darkcomet | 42dd23675ae85659757795d4ca8d5ff54422aab724af89813c9d24258d91b46a

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 08:09

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General

Target

fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Size

232KB
MD5

fbdd0bbcbdf16964a092971c237d31a9
SHA1

c7403c0c5e87f1b8f93258afb90e703aa65a86dc
SHA256

42dd23675ae85659757795d4ca8d5ff54422aab724af89813c9d24258d91b46a
SHA512

8ade71e7a03d78a9e19759a536328ca87a339b65197daf99464cfa97cca58a6b8512b7802e6dfe11aa8dbefb5763f203cf8f69f27029740cfd2ef558fc8a86fb
SSDEEP

6144:2noIBzQUSMRYw7bPJyP6I+D75cue/Yunq7DUFioS:CoIBzQov7j84D75e/67poS

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

corenet.bounceme.net:1604

Mutex

DCMIN_MUTEX-JFUGC33

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
09tYsyRk0WC2
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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\\DCSCMIN\\IMDCSC.exe"	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
2524	fbdd0bbcbdf16964a092971c237d31a9_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\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe

UPX packed file 20 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2524-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2524-10-0x0000000003730000-0x00000000037E7000-memory.dmp	upx
behavioral1/files/0x0008000000016d18-8.dat	upx
behavioral1/memory/2384-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2524-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeSecurityPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeBackupPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeRestorePrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeShutdownPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeDebugPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeUndockPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: 33	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: 34	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: 35	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2384	IMDCSC.exe
Token: SeSecurityPrivilege	2384	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2384	IMDCSC.exe
Token: SeLoadDriverPrivilege	2384	IMDCSC.exe
Token: SeSystemProfilePrivilege	2384	IMDCSC.exe
Token: SeSystemtimePrivilege	2384	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2384	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2384	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2384	IMDCSC.exe
Token: SeBackupPrivilege	2384	IMDCSC.exe
Token: SeRestorePrivilege	2384	IMDCSC.exe
Token: SeShutdownPrivilege	2384	IMDCSC.exe
Token: SeDebugPrivilege	2384	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2384	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2384	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2384	IMDCSC.exe
Token: SeUndockPrivilege	2384	IMDCSC.exe
Token: SeManageVolumePrivilege	2384	IMDCSC.exe
Token: SeImpersonatePrivilege	2384	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2384	IMDCSC.exe
Token: 33	2384	IMDCSC.exe
Token: 34	2384	IMDCSC.exe
Token: 35	2384	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2384	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2384	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2384	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2384	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2384	2524	fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\fbdd0bbcbdf16964a092971c237d31a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fbdd0bbcbdf16964a092971c237d31a9_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:2524
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2384

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\Documents\DCSCMIN\IMDCSC.exe

Filesize
232KB

MD5
fbdd0bbcbdf16964a092971c237d31a9

SHA1
c7403c0c5e87f1b8f93258afb90e703aa65a86dc

SHA256
42dd23675ae85659757795d4ca8d5ff54422aab724af89813c9d24258d91b46a

SHA512
8ade71e7a03d78a9e19759a536328ca87a339b65197daf99464cfa97cca58a6b8512b7802e6dfe11aa8dbefb5763f203cf8f69f27029740cfd2ef558fc8a86fb

Download Submit
memory/2384-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-14-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2384-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2384-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2524-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2524-1-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2524-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2524-10-0x0000000003730000-0x00000000037E7000-memory.dmp

Filesize
732KB

Download
memory/2524-11-0x0000000003730000-0x00000000037E7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads