darkcomet | f69c8c59a1231b61f11a39e42cc236624a0d0fef72141a3abfc09af2023e69ef

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 01:34

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General

Target
69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Size 716KB
Sample240724-by3geatemf
SHA256 f69c8c59a1231b61f11a39e42cc236624a0d0fef72141a3abfc09af2023e69ef
MD5 69c2485598962af287f9f81bc29e4117
SHA1 db60a2360b068c03b6b5596e06dbad92ddab4939
SHA512 53875dba288d729414f1386e43c0f2332c3d2054279fd57638cf6df3f329a75f25fdbc67a93fda767a6ccd04e8769e7110702530c75ca4fb57da05e927ed3bfa
SSDEEP 12288:DPixQzUlORtk7w7nZDWtA+KGzurODpWh/xitnAmneaYu+LXMEJHCqZTaUuIMO4Dg:Lii4bw7nsvyq4/xithWhX1JQTIODRI/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet tigermania discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

TiGeRMaNiA

fataka.no-ip.biz:82

Mutex

DC_MUTEX-WUS3N6Q

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
k7JgDHZDMKm8
install
true
offline_keylogger
true
password
fataka
persistence
true
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	69c2485598962af287f9f81bc29e4117_JaffaCakes118.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-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\International\Geo\Nation	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1600	msdcsc.exe
1012	msdcsc.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-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 1600 set thread context of 1012	1600	msdcsc.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 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeSecurityPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeBackupPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeRestorePrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeShutdownPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeDebugPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeUndockPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: 33	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: 34	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: 35	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: 36	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1012	msdcsc.exe
Token: SeSecurityPrivilege	1012	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1012	msdcsc.exe
Token: SeLoadDriverPrivilege	1012	msdcsc.exe
Token: SeSystemProfilePrivilege	1012	msdcsc.exe
Token: SeSystemtimePrivilege	1012	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1012	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1012	msdcsc.exe
Token: SeCreatePagefilePrivilege	1012	msdcsc.exe
Token: SeBackupPrivilege	1012	msdcsc.exe
Token: SeRestorePrivilege	1012	msdcsc.exe
Token: SeShutdownPrivilege	1012	msdcsc.exe
Token: SeDebugPrivilege	1012	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1012	msdcsc.exe
Token: SeChangeNotifyPrivilege	1012	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1012	msdcsc.exe
Token: SeUndockPrivilege	1012	msdcsc.exe
Token: SeManageVolumePrivilege	1012	msdcsc.exe
Token: SeImpersonatePrivilege	1012	msdcsc.exe
Token: SeCreateGlobalPrivilege	1012	msdcsc.exe
Token: 33	1012	msdcsc.exe
Token: 34	1012	msdcsc.exe
Token: 35	1012	msdcsc.exe
Token: 36	1012	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1012	msdcsc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3436	3648	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	85
PID 3436 wrote to memory of 1600	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	86
PID 3436 wrote to memory of 1600	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	86
PID 3436 wrote to memory of 1600	3436	69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe	86
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87
PID 1600 wrote to memory of 1012	1600	msdcsc.exe	87

C:\Users\Admin\AppData\Local\Temp\69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Users\Admin\AppData\Local\Temp\69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\69c2485598962af287f9f81bc29e4117_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3436
- - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1600
  - - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1012

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

msdcsc.exe

Path C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Size 716KB
SHA256 f69c8c59a1231b61f11a39e42cc236624a0d0fef72141a3abfc09af2023e69ef
MD5 69c2485598962af287f9f81bc29e4117
SHA1 db60a2360b068c03b6b5596e06dbad92ddab4939
SHA512 53875dba288d729414f1386e43c0f2332c3d2054279fd57638cf6df3f329a75f25fdbc67a93fda767a6ccd04e8769e7110702530c75ca4fb57da05e927ed3bfa
SSDEEP 12288:DPixQzUlORtk7w7nZDWtA+KGzurODpWh/xitnAmneaYu+LXMEJHCqZTaUuIMO4Dg:Lii4bw7nsvyq4/xithWhX1JQTIODRI/
MD5 SHA1 SHA512 SSDEEP

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memory/1012-30-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-41-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-43-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-42-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-40-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-39-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-23-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-25-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-24-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-28-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-27-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-31-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-38-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-29-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-26-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-32-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-33-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-34-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-35-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-36-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/1012-37-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3436-2-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3436-17-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3436-1-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3436-0-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3436-4-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3436-3-0x0000000000400000-0x00000000004B5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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