darkcomet | c8fdafdd08e55eba2df997c7d8da4d4092819522b79228157eccaaced13fdca5

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2024 00:43

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General

Target

6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Size

1.9MB
MD5

6c850638e6710308a0423b5053079770
SHA1

ceba9d5c2eaf48f6c0fd85dff4a1ea6e67ce6e12
SHA256

c8fdafdd08e55eba2df997c7d8da4d4092819522b79228157eccaaced13fdca5
SHA512

f8c849c5fa87e12d97ec4b6a00ac951efc8b6fe67173b1010d31e22a79e9a79525a3813c82599126b8b90018c7d3b66981b7c0f22af9216f54604fdf2853141c
SSDEEP

24576:Q0QRWoJEfg0oChGdJQbjPbNW5tYeP+GF980iVOq2gI9KuwnlHoMUVmzOZBDf5pPQ:LQRV2o3MPY5Ar/G07lHg/qMvWWOZRb

Score

10^/10

darkcomet guest16 discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

harem.zapto.org:1604

Mutex

DC_MUTEX-1LAL7PT

Attributes

gencode
at5ugyKVDMMh
install
false
offline_keylogger
true
persistence
false

Signatures

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

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iexplore.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
4900	attrib.exe
1928	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	6c850638e6710308a0423b5053079770_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c850638e6710308a0423b5053079770_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 2020	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	87

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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2020	iexplore.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeSecurityPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeBackupPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeRestorePrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeShutdownPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeDebugPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeUndockPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: 33	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: 34	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: 35	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: 36	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2020	iexplore.exe
Token: SeSecurityPrivilege	2020	iexplore.exe
Token: SeTakeOwnershipPrivilege	2020	iexplore.exe
Token: SeLoadDriverPrivilege	2020	iexplore.exe
Token: SeSystemProfilePrivilege	2020	iexplore.exe
Token: SeSystemtimePrivilege	2020	iexplore.exe
Token: SeProfSingleProcessPrivilege	2020	iexplore.exe
Token: SeIncBasePriorityPrivilege	2020	iexplore.exe
Token: SeCreatePagefilePrivilege	2020	iexplore.exe
Token: SeBackupPrivilege	2020	iexplore.exe
Token: SeRestorePrivilege	2020	iexplore.exe
Token: SeShutdownPrivilege	2020	iexplore.exe
Token: SeDebugPrivilege	2020	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2020	iexplore.exe
Token: SeChangeNotifyPrivilege	2020	iexplore.exe
Token: SeRemoteShutdownPrivilege	2020	iexplore.exe
Token: SeUndockPrivilege	2020	iexplore.exe
Token: SeManageVolumePrivilege	2020	iexplore.exe
Token: SeImpersonatePrivilege	2020	iexplore.exe
Token: SeCreateGlobalPrivilege	2020	iexplore.exe
Token: 33	2020	iexplore.exe
Token: 34	2020	iexplore.exe
Token: 35	2020	iexplore.exe
Token: 36	2020	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2020	iexplore.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 3744	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	84
PID 2264 wrote to memory of 3744	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	84
PID 2264 wrote to memory of 3744	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	84
PID 2264 wrote to memory of 1916	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	85
PID 2264 wrote to memory of 1916	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	85
PID 2264 wrote to memory of 1916	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	85
PID 2264 wrote to memory of 2020	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	87
PID 2264 wrote to memory of 2020	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	87
PID 2264 wrote to memory of 2020	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	87
PID 2264 wrote to memory of 2020	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	87
PID 2264 wrote to memory of 2020	2264	6c850638e6710308a0423b5053079770_JaffaCakes118.exe	87
PID 3744 wrote to memory of 4900	3744	cmd.exe	89
PID 3744 wrote to memory of 4900	3744	cmd.exe	89
PID 3744 wrote to memory of 4900	3744	cmd.exe	89
PID 1916 wrote to memory of 1928	1916	cmd.exe	90
PID 1916 wrote to memory of 1928	1916	cmd.exe	90
PID 1916 wrote to memory of 1928	1916	cmd.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4900	attrib.exe
1928	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6c850638e6710308a0423b5053079770_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6c850638e6710308a0423b5053079770_JaffaCakes118.exe"
1⤵
- Windows security bypass
- Disables RegEdit via registry modification
- Checks computer location settings
- Windows security modification
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\6c850638e6710308a0423b5053079770_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3744
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\6c850638e6710308a0423b5053079770_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4900
- 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:1916
- - 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:1928
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Windows security bypass
  - Disables RegEdit via registry modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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

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Downloads

memory/2020-1-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2264-0-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/2264-2-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads