darkcomet | d85c9c99292bfc14eb103a7bef2388125c501f65c71802e688967561d30a27c9

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 04:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
Size

2.0MB
MD5

f2485a3bb600b7af5dd1e812a2b3a595
SHA1

1179741c00ffe2ea8d2ae76dd0b87a79c89b9edd
SHA256

d85c9c99292bfc14eb103a7bef2388125c501f65c71802e688967561d30a27c9
SHA512

ed57bc492e5601c5e30d7e32a6bb7db657b513309a5ea18d4043a4bb500a1f76962c6207b5fd53729586c41a88a9ad5ede22ab798ed07cfafc4fcde8f9f39b79
SSDEEP

49152:0QCEn/7SFLRxdNocwwZtFRcPcRSc/7f8ueqIGaWNTd75j83InWqFlSX2AOb8/aTL:

Score

10^/10

darkcomet g-8 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

G-8

coyotte760000.no-ip.org:1604

Mutex

DC_MUTEX-PUYZZGK

Attributes

InstallPath
Frame.net\hyhip�hdchjppsfhjk\frghjkkijfrdxcvvbb\Micro-soft\update.exe
gencode
xZVjClPMvJ52
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\Frame.net\\hyhipœhdchjppsfhjk\\frghjkkijfrdxcvvbb\\Micro-soft\\update.exe"	mmooii.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

pid	Process
1944	attrib.exe
3956	attrib.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	mmooii.exe

Executes dropped EXE 2 IoCs

pid	Process
804	mmooii.exe
3948	update.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\Frame.net\\hyhipœhdchjppsfhjk\\frghjkkijfrdxcvvbb\\Micro-soft\\update.exe"	mmooii.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\Frame.net\\hyhipœhdchjppsfhjk\\frghjkkijfrdxcvvbb\\Micro-soft\\update.exe"	update.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\Frame.net\\hyhipœhdchjppsfhjk\\frghjkkijfrdxcvvbb\\Micro-soft\\update.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3948 set thread context of 1740	3948	update.exe	90

