darkcomet | 6cef3da01ffb20be5de57aded63cb2648eb0d0c8e03dbf9a037a316cce2009bc

General

Target

fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe
Size

396KB
MD5

fa13090d9919999a63140bb94c49f019
SHA1

0d0d75f12e4d431d23943849f678384d17f8d340
SHA256

6cef3da01ffb20be5de57aded63cb2648eb0d0c8e03dbf9a037a316cce2009bc
SHA512

9122f30de10f9f563b6497b16a1fa55ea5c1cbf0424bf3915bbd94da4c296fda2b6d4cb36824f0c3688a3f11745c2d36f6c5f0e25d66c4aa3ed544524249f117
SSDEEP

6144:s9xoo26nm8Ujj7ZCfOPQrhOXFTHBv3sQD2rJVsbxYyfqDrFveD8SHbW9XGkXXIWs:Qoo26xM4OI8XZBv3sQDhF9yFSk92qbS

Score

10^/10

darkcomet discovery evasion persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

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

pid	Process
4504	attrib.exe
1572	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	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5112	svchost.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Live = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe"	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3836 set thread context of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5112-5-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-8-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-12-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-10-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-13-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-14-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-20-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-19-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-18-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-17-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-21-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-24-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5112-26-0x0000000000400000-0x00000000004B8000-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 6 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	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	attrib.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5112	svchost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	5112	svchost.exe
Token: SeSecurityPrivilege	5112	svchost.exe
Token: SeTakeOwnershipPrivilege	5112	svchost.exe
Token: SeLoadDriverPrivilege	5112	svchost.exe
Token: SeSystemProfilePrivilege	5112	svchost.exe
Token: SeSystemtimePrivilege	5112	svchost.exe
Token: SeProfSingleProcessPrivilege	5112	svchost.exe
Token: SeIncBasePriorityPrivilege	5112	svchost.exe
Token: SeCreatePagefilePrivilege	5112	svchost.exe
Token: SeBackupPrivilege	5112	svchost.exe
Token: SeRestorePrivilege	5112	svchost.exe
Token: SeShutdownPrivilege	5112	svchost.exe
Token: SeDebugPrivilege	5112	svchost.exe
Token: SeSystemEnvironmentPrivilege	5112	svchost.exe
Token: SeChangeNotifyPrivilege	5112	svchost.exe
Token: SeRemoteShutdownPrivilege	5112	svchost.exe
Token: SeUndockPrivilege	5112	svchost.exe
Token: SeManageVolumePrivilege	5112	svchost.exe
Token: SeImpersonatePrivilege	5112	svchost.exe
Token: SeCreateGlobalPrivilege	5112	svchost.exe
Token: 33	5112	svchost.exe
Token: 34	5112	svchost.exe
Token: 35	5112	svchost.exe
Token: 36	5112	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5112	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 3836 wrote to memory of 5112	3836	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	82
PID 5112 wrote to memory of 1008	5112	svchost.exe	83
PID 5112 wrote to memory of 1008	5112	svchost.exe	83
PID 5112 wrote to memory of 1008	5112	svchost.exe	83
PID 5112 wrote to memory of 4816	5112	svchost.exe	85
PID 5112 wrote to memory of 4816	5112	svchost.exe	85
PID 5112 wrote to memory of 4816	5112	svchost.exe	85
PID 1008 wrote to memory of 1572	1008	cmd.exe	87
PID 1008 wrote to memory of 1572	1008	cmd.exe	87
PID 1008 wrote to memory of 1572	1008	cmd.exe	87
PID 4816 wrote to memory of 4504	4816	cmd.exe	88
PID 4816 wrote to memory of 4504	4816	cmd.exe	88
PID 4816 wrote to memory of 4504	4816	cmd.exe	88

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1572	attrib.exe
4504	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa13090d9919999a63140bb94c49f019_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:3836
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1008
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1572
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4816
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:4504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/3836-0-0x00000000752B2000-0x00000000752B3000-memory.dmp

Filesize
4KB

Download
memory/3836-1-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/3836-2-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/3836-16-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/5112-13-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-20-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-8-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-14-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-5-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-15-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/5112-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-19-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-18-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-17-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-21-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-24-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5112-26-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads