darkcomet | 3590943cacd9ee9a9dce2ad06efcb9def7d234680577c49137aa12f38542e328

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 19:18

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General

Target

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Size

756KB
MD5

0ca0e3e648ffcc8a7af6789e0ef965eb
SHA1

dda15d54bbe3050acf7990e67c2edf01ab4b375d
SHA256

3590943cacd9ee9a9dce2ad06efcb9def7d234680577c49137aa12f38542e328
SHA512

f87ba64e8042937252e8da5dd5468d03b79ecfdd582efebece6a911ae0bad6a09335421a9744db1e85ce7c7a8efc4d12bd349fb42574da73d40d779f7925177a
SSDEEP

12288:R9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9EkNC/uvvNVR:LZ1xuVVjfFoynPaVBUR8f+kN10EdOvzR

Score

10^/10

darkcomet chicken persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Chicken

gtdd.no-ip.biz:1105

Mutex

DC_MUTEX-B13T4XC

Attributes

InstallPath
MSDCSC\vhost.exe
gencode
QHay4Gs8uSDT
install
true
offline_keylogger
true
password
11051986
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

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

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\\vhost.exe"	0ca0e3e648ffcc8a7af6789e0ef965eb_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

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

vhost.exe

pid	Process
4668	vhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\vhost.exe"	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vhost.exe

pid	Process
4668	vhost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exevhost.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSecurityPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeBackupPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeRestorePrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeShutdownPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeDebugPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeUndockPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: 33	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: 34	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: 35	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: 36	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4668	vhost.exe
Token: SeSecurityPrivilege	4668	vhost.exe
Token: SeTakeOwnershipPrivilege	4668	vhost.exe
Token: SeLoadDriverPrivilege	4668	vhost.exe
Token: SeSystemProfilePrivilege	4668	vhost.exe
Token: SeSystemtimePrivilege	4668	vhost.exe
Token: SeProfSingleProcessPrivilege	4668	vhost.exe
Token: SeIncBasePriorityPrivilege	4668	vhost.exe
Token: SeCreatePagefilePrivilege	4668	vhost.exe
Token: SeBackupPrivilege	4668	vhost.exe
Token: SeRestorePrivilege	4668	vhost.exe
Token: SeShutdownPrivilege	4668	vhost.exe
Token: SeDebugPrivilege	4668	vhost.exe
Token: SeSystemEnvironmentPrivilege	4668	vhost.exe
Token: SeChangeNotifyPrivilege	4668	vhost.exe
Token: SeRemoteShutdownPrivilege	4668	vhost.exe
Token: SeUndockPrivilege	4668	vhost.exe
Token: SeManageVolumePrivilege	4668	vhost.exe
Token: SeImpersonatePrivilege	4668	vhost.exe
Token: SeCreateGlobalPrivilege	4668	vhost.exe
Token: 33	4668	vhost.exe
Token: 34	4668	vhost.exe
Token: 35	4668	vhost.exe
Token: 36	4668	vhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vhost.exe

pid	Process
4668	vhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2816 wrote to memory of 4668	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe	84
PID 2816 wrote to memory of 4668	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe	84
PID 2816 wrote to memory of 4668	2816	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\Documents\MSDCSC\vhost.exe
  "C:\Users\Admin\Documents\MSDCSC\vhost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4668

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\vhost.exe

Filesize
756KB

MD5
0ca0e3e648ffcc8a7af6789e0ef965eb

SHA1
dda15d54bbe3050acf7990e67c2edf01ab4b375d

SHA256
3590943cacd9ee9a9dce2ad06efcb9def7d234680577c49137aa12f38542e328

SHA512
f87ba64e8042937252e8da5dd5468d03b79ecfdd582efebece6a911ae0bad6a09335421a9744db1e85ce7c7a8efc4d12bd349fb42574da73d40d779f7925177a

Download Submit
memory/2816-14-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2816-0-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/4668-19-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-21-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-16-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-18-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-13-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/4668-20-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-15-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-22-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-23-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-24-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-25-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-26-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-27-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4668-28-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download