darkcomet | 0f5aaed1ed417c6fa1ce4784833f34f418afa1efee3b24beca2964da0812c29e

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2025, 16:27

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General

Target

JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Size

895KB
MD5

878834bc6b5f38d2dbf18547f0799680
SHA1

0158d1b6109d219e1b916b7bf566373ea44d5a84
SHA256

0f5aaed1ed417c6fa1ce4784833f34f418afa1efee3b24beca2964da0812c29e
SHA512

9eba480628470a47a506b5c3466260eb932646b08bc5c8ef239015f6ea566db529e8fddfca88f6e0b1a46833f0f41d125467008ed56638ad3271ba5ab633d319
SSDEEP

12288:9oKagb0ZDVcB6WK4c3pVLmv3mKsu5ur+Yp3cKuRCCopY58vSmfet:9oJgALS6ZN3pVLA3mOuYzrhRmW

Score

10^/10

darkcomet lyo discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Lyo

omfgitworks.no-ip.org:105

Mutex

DC_MUTEX-513TBQW

Attributes

InstallPath
MSDCSC\svchost.exe
gencode
g1#z-3ddTdpY
install
true
offline_keylogger
true
persistence
false
reg_key
uTorrentUpdates

rc4.plain

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\\MSDCSC\\svchost.exe"	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.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-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe

Executes dropped EXE 2 IoCs

pid	Process
3168	svchost.exe
2948	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-1-5-21-869607583-2483572573-2297019986-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uTorrentUpdates = "C:\\Users\\Admin\\Documents\\MSDCSC\\svchost.exe"	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3168 set thread context of 2948	3168	svchost.exe	91

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 4 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	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeIncreaseQuotaPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeSecurityPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeTakeOwnershipPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeLoadDriverPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeSystemProfilePrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeSystemtimePrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeProfSingleProcessPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeIncBasePriorityPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeCreatePagefilePrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeBackupPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeRestorePrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeShutdownPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeDebugPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeSystemEnvironmentPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeChangeNotifyPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeRemoteShutdownPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeUndockPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeManageVolumePrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeImpersonatePrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeCreateGlobalPrivilege	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: 33	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: 34	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: 35	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: 36	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
Token: SeDebugPrivilege	3168	svchost.exe
Token: SeIncreaseQuotaPrivilege	2948	svchost.exe
Token: SeSecurityPrivilege	2948	svchost.exe
Token: SeTakeOwnershipPrivilege	2948	svchost.exe
Token: SeLoadDriverPrivilege	2948	svchost.exe
Token: SeSystemProfilePrivilege	2948	svchost.exe
Token: SeSystemtimePrivilege	2948	svchost.exe
Token: SeProfSingleProcessPrivilege	2948	svchost.exe
Token: SeIncBasePriorityPrivilege	2948	svchost.exe
Token: SeCreatePagefilePrivilege	2948	svchost.exe
Token: SeBackupPrivilege	2948	svchost.exe
Token: SeRestorePrivilege	2948	svchost.exe
Token: SeShutdownPrivilege	2948	svchost.exe
Token: SeDebugPrivilege	2948	svchost.exe
Token: SeSystemEnvironmentPrivilege	2948	svchost.exe
Token: SeChangeNotifyPrivilege	2948	svchost.exe
Token: SeRemoteShutdownPrivilege	2948	svchost.exe
Token: SeUndockPrivilege	2948	svchost.exe
Token: SeManageVolumePrivilege	2948	svchost.exe
Token: SeImpersonatePrivilege	2948	svchost.exe
Token: SeCreateGlobalPrivilege	2948	svchost.exe
Token: 33	2948	svchost.exe
Token: 34	2948	svchost.exe
Token: 35	2948	svchost.exe
Token: 36	2948	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2948	svchost.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 3648 wrote to memory of 4248	3648	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	87
PID 4248 wrote to memory of 3168	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	90
PID 4248 wrote to memory of 3168	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	90
PID 4248 wrote to memory of 3168	4248	JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe	90
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91
PID 3168 wrote to memory of 2948	3168	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_878834bc6b5f38d2dbf18547f0799680.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Users\Admin\Documents\MSDCSC\svchost.exe
    "C:\Users\Admin\Documents\MSDCSC\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3168
  - - C:\Users\Admin\Documents\MSDCSC\svchost.exe
      C:\Users\Admin\Documents\MSDCSC\svchost.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2948

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

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

C:\Users\Admin\Documents\MSDCSC\svchost.exe

Filesize
895KB

MD5
878834bc6b5f38d2dbf18547f0799680

SHA1
0158d1b6109d219e1b916b7bf566373ea44d5a84

SHA256
0f5aaed1ed417c6fa1ce4784833f34f418afa1efee3b24beca2964da0812c29e

SHA512
9eba480628470a47a506b5c3466260eb932646b08bc5c8ef239015f6ea566db529e8fddfca88f6e0b1a46833f0f41d125467008ed56638ad3271ba5ab633d319

Download Submit
memory/2948-48-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-50-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-49-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-47-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3168-52-0x0000000072250000-0x0000000072801000-memory.dmp

Filesize
5.7MB

Download
memory/3168-43-0x0000000072250000-0x0000000072801000-memory.dmp

Filesize
5.7MB

Download
memory/3168-42-0x0000000072252000-0x0000000072253000-memory.dmp

Filesize
4KB

Download
memory/3648-1-0x0000000074E00000-0x00000000753B1000-memory.dmp

Filesize
5.7MB

Download
memory/3648-2-0x0000000074E00000-0x00000000753B1000-memory.dmp

Filesize
5.7MB

Download
memory/3648-7-0x0000000074E00000-0x00000000753B1000-memory.dmp

Filesize
5.7MB

Download
memory/3648-0-0x0000000074E02000-0x0000000074E03000-memory.dmp

Filesize
4KB

Download
memory/4248-8-0x00000000017C0000-0x00000000017C1000-memory.dmp

Filesize
4KB

Download
memory/4248-6-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4248-4-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4248-3-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads