6 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\\All Users\\Documents\\csrss.exe\", \"C:\\Windows\\PolicyDefinitions\\fr-FR\\csrss.exe\", \"C:\\Program Files (x86)\\Windows NT\\StartMenuExperienceHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\SearchApp.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\csrss.exe\", \"C:\\Windows\\PolicyDefinitions\\fr-FR\\csrss.exe\", \"C:\\Program Files (x86)\\Windows NT\\StartMenuExperienceHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\SearchApp.exe\", \"C:\\Windows\\AppReadiness\\dwm.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\csrss.exe\", \"C:\\Windows\\PolicyDefinitions\\fr-FR\\csrss.exe\", \"C:\\Program Files (x86)\\Windows NT\\StartMenuExperienceHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\SearchApp.exe\", \"C:\\Windows\\AppReadiness\\dwm.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\51ee1c43b8c4c83a1ee89f486a002e8a.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\csrss.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\csrss.exe\", \"C:\\Windows\\PolicyDefinitions\\fr-FR\\csrss.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\csrss.exe\", \"C:\\Windows\\PolicyDefinitions\\fr-FR\\csrss.exe\", \"C:\\Program Files (x86)\\Windows NT\\StartMenuExperienceHost.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe

Process spawned unexpected child process 18 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	2012	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3328	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3228	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2444	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3184	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4368	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4028	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3972	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2400	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2652	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4668	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2020	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3212	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3896	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3428	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2104	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4512	1936	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1244	1936	schtasks.exe	83

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3720	powershell.exe
4444	powershell.exe
1052	powershell.exe
4692	powershell.exe
2748	powershell.exe
4740	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	51ee1c43b8c4c83a1ee89f486a002e8a.exe

Executes dropped EXE 1 IoCs

pid	Process
2204	csrss.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 12 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\csrss = "\"C:\\Users\\All Users\\Documents\\csrss.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\PolicyDefinitions\\fr-FR\\csrss.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Program Files (x86)\\Windows NT\\StartMenuExperienceHost.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Program Files\\Windows Portable Devices\\SearchApp.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Windows\\AppReadiness\\dwm.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Windows\\AppReadiness\\dwm.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\All Users\\Documents\\csrss.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\PolicyDefinitions\\fr-FR\\csrss.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Program Files (x86)\\Windows NT\\StartMenuExperienceHost.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Program Files\\Windows Portable Devices\\SearchApp.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\51ee1c43b8c4c83a1ee89f486a002e8a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\51ee1c43b8c4c83a1ee89f486a002e8a.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\51ee1c43b8c4c83a1ee89f486a002e8a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\51ee1c43b8c4c83a1ee89f486a002e8a.exe\""	51ee1c43b8c4c83a1ee89f486a002e8a.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
43	ipinfo.io
44	ipinfo.io
14	ipinfo.io
15	ipinfo.io

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSC3B59D0D6A8274109B8D3621FC0184C5C.TMP	csc.exe
File created	\??\c:\Windows\System32\-63gkj.exe	csc.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows NT\55b276f4edf653	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File created	C:\Program Files\ModifiableWindowsApps\RuntimeBroker.exe	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File created	C:\Program Files\Windows Portable Devices\SearchApp.exe	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File created	C:\Program Files\Windows Portable Devices\38384e6a620884	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File created	C:\Program Files (x86)\Windows NT\StartMenuExperienceHost.exe	51ee1c43b8c4c83a1ee89f486a002e8a.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\PolicyDefinitions\fr-FR\csrss.exe	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File created	C:\Windows\PolicyDefinitions\fr-FR\886983d96e3d3e	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File created	C:\Windows\AppReadiness\dwm.exe	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File opened for modification	C:\Windows\AppReadiness\dwm.exe	51ee1c43b8c4c83a1ee89f486a002e8a.exe
File created	C:\Windows\AppReadiness\6cb0b6c459d5d3	51ee1c43b8c4c83a1ee89f486a002e8a.exe

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2564	PING.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\Local Settings	51ee1c43b8c4c83a1ee89f486a002e8a.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2564	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2012	schtasks.exe
2400	schtasks.exe
3212	schtasks.exe
3328	schtasks.exe
2444	schtasks.exe
4368	schtasks.exe
2652	schtasks.exe
2020	schtasks.exe
3896	schtasks.exe
3228	schtasks.exe
4028	schtasks.exe
4668	schtasks.exe
2104	schtasks.exe
3184	schtasks.exe
3972	schtasks.exe
3428	schtasks.exe
4512	schtasks.exe
1244	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe
Token: SeDebugPrivilege	3720	powershell.exe
Token: SeDebugPrivilege	4692	powershell.exe
Token: SeDebugPrivilege	1052	powershell.exe
Token: SeDebugPrivilege	4740	powershell.exe
Token: SeDebugPrivilege	4444	powershell.exe
Token: SeDebugPrivilege	2748	powershell.exe
Token: SeDebugPrivilege	2204	csrss.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 2512	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	87
PID 4080 wrote to memory of 2512	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	87
PID 2512 wrote to memory of 2928	2512	csc.exe	89
PID 2512 wrote to memory of 2928	2512	csc.exe	89
PID 4080 wrote to memory of 3720	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	105
PID 4080 wrote to memory of 3720	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	105
PID 4080 wrote to memory of 4740	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	106
PID 4080 wrote to memory of 4740	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	106
PID 4080 wrote to memory of 2748	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	107
PID 4080 wrote to memory of 2748	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	107
PID 4080 wrote to memory of 4692	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	108
PID 4080 wrote to memory of 4692	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	108
PID 4080 wrote to memory of 1052	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	109
PID 4080 wrote to memory of 1052	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	109
PID 4080 wrote to memory of 4444	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	110
PID 4080 wrote to memory of 4444	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	110
PID 4080 wrote to memory of 5008	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	117
PID 4080 wrote to memory of 5008	4080	51ee1c43b8c4c83a1ee89f486a002e8a.exe	117
PID 5008 wrote to memory of 4492	5008	cmd.exe	119
PID 5008 wrote to memory of 4492	5008	cmd.exe	119
PID 5008 wrote to memory of 2564	5008	cmd.exe	120
PID 5008 wrote to memory of 2564	5008	cmd.exe	120
PID 5008 wrote to memory of 2204	5008	cmd.exe	133
PID 5008 wrote to memory of 2204	5008	cmd.exe	133

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\51ee1c43b8c4c83a1ee89f486a002e8a.exe
"C:\Users\Admin\AppData\Local\Temp\51ee1c43b8c4c83a1ee89f486a002e8a.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\lsisvfhs\lsisvfhs.cmdline"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB0A3.tmp" "c:\Windows\System32\CSC3B59D0D6A8274109B8D3621FC0184C5C.TMP"
    3⤵
    PID:2928
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\Documents\csrss.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:3720
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\PolicyDefinitions\fr-FR\csrss.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:4740
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Windows NT\StartMenuExperienceHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Windows Portable Devices\SearchApp.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:4692
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\AppReadiness\dwm.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1052
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\51ee1c43b8c4c83a1ee89f486a002e8a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:4444
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\O5XlsI6eTZ.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5008
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4492
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2564
- - C:\Windows\PolicyDefinitions\fr-FR\csrss.exe
    "C:\Windows\PolicyDefinitions\fr-FR\csrss.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Documents\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\All Users\Documents\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Documents\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3228

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Windows\PolicyDefinitions\fr-FR\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\PolicyDefinitions\fr-FR\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3184

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Windows\PolicyDefinitions\fr-FR\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4368

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows NT\StartMenuExperienceHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3972

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows NT\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Portable Devices\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2652

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4512

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Portable Devices\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3428

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Windows\AppReadiness\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4668

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\AppReadiness\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3896

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\Windows\AppReadiness\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2020

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "51ee1c43b8c4c83a1ee89f486a002e8a5" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\AppData\Local\Temp\51ee1c43b8c4c83a1ee89f486a002e8a.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3212

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "51ee1c43b8c4c83a1ee89f486a002e8a" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\51ee1c43b8c4c83a1ee89f486a002e8a.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2104

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "51ee1c43b8c4c83a1ee89f486a002e8a5" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\AppData\Local\Temp\51ee1c43b8c4c83a1ee89f486a002e8a.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
a43e653ffb5ab07940f4bdd9cc8fade4

SHA1
af43d04e3427f111b22dc891c5c7ee8a10ac4123

SHA256
c4c53abb13e99475aebfbe9fec7a8fead81c14c80d9dcc2b81375304f3a683fe

SHA512
62a97e95e1f19a8d4302847110dae44f469877eed6aa8ea22345c6eb25ee220e7d310fa0b7ec5df42356815421c0af7c46a0f1fee8933cc446641800eda6cd1b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\O5XlsI6eTZ.bat

Filesize
172B

MD5
407ae48c57cf1c27e4d3f73f521fb1f4

SHA1
bf207fae4c2d79954e989d7ab55dc857d2d8cc0c

SHA256
cd261ae4f78d69547b158cd6cdb9624bff05515984cd5237a92a46dc5552453c

SHA512
a3ca9855ba6ad1e27b4b50ca5a4c4d10ad4c299529c4d807e3725176355ed8cf5e45ab2aa352b7d4e3b66469d202139e317fad0a0c200206b5932c6f35e7823c

