darkcomet | ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 02:17

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General

Target

ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Size

1.3MB
MD5

2551f955c536e60dc4928e243ab2136d
SHA1

ac9602b5f24a097b20fcfdc1e41c6656ab6e5ede
SHA256

ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462
SHA512

b892be40eab009bf22cd92f1b93bb9bbb954585d2e0ebe2cd1001f7bcc80e65e2f0c0f974d1abe23885c0a1b38d8b37f079e21ad64d5ca1dada230e0222e09e1
SSDEEP

24576:URmJkcoQricOIQxiZY1ianbPG48TIHm0X8zizW1EIpVP13WDc6ma:xJZoQrbTFZY1ianh8T90XFILoDcxa

Score

10^/10

darkcomet spoof discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

spoof

spoofdns.no-ip.org:1604

Mutex

DCMIN_MUTEX-0R4X7F9

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
q312Ub2N15X4
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
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"	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe

Executes dropped EXE 3 IoCs

pid	Process
4544	IMDCSC.exe
4676	IMDCSC.exe
4416	IMDCSC.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023ba7-23.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4988 set thread context of 2220	4988	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	82
PID 2220 set thread context of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 4544 set thread context of 4676	4544	IMDCSC.exe	94
PID 4676 set thread context of 4416	4676	IMDCSC.exe	95

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 6 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	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSecurityPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeTakeOwnershipPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeLoadDriverPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSystemProfilePrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSystemtimePrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeProfSingleProcessPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeIncBasePriorityPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeCreatePagefilePrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeBackupPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeRestorePrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeShutdownPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeDebugPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSystemEnvironmentPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeChangeNotifyPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeRemoteShutdownPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeUndockPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeManageVolumePrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeImpersonatePrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeCreateGlobalPrivilege	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: 33	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: 34	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: 35	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: 36	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeIncreaseQuotaPrivilege	4416	IMDCSC.exe
Token: SeSecurityPrivilege	4416	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	4416	IMDCSC.exe
Token: SeLoadDriverPrivilege	4416	IMDCSC.exe
Token: SeSystemProfilePrivilege	4416	IMDCSC.exe
Token: SeSystemtimePrivilege	4416	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	4416	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	4416	IMDCSC.exe
Token: SeCreatePagefilePrivilege	4416	IMDCSC.exe
Token: SeBackupPrivilege	4416	IMDCSC.exe
Token: SeRestorePrivilege	4416	IMDCSC.exe
Token: SeShutdownPrivilege	4416	IMDCSC.exe
Token: SeDebugPrivilege	4416	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	4416	IMDCSC.exe
Token: SeChangeNotifyPrivilege	4416	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	4416	IMDCSC.exe
Token: SeUndockPrivilege	4416	IMDCSC.exe
Token: SeManageVolumePrivilege	4416	IMDCSC.exe
Token: SeImpersonatePrivilege	4416	IMDCSC.exe
Token: SeCreateGlobalPrivilege	4416	IMDCSC.exe
Token: 33	4416	IMDCSC.exe
Token: 34	4416	IMDCSC.exe
Token: 35	4416	IMDCSC.exe
Token: 36	4416	IMDCSC.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
4676	IMDCSC.exe
4416	IMDCSC.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 2220	4988	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	82
PID 4988 wrote to memory of 2220	4988	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	82
PID 4988 wrote to memory of 2220	4988	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	82
PID 4988 wrote to memory of 2220	4988	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	82
PID 4988 wrote to memory of 2220	4988	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	82
PID 4988 wrote to memory of 2220	4988	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	82
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2220 wrote to memory of 2696	2220	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	90
PID 2696 wrote to memory of 4544	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	91
PID 2696 wrote to memory of 4544	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	91
PID 2696 wrote to memory of 4544	2696	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	91
PID 4544 wrote to memory of 4676	4544	IMDCSC.exe	94
PID 4544 wrote to memory of 4676	4544	IMDCSC.exe	94
PID 4544 wrote to memory of 4676	4544	IMDCSC.exe	94
PID 4544 wrote to memory of 4676	4544	IMDCSC.exe	94
PID 4544 wrote to memory of 4676	4544	IMDCSC.exe	94
PID 4544 wrote to memory of 4676	4544	IMDCSC.exe	94
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95
PID 4676 wrote to memory of 4416	4676	IMDCSC.exe	95

C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
"C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
  "C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
    "C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Checks computer location settings
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4544
    - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
        
        "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4676
      - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
        
        "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4416

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

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
1.3MB

MD5
2551f955c536e60dc4928e243ab2136d

SHA1
ac9602b5f24a097b20fcfdc1e41c6656ab6e5ede

SHA256
ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462

SHA512
b892be40eab009bf22cd92f1b93bb9bbb954585d2e0ebe2cd1001f7bcc80e65e2f0c0f974d1abe23885c0a1b38d8b37f079e21ad64d5ca1dada230e0222e09e1

Download Submit
memory/2220-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2220-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2220-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2220-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2220-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2220-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2220-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2696-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2696-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2696-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2696-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2696-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2696-29-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-48-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-51-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-56-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-55-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-43-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-47-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-46-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-54-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-49-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-50-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-53-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4416-52-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4676-35-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4676-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4676-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4676-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads