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
2240	attrib.exe
2660	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	fa13090d9919999a63140bb94c49f019_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-1-5-21-312935884-697965778-3955649944-1000\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 2072 set thread context of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2132-15-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-13-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-9-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-10-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-23-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-22-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-26-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-29-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-28-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-27-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-21-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-20-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-31-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-34-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2132-38-0x0000000000400000-0x00000000004B8000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2132	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2132	svchost.exe
Token: SeSecurityPrivilege	2132	svchost.exe
Token: SeTakeOwnershipPrivilege	2132	svchost.exe
Token: SeLoadDriverPrivilege	2132	svchost.exe
Token: SeSystemProfilePrivilege	2132	svchost.exe
Token: SeSystemtimePrivilege	2132	svchost.exe
Token: SeProfSingleProcessPrivilege	2132	svchost.exe
Token: SeIncBasePriorityPrivilege	2132	svchost.exe
Token: SeCreatePagefilePrivilege	2132	svchost.exe
Token: SeBackupPrivilege	2132	svchost.exe
Token: SeRestorePrivilege	2132	svchost.exe
Token: SeShutdownPrivilege	2132	svchost.exe
Token: SeDebugPrivilege	2132	svchost.exe
Token: SeSystemEnvironmentPrivilege	2132	svchost.exe
Token: SeChangeNotifyPrivilege	2132	svchost.exe
Token: SeRemoteShutdownPrivilege	2132	svchost.exe
Token: SeUndockPrivilege	2132	svchost.exe
Token: SeManageVolumePrivilege	2132	svchost.exe
Token: SeImpersonatePrivilege	2132	svchost.exe
Token: SeCreateGlobalPrivilege	2132	svchost.exe
Token: 33	2132	svchost.exe
Token: 34	2132	svchost.exe
Token: 35	2132	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2132	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2132	2072	fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe	31
PID 2132 wrote to memory of 2752	2132	svchost.exe	32
PID 2132 wrote to memory of 2752	2132	svchost.exe	32
PID 2132 wrote to memory of 2752	2132	svchost.exe	32
PID 2132 wrote to memory of 2752	2132	svchost.exe	32
PID 2132 wrote to memory of 2788	2132	svchost.exe	34
PID 2132 wrote to memory of 2788	2132	svchost.exe	34
PID 2132 wrote to memory of 2788	2132	svchost.exe	34
PID 2132 wrote to memory of 2788	2132	svchost.exe	34
PID 2752 wrote to memory of 2240	2752	cmd.exe	37
PID 2752 wrote to memory of 2240	2752	cmd.exe	37
PID 2752 wrote to memory of 2240	2752	cmd.exe	37
PID 2752 wrote to memory of 2240	2752	cmd.exe	37
PID 2788 wrote to memory of 2660	2788	cmd.exe	36
PID 2788 wrote to memory of 2660	2788	cmd.exe	36
PID 2788 wrote to memory of 2660	2788	cmd.exe	36
PID 2788 wrote to memory of 2660	2788	cmd.exe	36

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2240	attrib.exe
2660	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa13090d9919999a63140bb94c49f019_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- 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:2072
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - 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:2132
- - 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:2752
  - - 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:2240
- - 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:2788
  - - 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:2660

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2072-0-0x0000000074571000-0x0000000074572000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2072-2-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2072-24-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2132-15-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-26-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2132-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-25-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2132-23-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-13-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-29-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-28-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-27-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-21-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-20-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-31-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-34-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2132-38-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads