darkcomet | 5e457722f87508ff07faeaf226e6e48565d11eb0e5b1931f870855a27799e779

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 05:38

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General

Target

JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Size

1020KB
MD5

06fae65926c267cd8aecdc255566e350
SHA1

5d42c742c9cc88f95dd73cbe35b519c8dd775a84
SHA256

5e457722f87508ff07faeaf226e6e48565d11eb0e5b1931f870855a27799e779
SHA512

cb9bd4d855966948f36b7210afaed2686be0fcc5e57100a1024b73cf4eaafa36f68969f5a849670ff23e9e7f646155c0398a46874d5ec26565b5b90685a6d1b9
SSDEEP

24576:YZ1xuVVjfFoynPaVBUR8f+kN10EB5LV1Lqtzwgz:IQDgok30yL2t8Q

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

swagkid31.no-ip.org:1604

Mutex

DC_MUTEX-UBPZ0CD

Attributes

InstallPath
MSJDX\MSIACK.exe
gencode
Bn5v5TsN8eHG
install
true
offline_keylogger
true
persistence
true
reg_key
MSKJHC

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\\AppData\\Local\\Temp\\MSJDX\\MSIACK.exe"	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	MSIACK.exe

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
1864	MSIACK.exe

Loads dropped DLL 2 IoCs

pid	Process
2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSKJHC = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSJDX\\MSIACK.exe"	MSIACK.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSKJHC = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSJDX\\MSIACK.exe"	JaffaCakes118_06fae65926c267cd8aecdc255566e350.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 2 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_06fae65926c267cd8aecdc255566e350.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSIACK.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeSecurityPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeTakeOwnershipPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeLoadDriverPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeSystemProfilePrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeSystemtimePrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeProfSingleProcessPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeIncBasePriorityPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeCreatePagefilePrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeBackupPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeRestorePrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeShutdownPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeDebugPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeSystemEnvironmentPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeChangeNotifyPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeRemoteShutdownPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeUndockPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeManageVolumePrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeImpersonatePrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeCreateGlobalPrivilege	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: 33	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: 34	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: 35	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
Token: SeIncreaseQuotaPrivilege	1864	MSIACK.exe
Token: SeSecurityPrivilege	1864	MSIACK.exe
Token: SeTakeOwnershipPrivilege	1864	MSIACK.exe
Token: SeLoadDriverPrivilege	1864	MSIACK.exe
Token: SeSystemProfilePrivilege	1864	MSIACK.exe
Token: SeSystemtimePrivilege	1864	MSIACK.exe
Token: SeProfSingleProcessPrivilege	1864	MSIACK.exe
Token: SeIncBasePriorityPrivilege	1864	MSIACK.exe
Token: SeCreatePagefilePrivilege	1864	MSIACK.exe
Token: SeBackupPrivilege	1864	MSIACK.exe
Token: SeRestorePrivilege	1864	MSIACK.exe
Token: SeShutdownPrivilege	1864	MSIACK.exe
Token: SeDebugPrivilege	1864	MSIACK.exe
Token: SeSystemEnvironmentPrivilege	1864	MSIACK.exe
Token: SeChangeNotifyPrivilege	1864	MSIACK.exe
Token: SeRemoteShutdownPrivilege	1864	MSIACK.exe
Token: SeUndockPrivilege	1864	MSIACK.exe
Token: SeManageVolumePrivilege	1864	MSIACK.exe
Token: SeImpersonatePrivilege	1864	MSIACK.exe
Token: SeCreateGlobalPrivilege	1864	MSIACK.exe
Token: 33	1864	MSIACK.exe
Token: 34	1864	MSIACK.exe
Token: 35	1864	MSIACK.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1864	MSIACK.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1864	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe	30
PID 2520 wrote to memory of 1864	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe	30
PID 2520 wrote to memory of 1864	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe	30
PID 2520 wrote to memory of 1864	2520	JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06fae65926c267cd8aecdc255566e350.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\MSJDX\MSIACK.exe
  "C:\Users\Admin\AppData\Local\Temp\MSJDX\MSIACK.exe"
  2⤵
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1864

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

C:\Users\Admin\AppData\Local\Temp\MSJDX\MSIACK.exe

Filesize
1020KB

MD5
06fae65926c267cd8aecdc255566e350

SHA1
5d42c742c9cc88f95dd73cbe35b519c8dd775a84

SHA256
5e457722f87508ff07faeaf226e6e48565d11eb0e5b1931f870855a27799e779

SHA512
cb9bd4d855966948f36b7210afaed2686be0fcc5e57100a1024b73cf4eaafa36f68969f5a849670ff23e9e7f646155c0398a46874d5ec26565b5b90685a6d1b9

Download Submit
memory/1864-18-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-15-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-19-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-14-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-20-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-16-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-17-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-21-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-27-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-11-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1864-26-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-22-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-23-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-24-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/1864-25-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download
memory/2520-0-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2520-13-0x0000000000400000-0x000000000050C000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads