darkcomet | af97622564e18452b6a6ab896330c40c69d36a08befdba80ac4411a5d1bb6103

Analysis

max time kernel
141s
max time network
142s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 15:18

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General

Target

JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Size

658KB
MD5

660dc2b9b04d63322e98ab6408945c46
SHA1

219c0cfc89ffb716520e497738661e91d4c44ab7
SHA256

af97622564e18452b6a6ab896330c40c69d36a08befdba80ac4411a5d1bb6103
SHA512

15cfa2b534866f3592c93d46c3d4f3174c36a1e3180df5a262f881b35d9a0b4ba42c318eeadfd76a174e5db302d65238ee1ea5e7fdbf4602632be1d009bffd91
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h3:eZ1xuVVjfFoynPaVBUR8f+kN10EBJ

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

activixonlf.no-ip.org:1604

Mutex

DCMIN_MUTEX-24Z0YK7

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
yuhCRkEY8men
install
true
offline_keylogger
true
persistence
false
reg_key
k

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\\Local\\Temp\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\k = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.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_660dc2b9b04d63322e98ab6408945c46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeSecurityPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeTakeOwnershipPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeLoadDriverPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeSystemProfilePrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeSystemtimePrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeProfSingleProcessPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeIncBasePriorityPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeCreatePagefilePrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeBackupPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeRestorePrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeShutdownPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeDebugPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeSystemEnvironmentPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeChangeNotifyPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeRemoteShutdownPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeUndockPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeManageVolumePrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeImpersonatePrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeCreateGlobalPrivilege	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: 33	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: 34	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: 35	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
Token: SeIncreaseQuotaPrivilege	2876	IMDCSC.exe
Token: SeSecurityPrivilege	2876	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2876	IMDCSC.exe
Token: SeLoadDriverPrivilege	2876	IMDCSC.exe
Token: SeSystemProfilePrivilege	2876	IMDCSC.exe
Token: SeSystemtimePrivilege	2876	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2876	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2876	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2876	IMDCSC.exe
Token: SeBackupPrivilege	2876	IMDCSC.exe
Token: SeRestorePrivilege	2876	IMDCSC.exe
Token: SeShutdownPrivilege	2876	IMDCSC.exe
Token: SeDebugPrivilege	2876	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2876	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2876	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2876	IMDCSC.exe
Token: SeUndockPrivilege	2876	IMDCSC.exe
Token: SeManageVolumePrivilege	2876	IMDCSC.exe
Token: SeImpersonatePrivilege	2876	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2876	IMDCSC.exe
Token: 33	2876	IMDCSC.exe
Token: 34	2876	IMDCSC.exe
Token: 35	2876	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2876	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2876	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe	30
PID 2596 wrote to memory of 2876	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe	30
PID 2596 wrote to memory of 2876	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe	30
PID 2596 wrote to memory of 2876	2596	JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_660dc2b9b04d63322e98ab6408945c46.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:2596
- C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2876

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\AppData\Local\Temp\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
660dc2b9b04d63322e98ab6408945c46

SHA1
219c0cfc89ffb716520e497738661e91d4c44ab7

SHA256
af97622564e18452b6a6ab896330c40c69d36a08befdba80ac4411a5d1bb6103

SHA512
15cfa2b534866f3592c93d46c3d4f3174c36a1e3180df5a262f881b35d9a0b4ba42c318eeadfd76a174e5db302d65238ee1ea5e7fdbf4602632be1d009bffd91

Download Submit
memory/2596-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2596-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2876-10-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2876-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2876-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads