darkcomet | 9db2cf1fbaab9fe3fefe30f813c5d436733a6869ef149be578a2eeb13fd0bf47

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/03/2025, 02:33

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General

Target

JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Size

1.1MB
MD5

80eff0b933dbc5e3bb3a6f562a72299a
SHA1

f67e224bb4e099969605988aa8d7fada6ccb6661
SHA256

9db2cf1fbaab9fe3fefe30f813c5d436733a6869ef149be578a2eeb13fd0bf47
SHA512

6214802075cc18c9612ddff992b7b5481b4b08a8db32eca66652d68026a01dbb0f69af43434d09fd1b03bf2f6387d4a9be5aff1000b95277e0b36a4a53fafca9
SSDEEP

24576:XQ4Fe0pxx5cyLzoy4z5LPrMcs5dmYOYFQn1s97QJv8wBr:X/nzbL0zzJsKJS1QJv8wBr

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

192.168.1.103:1604

Mutex

DCMIN_MUTEX-TBC4EQ2

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
iaKuyMwB6ZkU
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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\\Documents\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe

Executes dropped EXE 1 IoCs

pid	Process
1228	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2384-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/files/0x0008000000015d0d-4.dat	upx
behavioral1/memory/1228-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2384-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1228-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1228-21-0x0000000000400000-0x00000000004B7000-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	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeSecurityPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeTakeOwnershipPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeLoadDriverPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeSystemProfilePrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeSystemtimePrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeProfSingleProcessPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeIncBasePriorityPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeCreatePagefilePrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeBackupPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeRestorePrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeShutdownPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeDebugPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeSystemEnvironmentPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeChangeNotifyPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeRemoteShutdownPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeUndockPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeManageVolumePrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeImpersonatePrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeCreateGlobalPrivilege	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: 33	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: 34	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: 35	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
Token: SeIncreaseQuotaPrivilege	1228	IMDCSC.exe
Token: SeSecurityPrivilege	1228	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1228	IMDCSC.exe
Token: SeLoadDriverPrivilege	1228	IMDCSC.exe
Token: SeSystemProfilePrivilege	1228	IMDCSC.exe
Token: SeSystemtimePrivilege	1228	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1228	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1228	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1228	IMDCSC.exe
Token: SeBackupPrivilege	1228	IMDCSC.exe
Token: SeRestorePrivilege	1228	IMDCSC.exe
Token: SeShutdownPrivilege	1228	IMDCSC.exe
Token: SeDebugPrivilege	1228	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1228	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1228	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1228	IMDCSC.exe
Token: SeUndockPrivilege	1228	IMDCSC.exe
Token: SeManageVolumePrivilege	1228	IMDCSC.exe
Token: SeImpersonatePrivilege	1228	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1228	IMDCSC.exe
Token: 33	1228	IMDCSC.exe
Token: 34	1228	IMDCSC.exe
Token: 35	1228	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1228	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1228	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe	28
PID 2384 wrote to memory of 1228	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe	28
PID 2384 wrote to memory of 1228	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe	28
PID 2384 wrote to memory of 1228	2384	JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe	28

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80eff0b933dbc5e3bb3a6f562a72299a.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:2384
- 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:1228

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

\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.1MB

MD5
80eff0b933dbc5e3bb3a6f562a72299a

SHA1
f67e224bb4e099969605988aa8d7fada6ccb6661

SHA256
9db2cf1fbaab9fe3fefe30f813c5d436733a6869ef149be578a2eeb13fd0bf47

SHA512
6214802075cc18c9612ddff992b7b5481b4b08a8db32eca66652d68026a01dbb0f69af43434d09fd1b03bf2f6387d4a9be5aff1000b95277e0b36a4a53fafca9

Download Submit
memory/1228-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1228-14-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1228-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1228-19-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1228-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

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

Filesize
732KB

Download
memory/2384-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2384-11-0x00000000036B0000-0x0000000003767000-memory.dmp

Filesize
732KB

Download
memory/2384-10-0x00000000036B0000-0x0000000003767000-memory.dmp

Filesize
732KB

Download
memory/2384-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads