darkcomet | 5e81b8edcf7b02450f9fbcfdcfe58e2cdc825211d033934d7aae50deff19bc0b

Processes:

05f18d8e6dd716f114c21bc4115baac2_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\\Roaming\\23312\\8842.exe"	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 6 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

8842.exeiexplore.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	8842.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	8842.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	8842.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

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

8842.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	8842.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	iexplore.exe

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

4720 attrib.exe
2852 attrib.exe

pid	process
4720	attrib.exe
2852	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:

05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

8842.exe

pid process

3336 8842.exe
Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

8842.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 8842.exe

pid	process
3336	8842.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

8842.exeiexplore.exe05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe"	8842.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\23312\\8842.exe"	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8842.exe

description pid process target process

PID 3336 set thread context of 2288 3336 8842.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 3336 set thread context of 2288	3336	8842.exe	iexplore.exe

Modifies registry class 1 IoCs

Processes:

05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2288 iexplore.exe

pid	process
2288	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe8842.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeSecurityPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeBackupPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeRestorePrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeShutdownPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeDebugPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeUndockPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: 33	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: 34	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: 35	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: 36	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3336	8842.exe
Token: SeSecurityPrivilege	3336	8842.exe
Token: SeTakeOwnershipPrivilege	3336	8842.exe
Token: SeLoadDriverPrivilege	3336	8842.exe
Token: SeSystemProfilePrivilege	3336	8842.exe
Token: SeSystemtimePrivilege	3336	8842.exe
Token: SeProfSingleProcessPrivilege	3336	8842.exe
Token: SeIncBasePriorityPrivilege	3336	8842.exe
Token: SeCreatePagefilePrivilege	3336	8842.exe
Token: SeBackupPrivilege	3336	8842.exe
Token: SeRestorePrivilege	3336	8842.exe
Token: SeShutdownPrivilege	3336	8842.exe
Token: SeDebugPrivilege	3336	8842.exe
Token: SeSystemEnvironmentPrivilege	3336	8842.exe
Token: SeChangeNotifyPrivilege	3336	8842.exe
Token: SeRemoteShutdownPrivilege	3336	8842.exe
Token: SeUndockPrivilege	3336	8842.exe
Token: SeManageVolumePrivilege	3336	8842.exe
Token: SeImpersonatePrivilege	3336	8842.exe
Token: SeCreateGlobalPrivilege	3336	8842.exe
Token: 33	3336	8842.exe
Token: 34	3336	8842.exe
Token: 35	3336	8842.exe
Token: 36	3336	8842.exe
Token: SeIncreaseQuotaPrivilege	2288	iexplore.exe
Token: SeSecurityPrivilege	2288	iexplore.exe
Token: SeTakeOwnershipPrivilege	2288	iexplore.exe
Token: SeLoadDriverPrivilege	2288	iexplore.exe
Token: SeSystemProfilePrivilege	2288	iexplore.exe
Token: SeSystemtimePrivilege	2288	iexplore.exe
Token: SeProfSingleProcessPrivilege	2288	iexplore.exe
Token: SeIncBasePriorityPrivilege	2288	iexplore.exe
Token: SeCreatePagefilePrivilege	2288	iexplore.exe
Token: SeBackupPrivilege	2288	iexplore.exe
Token: SeRestorePrivilege	2288	iexplore.exe
Token: SeShutdownPrivilege	2288	iexplore.exe
Token: SeDebugPrivilege	2288	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2288	iexplore.exe
Token: SeChangeNotifyPrivilege	2288	iexplore.exe
Token: SeRemoteShutdownPrivilege	2288	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

iexplore.exe

pid process

2288 iexplore.exe

pid	process
2288	iexplore.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.execmd.execmd.exe8842.exe

description	pid	process	target process
PID 2080 wrote to memory of 1544	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1544	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1544	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 2060	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 2060	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 2060	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	cmd.exe
PID 1544 wrote to memory of 4720	1544	cmd.exe	attrib.exe
PID 1544 wrote to memory of 4720	1544	cmd.exe	attrib.exe
PID 1544 wrote to memory of 4720	1544	cmd.exe	attrib.exe
PID 2060 wrote to memory of 2852	2060	cmd.exe	attrib.exe
PID 2060 wrote to memory of 2852	2060	cmd.exe	attrib.exe
PID 2060 wrote to memory of 2852	2060	cmd.exe	attrib.exe
PID 2080 wrote to memory of 3336	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	8842.exe
PID 2080 wrote to memory of 3336	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	8842.exe
PID 2080 wrote to memory of 3336	2080	05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe	8842.exe
PID 3336 wrote to memory of 2288	3336	8842.exe	iexplore.exe
PID 3336 wrote to memory of 2288	3336	8842.exe	iexplore.exe
PID 3336 wrote to memory of 2288	3336	8842.exe	iexplore.exe
PID 3336 wrote to memory of 2288	3336	8842.exe	iexplore.exe
PID 3336 wrote to memory of 2288	3336	8842.exe	iexplore.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

4720 attrib.exe
2852 attrib.exe

pid	process
4720	attrib.exe
2852	attrib.exe

C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_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:2080

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1544

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\05f18d8e6dd716f114c21bc4115baac2_JaffaCakes118.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4720

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:2060

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2852

C:\Users\Admin\AppData\Roaming\23312\8842.exe
"C:\Users\Admin\AppData\Roaming\23312\8842.exe"
2⤵
- Modifies firewall policy service
- Windows security bypass
- 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:3336

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Modifies firewall policy service
- Windows security bypass
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2288

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

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