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESB0A3.tmp

Filesize
1KB

MD5
e4c534689fc5c2e5da402fd74572f543

SHA1
e321c4fb1f5f20d10870d6b0f45a84f44328b331

SHA256
326ef6fc4138b6a3f0beb7751a751703bae0429f756e8ad574cc3debb4b9b618

SHA512
7fbfc0204d6c67e6e7e2ff75b623bbdb10f8b4d3cd68403c8ef81188e20dc1dc19893cee7a425840d2ff0ce803f1ea174b255c3525f57004a2d52ce29853bc20

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kocn4edt.jtl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Documents\csrss.exe

Filesize
1.9MB

MD5
51ee1c43b8c4c83a1ee89f486a002e8a

SHA1
ac3559b85e9f8328fc661c4f7dc17d464aa461fa

SHA256
2c359780ff1c635fd866c9f81e53ea9a95c0af2c9b303aec259675882dd13253

SHA512
3191012d5078beb815ff733c3981545858a30e5051ffbbb7b4bb1dff5bab82004809a0d407af0d8312b241c05738591d7a83ce2e01e0c9b2e8f9d325ca9649d6

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\lsisvfhs\lsisvfhs.0.cs

Filesize
370B

MD5
81b29194984605fa3f9e0950a9782e9f

SHA1
454d9da1a7adbbad92b875c2b674534b2d8ba5ae

SHA256
226e86428f0663cf0fc91a5548807240da7ecbf07e8a17eb90f7b8906aa73403

SHA512
4b0175af9a0a9f88450120f914a42ec47a940da636a6daaf8638a3088b81c9f827b7a05c87359548fa2e5f011e4ca1fb871b25193a9dc100d958c886fdea29ff

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\lsisvfhs\lsisvfhs.cmdline

Filesize
235B

MD5
aedc91acdae3c24e15d404e04fc6c7a9

SHA1
5df9488ba2b273f48681b65e6b4d74230e5a7dcf

SHA256
9ed51b26412c4f07fc3ad14ced4c70a8b8369fa19a8f1b7d183009e31941c5a2

SHA512
70cb2b15b9c91de903feff501661aa46dccbef4dffcab8d91ffce2cebf9c41602bf0a2f4a8dc31bf343dc876a1f23b384aa101b0a68efb7c71f9cb6da30ff293

Download Submit
\??\c:\Windows\System32\CSC3B59D0D6A8274109B8D3621FC0184C5C.TMP

Filesize
1KB

MD5
82a7b8ef3bc275711e3b27c6df93c7ff

SHA1
bdac909f26475c94c74145576bcf22adb0f8203c

SHA256
582921e5e6617cb736006c46c9c8576d8fdefb8763469bdbf305d52d298f6124

SHA512
f2100bca60280f6ad93f40254d6fe69bd9917a44973516874aa54c28042796503daac5c51869924f5ecd17615f461dda6441f479e1201c44ad07f5a7728af248

Download Submit
memory/2204-138-0x000000001DEC0000-0x000000001DF8D000-memory.dmp

Filesize
820KB

Download
memory/4080-37-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-49-0x000000001C980000-0x000000001CA82000-memory.dmp

Filesize
1.0MB

Download
memory/4080-18-0x000000001BB10000-0x000000001BB1C000-memory.dmp

Filesize
48KB

Download
memory/4080-31-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-32-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-36-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-0-0x00007FFD651D3000-0x00007FFD651D5000-memory.dmp

Filesize
8KB

Download
memory/4080-16-0x00000000031E0000-0x00000000031E8000-memory.dmp

Filesize
32KB

Download
memory/4080-14-0x00000000031D0000-0x00000000031DE000-memory.dmp

Filesize
56KB

Download
memory/4080-12-0x0000000003210000-0x0000000003228000-memory.dmp

Filesize
96KB

Download
memory/4080-10-0x000000001BB60000-0x000000001BBB0000-memory.dmp

Filesize
320KB

Download
memory/4080-47-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-48-0x000000001C2B0000-0x000000001C37D000-memory.dmp

Filesize
820KB

Download
memory/4080-22-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-50-0x00007FFD651D3000-0x00007FFD651D5000-memory.dmp

Filesize
8KB

Download
memory/4080-51-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-1-0x0000000000DC0000-0x0000000000FA8000-memory.dmp

Filesize
1.9MB

Download
memory/4080-9-0x00000000031F0000-0x000000000320C000-memory.dmp

Filesize
112KB

Download
memory/4080-72-0x000000001C2B0000-0x000000001C37D000-memory.dmp

Filesize
820KB

Download
memory/4080-74-0x000000001C980000-0x000000001CA82000-memory.dmp

Filesize
1.0MB

Download
memory/4080-78-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-7-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-6-0x00000000031C0000-0x00000000031CE000-memory.dmp

Filesize
56KB

Download
memory/4080-4-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-3-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4080-2-0x00007FFD651D0000-0x00007FFD65C91000-memory.dmp

Filesize
10.8MB

Download
memory/4692-61-0x0000014252FF0000-0x0000014253012000-memory.dmp

Filesize
136KB

Download