darkcomet | 7c6025ff29110c6b7776a839d8f43dd204da199102ef06019cd6d5b8397d5e8b

Processes:

ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Processes:

msdcsc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.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

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

msdcsc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2616 attrib.exe
2780 attrib.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

3004 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe

pid process

1676 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
1676 ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe

pid	process
2616	attrib.exe
2780	attrib.exe

pid	process
3004	msdcsc.exe

pid	process
1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe

UPX packed file 15 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1676-0-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
behavioral1/memory/1676-12-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-13-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-49-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-50-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-52-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-53-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-54-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-56-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-57-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-58-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-59-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-61-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/3004-62-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

3004 msdcsc.exe

pid	process
3004	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeSecurityPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeBackupPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeRestorePrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeShutdownPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeDebugPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeUndockPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: 33	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: 34	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: 35	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3004	msdcsc.exe
Token: SeSecurityPrivilege	3004	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3004	msdcsc.exe
Token: SeLoadDriverPrivilege	3004	msdcsc.exe
Token: SeSystemProfilePrivilege	3004	msdcsc.exe
Token: SeSystemtimePrivilege	3004	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3004	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3004	msdcsc.exe
Token: SeCreatePagefilePrivilege	3004	msdcsc.exe
Token: SeBackupPrivilege	3004	msdcsc.exe
Token: SeRestorePrivilege	3004	msdcsc.exe
Token: SeShutdownPrivilege	3004	msdcsc.exe
Token: SeDebugPrivilege	3004	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3004	msdcsc.exe
Token: SeChangeNotifyPrivilege	3004	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3004	msdcsc.exe
Token: SeUndockPrivilege	3004	msdcsc.exe
Token: SeManageVolumePrivilege	3004	msdcsc.exe
Token: SeImpersonatePrivilege	3004	msdcsc.exe
Token: SeCreateGlobalPrivilege	3004	msdcsc.exe
Token: 33	3004	msdcsc.exe
Token: 34	3004	msdcsc.exe
Token: 35	3004	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

3004 msdcsc.exe

pid	process
3004	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 1676 wrote to memory of 2756	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 2756	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 2756	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 2756	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 2080	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 2080	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 2080	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 2080	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	cmd.exe
PID 1676 wrote to memory of 3004	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	msdcsc.exe
PID 1676 wrote to memory of 3004	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	msdcsc.exe
PID 1676 wrote to memory of 3004	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	msdcsc.exe
PID 1676 wrote to memory of 3004	1676	ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe	msdcsc.exe
PID 2756 wrote to memory of 2616	2756	cmd.exe	attrib.exe
PID 2756 wrote to memory of 2616	2756	cmd.exe	attrib.exe
PID 2756 wrote to memory of 2616	2756	cmd.exe	attrib.exe
PID 2756 wrote to memory of 2616	2756	cmd.exe	attrib.exe
PID 2080 wrote to memory of 2780	2080	cmd.exe	attrib.exe
PID 2080 wrote to memory of 2780	2080	cmd.exe	attrib.exe
PID 2080 wrote to memory of 2780	2080	cmd.exe	attrib.exe
PID 2080 wrote to memory of 2780	2080	cmd.exe	attrib.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe
PID 3004 wrote to memory of 2520	3004	msdcsc.exe	notepad.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

Processes:

msdcsc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2616 attrib.exe
2780 attrib.exe

pid	process
2616	attrib.exe
2780	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_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:1676

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\ed0a4a654cfcd7ecdccd1e986346619a_JaffaCakes118.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2616

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:2080

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2780

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3004

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:2520

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

7

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

System Information Discovery