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 9 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mmooii.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1740	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	804	mmooii.exe
Token: SeSecurityPrivilege	804	mmooii.exe
Token: SeTakeOwnershipPrivilege	804	mmooii.exe
Token: SeLoadDriverPrivilege	804	mmooii.exe
Token: SeSystemProfilePrivilege	804	mmooii.exe
Token: SeSystemtimePrivilege	804	mmooii.exe
Token: SeProfSingleProcessPrivilege	804	mmooii.exe
Token: SeIncBasePriorityPrivilege	804	mmooii.exe
Token: SeCreatePagefilePrivilege	804	mmooii.exe
Token: SeBackupPrivilege	804	mmooii.exe
Token: SeRestorePrivilege	804	mmooii.exe
Token: SeShutdownPrivilege	804	mmooii.exe
Token: SeDebugPrivilege	804	mmooii.exe
Token: SeSystemEnvironmentPrivilege	804	mmooii.exe
Token: SeChangeNotifyPrivilege	804	mmooii.exe
Token: SeRemoteShutdownPrivilege	804	mmooii.exe
Token: SeUndockPrivilege	804	mmooii.exe
Token: SeManageVolumePrivilege	804	mmooii.exe
Token: SeImpersonatePrivilege	804	mmooii.exe
Token: SeCreateGlobalPrivilege	804	mmooii.exe
Token: 33	804	mmooii.exe
Token: 34	804	mmooii.exe
Token: 35	804	mmooii.exe
Token: 36	804	mmooii.exe
Token: SeIncreaseQuotaPrivilege	3948	update.exe
Token: SeSecurityPrivilege	3948	update.exe
Token: SeTakeOwnershipPrivilege	3948	update.exe
Token: SeLoadDriverPrivilege	3948	update.exe
Token: SeSystemProfilePrivilege	3948	update.exe
Token: SeSystemtimePrivilege	3948	update.exe
Token: SeProfSingleProcessPrivilege	3948	update.exe
Token: SeIncBasePriorityPrivilege	3948	update.exe
Token: SeCreatePagefilePrivilege	3948	update.exe
Token: SeBackupPrivilege	3948	update.exe
Token: SeRestorePrivilege	3948	update.exe
Token: SeShutdownPrivilege	3948	update.exe
Token: SeDebugPrivilege	3948	update.exe
Token: SeSystemEnvironmentPrivilege	3948	update.exe
Token: SeChangeNotifyPrivilege	3948	update.exe
Token: SeRemoteShutdownPrivilege	3948	update.exe
Token: SeUndockPrivilege	3948	update.exe
Token: SeManageVolumePrivilege	3948	update.exe
Token: SeImpersonatePrivilege	3948	update.exe
Token: SeCreateGlobalPrivilege	3948	update.exe
Token: 33	3948	update.exe
Token: 34	3948	update.exe
Token: 35	3948	update.exe
Token: 36	3948	update.exe
Token: SeIncreaseQuotaPrivilege	1740	iexplore.exe
Token: SeSecurityPrivilege	1740	iexplore.exe
Token: SeTakeOwnershipPrivilege	1740	iexplore.exe
Token: SeLoadDriverPrivilege	1740	iexplore.exe
Token: SeSystemProfilePrivilege	1740	iexplore.exe
Token: SeSystemtimePrivilege	1740	iexplore.exe
Token: SeProfSingleProcessPrivilege	1740	iexplore.exe
Token: SeIncBasePriorityPrivilege	1740	iexplore.exe
Token: SeCreatePagefilePrivilege	1740	iexplore.exe
Token: SeBackupPrivilege	1740	iexplore.exe
Token: SeRestorePrivilege	1740	iexplore.exe
Token: SeShutdownPrivilege	1740	iexplore.exe
Token: SeDebugPrivilege	1740	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1740	iexplore.exe
Token: SeChangeNotifyPrivilege	1740	iexplore.exe
Token: SeRemoteShutdownPrivilege	1740	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1740	iexplore.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 804	2884	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe	83
PID 2884 wrote to memory of 804	2884	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe	83
PID 2884 wrote to memory of 804	2884	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe	83
PID 804 wrote to memory of 1060	804	mmooii.exe	84
PID 804 wrote to memory of 1060	804	mmooii.exe	84
PID 804 wrote to memory of 1060	804	mmooii.exe	84
PID 804 wrote to memory of 3704	804	mmooii.exe	85
PID 804 wrote to memory of 3704	804	mmooii.exe	85
PID 804 wrote to memory of 3704	804	mmooii.exe	85
PID 804 wrote to memory of 3948	804	mmooii.exe	88
PID 804 wrote to memory of 3948	804	mmooii.exe	88
PID 804 wrote to memory of 3948	804	mmooii.exe	88
PID 1060 wrote to memory of 1944	1060	cmd.exe	89
PID 1060 wrote to memory of 1944	1060	cmd.exe	89
PID 1060 wrote to memory of 1944	1060	cmd.exe	89
PID 3704 wrote to memory of 3956	3704	cmd.exe	91
PID 3704 wrote to memory of 3956	3704	cmd.exe	91
PID 3704 wrote to memory of 3956	3704	cmd.exe	91
PID 3948 wrote to memory of 1740	3948	update.exe	90
PID 3948 wrote to memory of 1740	3948	update.exe	90
PID 3948 wrote to memory of 1740	3948	update.exe	90
PID 3948 wrote to memory of 1740	3948	update.exe	90
PID 3948 wrote to memory of 1740	3948	update.exe	90
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92
PID 1740 wrote to memory of 4084	1740	iexplore.exe	92

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1944	attrib.exe
3956	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\mmooii.exe
  "C:\Users\Admin\AppData\Local\Temp\mmooii.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:804
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\mmooii.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1060
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\mmooii.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1944
- - 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:3704
  - - 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:3956
- - C:\Users\Admin\Documents\Frame.net\hyhipœhdchjppsfhjk\frghjkkijfrdxcvvbb\Micro-soft\update.exe
    "C:\Users\Admin\Documents\Frame.net\hyhipœhdchjppsfhjk\frghjkkijfrdxcvvbb\Micro-soft\update.exe"
    3⤵
    - Executes dropped EXE
    - 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:3948
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1740
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4084

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
725KB

MD5
0871d169ed6aaa170761c83529502cc1

SHA1
a6d751fa5fe8768e874a3997251dabfbfc5a1b81

SHA256
6d32c6fe39053f2deb530b77fc50778819485b08cf60297465a0570d0049d91b

SHA512
9dc8cc1c8a5c0f3722113f2817cecd6c4f8dacf9d4f1b7faf87fa975223d22c57db81395d9d7399d7ca377737acbc327bca5c5d1df4146b1c4c1754c13082a2d

Download Submit
memory/804-15-0x0000000002720000-0x0000000002721000-memory.dmp

Filesize
4KB

Download
memory/804-33-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1740-30-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2884-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

Filesize
4KB

Download
memory/2884-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2884-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2884-16-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/3948-31-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4084-32-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads