darkcomet | 3f3687822e0ab54476508090a71f0c1a14bedce8ebcde0258098aa897b9d25c4

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19/02/2025, 16:40

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General

Target

JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe
Size

781KB
MD5

0695ed0e74b1fa27adbdf2ab991fc73d
SHA1

0da0019f0fdfc66308d367d5481a23507c49acf5
SHA256

3f3687822e0ab54476508090a71f0c1a14bedce8ebcde0258098aa897b9d25c4
SHA512

12e347e9c33cb016dde85bed070d802ca18a836f019abba906bb7a8b3f90ce5d665d8fe8e20b4c157a74e2014b0ab5c305b4a1542a04dda9ee78a64be84ca7b9
SSDEEP

12288:1h4b4h9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h:1hmyZ1xuVVjfFoynPaVBUR8f+kN10EB

Score

10^/10

darkcomet hf discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Botnet

193.227.186.78 :1604

Mutex

DC_MUTEX-KT2FTNQ

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
o0u6vryrwKjQ
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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\\msdcsc.exe"	HI.EXE

Executes dropped EXE 4 IoCs

pid	Process
1652	HI3.EXE
2612	HI2.EXE
2568	HI.EXE
2932	msdcsc.exe

Loads dropped DLL 8 IoCs

pid	Process
1484	JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe
1484	JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe
1652	HI3.EXE
1652	HI3.EXE
2612	HI2.EXE
2612	HI2.EXE
2568	HI.EXE
2568	HI.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	HI.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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 5 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	HI3.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HI2.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HI.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2568	HI.EXE
Token: SeSecurityPrivilege	2568	HI.EXE
Token: SeTakeOwnershipPrivilege	2568	HI.EXE
Token: SeLoadDriverPrivilege	2568	HI.EXE
Token: SeSystemProfilePrivilege	2568	HI.EXE
Token: SeSystemtimePrivilege	2568	HI.EXE
Token: SeProfSingleProcessPrivilege	2568	HI.EXE
Token: SeIncBasePriorityPrivilege	2568	HI.EXE
Token: SeCreatePagefilePrivilege	2568	HI.EXE
Token: SeBackupPrivilege	2568	HI.EXE
Token: SeRestorePrivilege	2568	HI.EXE
Token: SeShutdownPrivilege	2568	HI.EXE
Token: SeDebugPrivilege	2568	HI.EXE
Token: SeSystemEnvironmentPrivilege	2568	HI.EXE
Token: SeChangeNotifyPrivilege	2568	HI.EXE
Token: SeRemoteShutdownPrivilege	2568	HI.EXE
Token: SeUndockPrivilege	2568	HI.EXE
Token: SeManageVolumePrivilege	2568	HI.EXE
Token: SeImpersonatePrivilege	2568	HI.EXE
Token: SeCreateGlobalPrivilege	2568	HI.EXE
Token: 33	2568	HI.EXE
Token: 34	2568	HI.EXE
Token: 35	2568	HI.EXE
Token: SeIncreaseQuotaPrivilege	2932	msdcsc.exe
Token: SeSecurityPrivilege	2932	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2932	msdcsc.exe
Token: SeLoadDriverPrivilege	2932	msdcsc.exe
Token: SeSystemProfilePrivilege	2932	msdcsc.exe
Token: SeSystemtimePrivilege	2932	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2932	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2932	msdcsc.exe
Token: SeCreatePagefilePrivilege	2932	msdcsc.exe
Token: SeBackupPrivilege	2932	msdcsc.exe
Token: SeRestorePrivilege	2932	msdcsc.exe
Token: SeShutdownPrivilege	2932	msdcsc.exe
Token: SeDebugPrivilege	2932	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2932	msdcsc.exe
Token: SeChangeNotifyPrivilege	2932	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2932	msdcsc.exe
Token: SeUndockPrivilege	2932	msdcsc.exe
Token: SeManageVolumePrivilege	2932	msdcsc.exe
Token: SeImpersonatePrivilege	2932	msdcsc.exe
Token: SeCreateGlobalPrivilege	2932	msdcsc.exe
Token: 33	2932	msdcsc.exe
Token: 34	2932	msdcsc.exe
Token: 35	2932	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2932	msdcsc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 1652	1484	JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe	31
PID 1484 wrote to memory of 1652	1484	JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe	31
PID 1484 wrote to memory of 1652	1484	JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe	31
PID 1484 wrote to memory of 1652	1484	JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe	31
PID 1652 wrote to memory of 2612	1652	HI3.EXE	32
PID 1652 wrote to memory of 2612	1652	HI3.EXE	32
PID 1652 wrote to memory of 2612	1652	HI3.EXE	32
PID 1652 wrote to memory of 2612	1652	HI3.EXE	32
PID 2612 wrote to memory of 2568	2612	HI2.EXE	33
PID 2612 wrote to memory of 2568	2612	HI2.EXE	33
PID 2612 wrote to memory of 2568	2612	HI2.EXE	33
PID 2612 wrote to memory of 2568	2612	HI2.EXE	33
PID 2568 wrote to memory of 2932	2568	HI.EXE	34
PID 2568 wrote to memory of 2932	2568	HI.EXE	34
PID 2568 wrote to memory of 2932	2568	HI.EXE	34
PID 2568 wrote to memory of 2932	2568	HI.EXE	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0695ed0e74b1fa27adbdf2ab991fc73d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Users\Admin\AppData\Local\Temp\HI3.EXE
  "C:\Users\Admin\AppData\Local\Temp\HI3.EXE"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Users\Admin\AppData\Local\Temp\HI2.EXE
    "C:\Users\Admin\AppData\Local\Temp\HI2.EXE"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2612
  - - C:\Users\Admin\AppData\Local\Temp\HI.EXE
      "C:\Users\Admin\AppData\Local\Temp\HI.EXE"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2568
    - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:2932

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

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

\Users\Admin\AppData\Local\Temp\HI.EXE

Filesize
658KB

MD5
31df8137b6f0d9afecfb39321b933d5c

SHA1
b49e00d5785c86093fed818b43e67904c7f4f4b2

SHA256
32f710c866f10acad68f066d075bc1b85e14850b89652ae6f00ce3b80c5869f0

SHA512
be771533ceb23b0fadf258da6017f6d46ff9d2e09fffac5cb0f3b42b80c684b4cf4e5b0b451c534eb4225104d5193d405b4654f0ce5f345d2e53595a7add6862

Download Submit
\Users\Admin\AppData\Local\Temp\HI2.EXE

Filesize
711KB

MD5
5a0c5979c07ed7fdb6c3d4104a40840c

SHA1
2a7190700ddf8b5e3b1efe2543945ea49439b38c

SHA256
6e4828c21a5770ef7216cd8c0b38ced2a767397ac6d31642afd3159ce6ba7d7f

SHA512
cd4c97de15b747f010629956607db301e80af50638382e6ecdf2ab51ad6473cfc286d23cfd02c4d605eb7cc863956ac51e6295a13b7fab20efb6fc82aa6bcfe7

Download Submit
\Users\Admin\AppData\Local\Temp\HI3.EXE

Filesize
764KB

MD5
f955d127d1e74f456d6cfc95a9f0543a

SHA1
1fe4ac031beeaf4d7798ea9ef783cf8c0f40091c

SHA256
5687247111db5fcafbb703908e3382b05f2d2ec2166bae65ae8e1eedb60dd003

SHA512
a2e48905c36ebbc074f604fe5d114e1a1b727468247b56b2d843a05cc935417abb92eb0d490e77ca4edb274020b4d91e4bb202147635f806115293463ca1e9ee

Download Submit
memory/2568-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2932-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2932-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2932-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2932-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads