darkcomet | 3590943cacd9ee9a9dce2ad06efcb9def7d234680577c49137aa12f38542e328

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

Executes dropped EXE 1 IoCs

Processes:

vhost.exe

pid	Process
1296	vhost.exe

Loads dropped DLL 2 IoCs

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

pid	Process
2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.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-1-5-21-1298544033-3225604241-2703760938-1000\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
1296	vhost.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exevhost.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSecurityPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeBackupPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeRestorePrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeShutdownPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeDebugPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeUndockPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: 33	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: 34	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: 35	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1296	vhost.exe
Token: SeSecurityPrivilege	1296	vhost.exe
Token: SeTakeOwnershipPrivilege	1296	vhost.exe
Token: SeLoadDriverPrivilege	1296	vhost.exe
Token: SeSystemProfilePrivilege	1296	vhost.exe
Token: SeSystemtimePrivilege	1296	vhost.exe
Token: SeProfSingleProcessPrivilege	1296	vhost.exe
Token: SeIncBasePriorityPrivilege	1296	vhost.exe
Token: SeCreatePagefilePrivilege	1296	vhost.exe
Token: SeBackupPrivilege	1296	vhost.exe
Token: SeRestorePrivilege	1296	vhost.exe
Token: SeShutdownPrivilege	1296	vhost.exe
Token: SeDebugPrivilege	1296	vhost.exe
Token: SeSystemEnvironmentPrivilege	1296	vhost.exe
Token: SeChangeNotifyPrivilege	1296	vhost.exe
Token: SeRemoteShutdownPrivilege	1296	vhost.exe
Token: SeUndockPrivilege	1296	vhost.exe
Token: SeManageVolumePrivilege	1296	vhost.exe
Token: SeImpersonatePrivilege	1296	vhost.exe
Token: SeCreateGlobalPrivilege	1296	vhost.exe
Token: 33	1296	vhost.exe
Token: 34	1296	vhost.exe
Token: 35	1296	vhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vhost.exe

pid	Process
1296	vhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2156 wrote to memory of 1296	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe	28
PID 2156 wrote to memory of 1296	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe	28
PID 2156 wrote to memory of 1296	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe	28
PID 2156 wrote to memory of 1296	2156	0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0ca0e3e648ffcc8a7af6789e0ef965eb_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- 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:1296

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
756KB

MD5
0ca0e3e648ffcc8a7af6789e0ef965eb

SHA1
dda15d54bbe3050acf7990e67c2edf01ab4b375d

SHA256
3590943cacd9ee9a9dce2ad06efcb9def7d234680577c49137aa12f38542e328

SHA512
f87ba64e8042937252e8da5dd5468d03b79ecfdd582efebece6a911ae0bad6a09335421a9744db1e85ce7c7a8efc4d12bd349fb42574da73d40d779f7925177a

Download Submit
memory/1296-18-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-15-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-19-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-14-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-20-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-16-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-21-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-27-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-11-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1296-26-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-22-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-23-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-24-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1296-25-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2156-0-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2156-13-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download