darkcomet | ef5cbaaa9328dc0a0e87f7f0a32c053a66fc3a81fa02a81ea98fd29f5d868017

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
16-10-2024 19:10

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General

Target

4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Size

658KB
MD5

4e89358ff1981442e21e143b816779d9
SHA1

729314daf2af598ac8d6b038c390f122fc497cea
SHA256

ef5cbaaa9328dc0a0e87f7f0a32c053a66fc3a81fa02a81ea98fd29f5d868017
SHA512

9a040eb219d7e4d94d39ab2d6cc762d7337e6470b1a82bf0d9e653c5cac88a3f88109b0d06f26c4d875528b305a8cd3abec1fc564c789100edff540900ead907
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hg:+Z1xuVVjfFoynPaVBUR8f+kN10EBK

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

soulhaunter.no-ip.biz:1604

Mutex

DC_MUTEX-UGYLFJH

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
78faR6tToLGk
install
true
offline_keylogger
true
persistence
false
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\\Documents\\MSDCSC\\msdcsc.exe"	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1624	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	4e89358ff1981442e21e143b816779d9_JaffaCakes118.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	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeSecurityPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeBackupPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeRestorePrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeShutdownPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeDebugPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeUndockPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: 33	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: 34	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: 35	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1624	msdcsc.exe
Token: SeSecurityPrivilege	1624	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1624	msdcsc.exe
Token: SeLoadDriverPrivilege	1624	msdcsc.exe
Token: SeSystemProfilePrivilege	1624	msdcsc.exe
Token: SeSystemtimePrivilege	1624	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1624	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1624	msdcsc.exe
Token: SeCreatePagefilePrivilege	1624	msdcsc.exe
Token: SeBackupPrivilege	1624	msdcsc.exe
Token: SeRestorePrivilege	1624	msdcsc.exe
Token: SeShutdownPrivilege	1624	msdcsc.exe
Token: SeDebugPrivilege	1624	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1624	msdcsc.exe
Token: SeChangeNotifyPrivilege	1624	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1624	msdcsc.exe
Token: SeUndockPrivilege	1624	msdcsc.exe
Token: SeManageVolumePrivilege	1624	msdcsc.exe
Token: SeImpersonatePrivilege	1624	msdcsc.exe
Token: SeCreateGlobalPrivilege	1624	msdcsc.exe
Token: 33	1624	msdcsc.exe
Token: 34	1624	msdcsc.exe
Token: 35	1624	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1624	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 1624	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe	30
PID 1904 wrote to memory of 1624	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe	30
PID 1904 wrote to memory of 1624	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe	30
PID 1904 wrote to memory of 1624	1904	4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\4e89358ff1981442e21e143b816779d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4e89358ff1981442e21e143b816779d9_JaffaCakes118.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:1904
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1624

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\Documents\MSDCSC\msdcsc.exe

Filesize
658KB

MD5
4e89358ff1981442e21e143b816779d9

SHA1
729314daf2af598ac8d6b038c390f122fc497cea

SHA256
ef5cbaaa9328dc0a0e87f7f0a32c053a66fc3a81fa02a81ea98fd29f5d868017

SHA512
9a040eb219d7e4d94d39ab2d6cc762d7337e6470b1a82bf0d9e653c5cac88a3f88109b0d06f26c4d875528b305a8cd3abec1fc564c789100edff540900ead907

Download Submit
memory/1624-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1624-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-11-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1624-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1624-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads