darkcomet | 6e469926ab5929df9ea9cf2906e4b21859af3c477f116729fb079ae57bcbd602

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\Credentials\\wmpnetvk.exe"	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2760-15-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-14-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-11-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-10-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-17-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-20-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-18-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-19-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-22-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-23-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-25-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-24-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2760-26-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe:ZONE.identifier	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe:ZONE.identifier	cmd.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeSecurityPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeBackupPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeRestorePrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeShutdownPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeDebugPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeUndockPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: 33	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: 34	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
Token: 35	2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2760	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2656	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2656	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2656	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2656	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32
PID 1900 wrote to memory of 2760	1900	deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\cmd.exe
  "cmd"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:2656
- C:\Users\Admin\AppData\Local\Temp\deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
  deb9fc63806dd9ec46f24bd306aba41a_JaffaCakes118.exe
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2760

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery