darkcomet | 00fd3ebe05097e9d7126bb0c341b45b7df3233c37d00350bb5da5de07caeebed

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2025, 20:36

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General

Target

JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe
Size

5.3MB
MD5

3463cee1547a94d1b1cb953907ff986c
SHA1

357e395eeffe902743d6bdfcd54ebd4989ca60c3
SHA256

00fd3ebe05097e9d7126bb0c341b45b7df3233c37d00350bb5da5de07caeebed
SHA512

744f61ee3f85a1ae453a6cf0eb315eb44cb10ad16b411bd59c16bfbccd5b509aca37ff7e2eb38b4076ec3ba78df031cb1add05ec127bfe834f625e2baf3cac42
SSDEEP

98304:802MvuPcO8xoklmbET3aKE9cWdaMfoB5TF6i:801mPcOUpkEuZfQRB

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

elakosme.no-ip.info:1337

Mutex

DCMIN_MUTEX-TGESVUH

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
8TFZmGTvZDUn
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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\\DCSCMIN\\IMDCSC.exe"	svchost.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-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	svchost.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.pif	FB_D09E.tmp.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.pif	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.pif	IMDCSC.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.pif	svchost.exe

Executes dropped EXE 6 IoCs

pid	Process
3732	FB_D09E.tmp.exe
4724	svchost.exe
328	svchost.exe
1928	IMDCSC.exe
2864	svchost.exe
5016	svchost.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svchost.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 328	4724	svchost.exe	95
PID 2864 set thread context of 5016	2864	svchost.exe	101

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 7 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FB_D09E.tmp.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	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	328	svchost.exe
Token: SeSecurityPrivilege	328	svchost.exe
Token: SeTakeOwnershipPrivilege	328	svchost.exe
Token: SeLoadDriverPrivilege	328	svchost.exe
Token: SeSystemProfilePrivilege	328	svchost.exe
Token: SeSystemtimePrivilege	328	svchost.exe
Token: SeProfSingleProcessPrivilege	328	svchost.exe
Token: SeIncBasePriorityPrivilege	328	svchost.exe
Token: SeCreatePagefilePrivilege	328	svchost.exe
Token: SeBackupPrivilege	328	svchost.exe
Token: SeRestorePrivilege	328	svchost.exe
Token: SeShutdownPrivilege	328	svchost.exe
Token: SeDebugPrivilege	328	svchost.exe
Token: SeSystemEnvironmentPrivilege	328	svchost.exe
Token: SeChangeNotifyPrivilege	328	svchost.exe
Token: SeRemoteShutdownPrivilege	328	svchost.exe
Token: SeUndockPrivilege	328	svchost.exe
Token: SeManageVolumePrivilege	328	svchost.exe
Token: SeImpersonatePrivilege	328	svchost.exe
Token: SeCreateGlobalPrivilege	328	svchost.exe
Token: 33	328	svchost.exe
Token: 34	328	svchost.exe
Token: 35	328	svchost.exe
Token: 36	328	svchost.exe
Token: SeIncreaseQuotaPrivilege	5016	svchost.exe
Token: SeSecurityPrivilege	5016	svchost.exe
Token: SeTakeOwnershipPrivilege	5016	svchost.exe
Token: SeLoadDriverPrivilege	5016	svchost.exe
Token: SeSystemProfilePrivilege	5016	svchost.exe
Token: SeSystemtimePrivilege	5016	svchost.exe
Token: SeProfSingleProcessPrivilege	5016	svchost.exe
Token: SeIncBasePriorityPrivilege	5016	svchost.exe
Token: SeCreatePagefilePrivilege	5016	svchost.exe
Token: SeBackupPrivilege	5016	svchost.exe
Token: SeRestorePrivilege	5016	svchost.exe
Token: SeShutdownPrivilege	5016	svchost.exe
Token: SeDebugPrivilege	5016	svchost.exe
Token: SeSystemEnvironmentPrivilege	5016	svchost.exe
Token: SeChangeNotifyPrivilege	5016	svchost.exe
Token: SeRemoteShutdownPrivilege	5016	svchost.exe
Token: SeUndockPrivilege	5016	svchost.exe
Token: SeManageVolumePrivilege	5016	svchost.exe
Token: SeImpersonatePrivilege	5016	svchost.exe
Token: SeCreateGlobalPrivilege	5016	svchost.exe
Token: 33	5016	svchost.exe
Token: 34	5016	svchost.exe
Token: 35	5016	svchost.exe
Token: 36	5016	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5016	svchost.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3732	2524	JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe	86
PID 2524 wrote to memory of 3732	2524	JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe	86
PID 2524 wrote to memory of 3732	2524	JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe	86
PID 3732 wrote to memory of 4724	3732	FB_D09E.tmp.exe	92
PID 3732 wrote to memory of 4724	3732	FB_D09E.tmp.exe	92
PID 3732 wrote to memory of 4724	3732	FB_D09E.tmp.exe	92
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 4724 wrote to memory of 328	4724	svchost.exe	95
PID 328 wrote to memory of 1928	328	svchost.exe	96
PID 328 wrote to memory of 1928	328	svchost.exe	96
PID 328 wrote to memory of 1928	328	svchost.exe	96
PID 1928 wrote to memory of 2864	1928	IMDCSC.exe	99
PID 1928 wrote to memory of 2864	1928	IMDCSC.exe	99
PID 1928 wrote to memory of 2864	1928	IMDCSC.exe	99
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101
PID 2864 wrote to memory of 5016	2864	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3463cee1547a94d1b1cb953907ff986c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\FB_D09E.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\FB_D09E.tmp.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
    C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
      C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
      4⤵
      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:328
    - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
        
        "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
        5⤵
        Drops startup file
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1928
      - C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
        
        C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
        6⤵
        Drops startup file
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2864
        
        C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
        
        C:\Users\Admin\AppData\Roaming\InstallDir\svchost.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:5016

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\FB_D09E.tmp.exe

Filesize
731KB

MD5
9bf460199742183ffd234a7ab22f81a8

SHA1
c5f000925d2393e544469b1b018f1d61376f859e

SHA256
77bdf1779ca31524db1bcb9bb9c5ec098cff0b12c8c51803315303c2895c2277

SHA512
2be019065ded3f0e4ae58df042931748993063b65803921bfb9939f45379e5ac817f1ca644607dae7bfc051f702bc00c4db67156bab560d016eec408a7250d11

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_D226.tmp.exe

Filesize
4.5MB

MD5
0160b8d14d0e72ae83d96215ee6f22cf

SHA1
5558e434506ebf8c6be7978bf0b4b7bbd4e34b38

SHA256
d5658a17f829825c3fc1294e569c1f94bd3f5eaf605ac868ac634d2c1df1cf1a

SHA512
e76fbed1c9dfdde4c4b01f8e91c4451bddee107c8335ae65ea20b4ae0439b2dd49431246e7db4a989f7baa4efedf3d3c15653d6e4e48f0136a65f54f7a707ffe

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.pif

Filesize
731KB

MD5
463952ab30a416d5534e4f1e3e393a35

SHA1
d719fef3ebc01c13d8b0eb16f396204cecc94388

SHA256
567aeeba663a07ca7961116cb45a0be6092709b5498758732d337dfe9786fbbe

SHA512
9b85bba527394f4b6cbd02cbe59101b29ac5e1d1e61cf30c4893f863cb0d1794192df0e03ca09e9e9174be020ba44cdc58898c6d4c27270e199526b0b5b88154

Download Submit
memory/328-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/328-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/328-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/328-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/328-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/328-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3732-20-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/5016-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-80-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5016-82-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads