darkcomet | cd3f381433dd4886d5f3f97e5fe533892607e7af5e2b71a44169f13e66860356

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/03/2025, 11:13

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General

Target

JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Size

1.2MB
MD5

8298726dbf7d0470e43921b5414bb42b
SHA1

4170533ffe965c64805defee5d5a73ed5035dbdc
SHA256

cd3f381433dd4886d5f3f97e5fe533892607e7af5e2b71a44169f13e66860356
SHA512

52209827e23a9903f9016a40d9ca443ceec3d5fa6d8f62b04d8157f3af48421b0259ff752adb51d00bde0ed0197640eea65b96734de4e29b0096d461a82e9bd4
SSDEEP

24576:aFEL4p+88d9iyeQWGjiOua2FGixTw2m3rYtQK/cRgOnmq9g6Xu:F4p+xkQNiOuTGYXNtrcOU7m6+

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

mrgenuis.no-ip.org:1604

Mutex

DC_MUTEX-4AFGUJF

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
H4t9vtZlnjHq
install
true
offline_keylogger
true
password
55010914
persistence
false
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\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe

Executes dropped EXE 1 IoCs

pid	Process
2144	msdcsc.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
2144	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 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_8298726dbf7d0470e43921b5414bb42b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
2144	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeSecurityPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeTakeOwnershipPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeLoadDriverPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeSystemProfilePrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeSystemtimePrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeProfSingleProcessPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeIncBasePriorityPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeCreatePagefilePrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeBackupPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeRestorePrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeShutdownPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeDebugPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeSystemEnvironmentPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeChangeNotifyPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeRemoteShutdownPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeUndockPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeManageVolumePrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeImpersonatePrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeCreateGlobalPrivilege	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: 33	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: 34	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: 35	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
Token: SeIncreaseQuotaPrivilege	2144	msdcsc.exe
Token: SeSecurityPrivilege	2144	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2144	msdcsc.exe
Token: SeLoadDriverPrivilege	2144	msdcsc.exe
Token: SeSystemProfilePrivilege	2144	msdcsc.exe
Token: SeSystemtimePrivilege	2144	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2144	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2144	msdcsc.exe
Token: SeCreatePagefilePrivilege	2144	msdcsc.exe
Token: SeBackupPrivilege	2144	msdcsc.exe
Token: SeRestorePrivilege	2144	msdcsc.exe
Token: SeShutdownPrivilege	2144	msdcsc.exe
Token: SeDebugPrivilege	2144	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2144	msdcsc.exe
Token: SeChangeNotifyPrivilege	2144	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2144	msdcsc.exe
Token: SeUndockPrivilege	2144	msdcsc.exe
Token: SeManageVolumePrivilege	2144	msdcsc.exe
Token: SeImpersonatePrivilege	2144	msdcsc.exe
Token: SeCreateGlobalPrivilege	2144	msdcsc.exe
Token: 33	2144	msdcsc.exe
Token: 34	2144	msdcsc.exe
Token: 35	2144	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2144	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2144	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe	28
PID 2160 wrote to memory of 2144	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe	28
PID 2160 wrote to memory of 2144	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe	28
PID 2160 wrote to memory of 2144	2160	JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe	28

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8298726dbf7d0470e43921b5414bb42b.exe"
1⤵
- Modifies WinLogon for persistence
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2144

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe

Filesize
1.2MB

MD5
8298726dbf7d0470e43921b5414bb42b

SHA1
4170533ffe965c64805defee5d5a73ed5035dbdc

SHA256
cd3f381433dd4886d5f3f97e5fe533892607e7af5e2b71a44169f13e66860356

SHA512
52209827e23a9903f9016a40d9ca443ceec3d5fa6d8f62b04d8157f3af48421b0259ff752adb51d00bde0ed0197640eea65b96734de4e29b0096d461a82e9bd4

Download Submit
memory/2144-39-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-37-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-44-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-43-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-42-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-41-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-40-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-28-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-45-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-36-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-38-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-35-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-34-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-46-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-33-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-32-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2144-29-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2160-11-0x00000000032E0000-0x00000000032E1000-memory.dmp

Filesize
4KB

Download
memory/2160-10-0x00000000032E0000-0x00000000032E1000-memory.dmp

Filesize
4KB

Download
memory/2160-24-0x00000000032E0000-0x00000000033E0000-memory.dmp

Filesize
1024KB

Download
memory/2160-31-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2160-25-0x0000000008D90000-0x0000000009000000-memory.dmp

Filesize
2.4MB

Download
memory/2160-26-0x0000000008D90000-0x0000000009000000-memory.dmp

Filesize
2.4MB

Download
memory/2160-14-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2160-12-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download
memory/2160-8-0x00000000032E0000-0x00000000033E0000-memory.dmp

Filesize
1024KB

Download
memory/2160-23-0x0000000000280000-0x00000000002E0000-memory.dmp

Filesize
384KB

Download
memory/2160-1-0x0000000000280000-0x00000000002E0000-memory.dmp

Filesize
384KB

Download
memory/2160-9-0x00000000032E0000-0x00000000033E0000-memory.dmp

Filesize
1024KB

Download
memory/2160-2-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2160-3-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2160-4-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2160-5-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2160-6-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2160-7-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2160-0-0x0000000000400000-0x0000000000670000-memory.dmp

Filesize
2.4MB

Download