darkcomet | 4c3273a1f018603e24b1caf53284c226fc8ef5ef0ced232605fe0e22e8f3a27b

Processes:

0387bac0c095a5d24fea2bcabdcd4748_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\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 6 IoCs

evasion

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

Processes:

msdcsc.exeiexplore.exe

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

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

Windows Service

Processes:

msdcsc.exeiexplore.exe

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

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

msdcsc.exeiexplore.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

msdcsc.exeiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iexplore.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

4484 attrib.exe
1808 attrib.exe

pid	process
4484	attrib.exe
1808	attrib.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

Processes:

0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2632 msdcsc.exe

pid	process
2632	msdcsc.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 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

msdcsc.exeiexplore.exe0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

msdcsc.exe

description pid process target process

PID 2632 set thread context of 4668 2632 msdcsc.exe iexplore.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2632 set thread context of 4668	2632	msdcsc.exe	iexplore.exe

Modifies registry class 1 IoCs

Processes:

0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

5096 PING.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4668 iexplore.exe

pid	process
5096	PING.EXE

pid	process
4668	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exemsdcsc.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeSecurityPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeSystemtimePrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeBackupPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeRestorePrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeShutdownPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeDebugPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeUndockPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeManageVolumePrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeImpersonatePrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: 33	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: 34	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: 35	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: 36	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2632	msdcsc.exe
Token: SeSecurityPrivilege	2632	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2632	msdcsc.exe
Token: SeLoadDriverPrivilege	2632	msdcsc.exe
Token: SeSystemProfilePrivilege	2632	msdcsc.exe
Token: SeSystemtimePrivilege	2632	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2632	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2632	msdcsc.exe
Token: SeCreatePagefilePrivilege	2632	msdcsc.exe
Token: SeBackupPrivilege	2632	msdcsc.exe
Token: SeRestorePrivilege	2632	msdcsc.exe
Token: SeShutdownPrivilege	2632	msdcsc.exe
Token: SeDebugPrivilege	2632	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2632	msdcsc.exe
Token: SeChangeNotifyPrivilege	2632	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2632	msdcsc.exe
Token: SeUndockPrivilege	2632	msdcsc.exe
Token: SeManageVolumePrivilege	2632	msdcsc.exe
Token: SeImpersonatePrivilege	2632	msdcsc.exe
Token: SeCreateGlobalPrivilege	2632	msdcsc.exe
Token: 33	2632	msdcsc.exe
Token: 34	2632	msdcsc.exe
Token: 35	2632	msdcsc.exe
Token: 36	2632	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	4668	iexplore.exe
Token: SeSecurityPrivilege	4668	iexplore.exe
Token: SeTakeOwnershipPrivilege	4668	iexplore.exe
Token: SeLoadDriverPrivilege	4668	iexplore.exe
Token: SeSystemProfilePrivilege	4668	iexplore.exe
Token: SeSystemtimePrivilege	4668	iexplore.exe
Token: SeProfSingleProcessPrivilege	4668	iexplore.exe
Token: SeIncBasePriorityPrivilege	4668	iexplore.exe
Token: SeCreatePagefilePrivilege	4668	iexplore.exe
Token: SeBackupPrivilege	4668	iexplore.exe
Token: SeRestorePrivilege	4668	iexplore.exe
Token: SeShutdownPrivilege	4668	iexplore.exe
Token: SeDebugPrivilege	4668	iexplore.exe
Token: SeSystemEnvironmentPrivilege	4668	iexplore.exe
Token: SeChangeNotifyPrivilege	4668	iexplore.exe
Token: SeRemoteShutdownPrivilege	4668	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

iexplore.exe

pid process

4668 iexplore.exe

pid	process
4668	iexplore.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.execmd.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 208 wrote to memory of 228	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 208 wrote to memory of 228	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 208 wrote to memory of 228	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 208 wrote to memory of 212	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 208 wrote to memory of 212	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 208 wrote to memory of 212	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 228 wrote to memory of 1808	228	cmd.exe	attrib.exe
PID 228 wrote to memory of 1808	228	cmd.exe	attrib.exe
PID 228 wrote to memory of 1808	228	cmd.exe	attrib.exe
PID 212 wrote to memory of 4484	212	cmd.exe	attrib.exe
PID 212 wrote to memory of 4484	212	cmd.exe	attrib.exe
PID 212 wrote to memory of 4484	212	cmd.exe	attrib.exe
PID 208 wrote to memory of 2976	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 208 wrote to memory of 2976	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 208 wrote to memory of 2976	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	cmd.exe
PID 2976 wrote to memory of 5096	2976	cmd.exe	PING.EXE
PID 2976 wrote to memory of 5096	2976	cmd.exe	PING.EXE
PID 2976 wrote to memory of 5096	2976	cmd.exe	PING.EXE
PID 208 wrote to memory of 2632	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	msdcsc.exe
PID 208 wrote to memory of 2632	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	msdcsc.exe
PID 208 wrote to memory of 2632	208	0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe	msdcsc.exe
PID 2632 wrote to memory of 4668	2632	msdcsc.exe	iexplore.exe
PID 2632 wrote to memory of 4668	2632	msdcsc.exe	iexplore.exe
PID 2632 wrote to memory of 4668	2632	msdcsc.exe	iexplore.exe
PID 2632 wrote to memory of 4668	2632	msdcsc.exe	iexplore.exe
PID 2632 wrote to memory of 4668	2632	msdcsc.exe	iexplore.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

4484 attrib.exe
1808 attrib.exe

pid	process
4484	attrib.exe
1808	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:228

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1808

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:212

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4484

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\0387bac0c095a5d24fea2bcabdcd4748_JaffaCakes118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2976

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 4
3⤵
- Runs ping.exe
PID:5096

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\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
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2632

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4668

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

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

Defense Evasion

Modify Registry

6

Impair Defenses

3

T1562

Disable or Modify Tools

T1562.001

Disable or Modify System Firewall

T1562.004

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Remote System Discovery