darkcomet | 7fb8ec6642b79d7208b3dca64d46c74ce7d0e11adc33522f957a31c6398fe387

Processes:

103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

msdcsc.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

msdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

3036 attrib.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

3068 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe

pid process

2420 103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
2420 103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe

pid	process
3036	attrib.exe

pid	process
3068	msdcsc.exe

pid	process
2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

msdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2508 2716 WerFault.exe notepad.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

3068 msdcsc.exe

pid	pid_target	process	target process
2508	2716	WerFault.exe	notepad.exe

pid	process
3068	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeSecurityPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeBackupPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeRestorePrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeShutdownPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeDebugPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeUndockPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: 33	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: 34	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: 35	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3068	msdcsc.exe
Token: SeSecurityPrivilege	3068	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3068	msdcsc.exe
Token: SeLoadDriverPrivilege	3068	msdcsc.exe
Token: SeSystemProfilePrivilege	3068	msdcsc.exe
Token: SeSystemtimePrivilege	3068	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3068	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3068	msdcsc.exe
Token: SeCreatePagefilePrivilege	3068	msdcsc.exe
Token: SeBackupPrivilege	3068	msdcsc.exe
Token: SeRestorePrivilege	3068	msdcsc.exe
Token: SeShutdownPrivilege	3068	msdcsc.exe
Token: SeDebugPrivilege	3068	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3068	msdcsc.exe
Token: SeChangeNotifyPrivilege	3068	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3068	msdcsc.exe
Token: SeUndockPrivilege	3068	msdcsc.exe
Token: SeManageVolumePrivilege	3068	msdcsc.exe
Token: SeImpersonatePrivilege	3068	msdcsc.exe
Token: SeCreateGlobalPrivilege	3068	msdcsc.exe
Token: 33	3068	msdcsc.exe
Token: 34	3068	msdcsc.exe
Token: 35	3068	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

3068 msdcsc.exe

pid	process
3068	msdcsc.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.execmd.exemsdcsc.exenotepad.exe

description	pid	process	target process
PID 2420 wrote to memory of 2096	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 2096	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 2096	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 2096	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	cmd.exe
PID 2096 wrote to memory of 3036	2096	cmd.exe	attrib.exe
PID 2096 wrote to memory of 3036	2096	cmd.exe	attrib.exe
PID 2096 wrote to memory of 3036	2096	cmd.exe	attrib.exe
PID 2096 wrote to memory of 3036	2096	cmd.exe	attrib.exe
PID 2420 wrote to memory of 3068	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	msdcsc.exe
PID 2420 wrote to memory of 3068	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	msdcsc.exe
PID 2420 wrote to memory of 3068	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	msdcsc.exe
PID 2420 wrote to memory of 3068	2420	103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe	msdcsc.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 3068 wrote to memory of 2716	3068	msdcsc.exe	notepad.exe
PID 2716 wrote to memory of 2508	2716	notepad.exe	WerFault.exe
PID 2716 wrote to memory of 2508	2716	notepad.exe	WerFault.exe
PID 2716 wrote to memory of 2508	2716	notepad.exe	WerFault.exe
PID 2716 wrote to memory of 2508	2716	notepad.exe	WerFault.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

3036 attrib.exe

pid	process
3036	attrib.exe

C:\Users\Admin\AppData\Local\Temp\103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\103c523f834ee4a65b9e4caab49ea763_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3036

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
2⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
- Suspicious use of WriteProcessMemory
PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 264
4⤵
- Program crash
PID:2508

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

5

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

System Information Discovery