darkcomet | ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

Executes dropped EXE 3 IoCs

pid	Process
2840	IMDCSC.exe
2732	IMDCSC.exe
1924	IMDCSC.exe

Loads dropped DLL 1 IoCs

pid	Process
2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.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"	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000016814-27.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2192 set thread context of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2840 set thread context of 2732	2840	IMDCSC.exe	34
PID 2732 set thread context of 1924	2732	IMDCSC.exe	35

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 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSecurityPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeTakeOwnershipPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeLoadDriverPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSystemProfilePrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSystemtimePrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeProfSingleProcessPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeIncBasePriorityPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeCreatePagefilePrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeBackupPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeRestorePrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeShutdownPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeDebugPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeSystemEnvironmentPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeChangeNotifyPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeRemoteShutdownPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeUndockPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeManageVolumePrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeImpersonatePrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeCreateGlobalPrivilege	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: 33	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: 34	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: 35	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
Token: SeIncreaseQuotaPrivilege	1924	IMDCSC.exe
Token: SeSecurityPrivilege	1924	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1924	IMDCSC.exe
Token: SeLoadDriverPrivilege	1924	IMDCSC.exe
Token: SeSystemProfilePrivilege	1924	IMDCSC.exe
Token: SeSystemtimePrivilege	1924	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1924	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1924	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1924	IMDCSC.exe
Token: SeBackupPrivilege	1924	IMDCSC.exe
Token: SeRestorePrivilege	1924	IMDCSC.exe
Token: SeShutdownPrivilege	1924	IMDCSC.exe
Token: SeDebugPrivilege	1924	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1924	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1924	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1924	IMDCSC.exe
Token: SeUndockPrivilege	1924	IMDCSC.exe
Token: SeManageVolumePrivilege	1924	IMDCSC.exe
Token: SeImpersonatePrivilege	1924	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1924	IMDCSC.exe
Token: 33	1924	IMDCSC.exe
Token: 34	1924	IMDCSC.exe
Token: 35	1924	IMDCSC.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
2732	IMDCSC.exe
1924	IMDCSC.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2688 wrote to memory of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2688 wrote to memory of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2688 wrote to memory of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2688 wrote to memory of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2688 wrote to memory of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2688 wrote to memory of 2192	2688	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	31
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2192 wrote to memory of 2736	2192	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	32
PID 2736 wrote to memory of 2840	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	33
PID 2736 wrote to memory of 2840	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	33
PID 2736 wrote to memory of 2840	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	33
PID 2736 wrote to memory of 2840	2736	ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe	33
PID 2840 wrote to memory of 2732	2840	IMDCSC.exe	34
PID 2840 wrote to memory of 2732	2840	IMDCSC.exe	34
PID 2840 wrote to memory of 2732	2840	IMDCSC.exe	34
PID 2840 wrote to memory of 2732	2840	IMDCSC.exe	34
PID 2840 wrote to memory of 2732	2840	IMDCSC.exe	34
PID 2840 wrote to memory of 2732	2840	IMDCSC.exe	34
PID 2840 wrote to memory of 2732	2840	IMDCSC.exe	34
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35
PID 2732 wrote to memory of 1924	2732	IMDCSC.exe	35

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:2688
- 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:2192
- - C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe
    "C:\Users\Admin\AppData\Local\Temp\ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462.exe"
    3⤵
    - 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:2736
  - - 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:2840
    - - 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:2732
      - 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:1924

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
1.3MB

MD5
2551f955c536e60dc4928e243ab2136d

SHA1
ac9602b5f24a097b20fcfdc1e41c6656ab6e5ede

SHA256
ec118b8293d0b1683a004d4156eca929f4651771a8ed3197063107e770d35462

SHA512
b892be40eab009bf22cd92f1b93bb9bbb954585d2e0ebe2cd1001f7bcc80e65e2f0c0f974d1abe23885c0a1b38d8b37f079e21ad64d5ca1dada230e0222e09e1

Download Submit
memory/1924-57-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-61-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-69-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-68-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-67-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-66-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-65-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-64-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-63-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-62-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1924-60-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2192-13-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2192-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2732-59-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2732-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2732-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2732-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2736-19-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2736-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2736-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2736-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2736-33-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2736-24-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads