darkcomet | d13019a4b6cadfe2158c2d5618a5138bf83575bd93899ab4539a219b7313e50e

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\\friedhost.exe"	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe

Modifies firewall policy service 3 TTPs 3 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

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

Modifies security service 2 TTPs 1 IoCs

Modify Registry

Windows Service

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

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	friedhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	friedhost.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	friedhost.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.

Hidden Files and Directories

T1564.001

pid	Process
2528	attrib.exe
3264	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe

Executes dropped EXE 1 IoCs

pid	Process
1644	friedhost.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	friedhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	friedhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\friedhost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\friedhost.exe"	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/372-0-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/files/0x000b000000023b76-6.dat	upx
behavioral2/memory/1644-14-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/372-17-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-18-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-19-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-20-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-21-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-22-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-23-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-24-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-25-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-26-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-27-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-28-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-29-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-30-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-31-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/1644-32-0x0000000000400000-0x00000000004C7000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	friedhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeSecurityPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeTakeOwnershipPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeLoadDriverPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeSystemProfilePrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeSystemtimePrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeProfSingleProcessPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeIncBasePriorityPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeCreatePagefilePrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeBackupPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeRestorePrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeShutdownPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeDebugPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeSystemEnvironmentPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeChangeNotifyPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeRemoteShutdownPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeUndockPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeManageVolumePrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeImpersonatePrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeCreateGlobalPrivilege	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: 33	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: 34	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: 35	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: 36	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
Token: SeIncreaseQuotaPrivilege	1644	friedhost.exe
Token: SeSecurityPrivilege	1644	friedhost.exe
Token: SeTakeOwnershipPrivilege	1644	friedhost.exe
Token: SeLoadDriverPrivilege	1644	friedhost.exe
Token: SeSystemProfilePrivilege	1644	friedhost.exe
Token: SeSystemtimePrivilege	1644	friedhost.exe
Token: SeProfSingleProcessPrivilege	1644	friedhost.exe
Token: SeIncBasePriorityPrivilege	1644	friedhost.exe
Token: SeCreatePagefilePrivilege	1644	friedhost.exe
Token: SeBackupPrivilege	1644	friedhost.exe
Token: SeRestorePrivilege	1644	friedhost.exe
Token: SeShutdownPrivilege	1644	friedhost.exe
Token: SeDebugPrivilege	1644	friedhost.exe
Token: SeSystemEnvironmentPrivilege	1644	friedhost.exe
Token: SeChangeNotifyPrivilege	1644	friedhost.exe
Token: SeRemoteShutdownPrivilege	1644	friedhost.exe
Token: SeUndockPrivilege	1644	friedhost.exe
Token: SeManageVolumePrivilege	1644	friedhost.exe
Token: SeImpersonatePrivilege	1644	friedhost.exe
Token: SeCreateGlobalPrivilege	1644	friedhost.exe
Token: 33	1644	friedhost.exe
Token: 34	1644	friedhost.exe
Token: 35	1644	friedhost.exe
Token: 36	1644	friedhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1644	friedhost.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 1864	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	82
PID 372 wrote to memory of 1864	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	82
PID 372 wrote to memory of 1864	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	82
PID 372 wrote to memory of 2360	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	83
PID 372 wrote to memory of 2360	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	83
PID 372 wrote to memory of 2360	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	83
PID 372 wrote to memory of 1644	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	86
PID 372 wrote to memory of 1644	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	86
PID 372 wrote to memory of 1644	372	JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe	86
PID 2360 wrote to memory of 2528	2360	cmd.exe	87
PID 2360 wrote to memory of 2528	2360	cmd.exe	87
PID 2360 wrote to memory of 2528	2360	cmd.exe	87
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1644 wrote to memory of 5008	1644	friedhost.exe	88
PID 1864 wrote to memory of 3264	1864	cmd.exe	89
PID 1864 wrote to memory of 3264	1864	cmd.exe	89
PID 1864 wrote to memory of 3264	1864	cmd.exe	89

System policy modification 1 TTPs 3 IoCs

Modify Registry

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

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
2528	attrib.exe
3264	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2528
- C:\Users\Admin\AppData\Roaming\friedhost.exe
  "C:\Users\Admin\AppData\Roaming\friedhost.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1644
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry