darkcomet | 9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/02/2025, 02:18

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General

Target

9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Size

718KB
MD5

0b24ce0108d97bebaf6b7fc8227806b0
SHA1

42024f471677e42b653dc652becb814da3aba8ea
SHA256

9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281
SHA512

eeec681103e82c2c22ac2067a3363cdfda25fad91846e1e36c1bd00166758b490c6a47b8745d3b7f6885a0902bde35a41b366f5aeb2f64bd9f9d304c7a716103
SSDEEP

12288:UA3dAGVnn/jOXuWjfua4exV8ZR4AU3Dx0VUuV9BGfg0vnW+gMB5RHBZxMq/Njno:x3dAG5n/jUuC7xVsRbgDOVrBGo0vXlHd

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16_min

127.0.0.1:1604

Mutex

DCMIN_MUTEX-VQPDBQ3

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
agBvrXCiCZpQ
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"	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe

Executes dropped EXE 2 IoCs

pid	Process
1888	IMDCSC.exe
980	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
1888	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1888 set thread context of 980	1888	IMDCSC.exe	32

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 4 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	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.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	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeSecurityPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeTakeOwnershipPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeLoadDriverPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeSystemProfilePrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeSystemtimePrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeProfSingleProcessPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeIncBasePriorityPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeCreatePagefilePrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeBackupPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeRestorePrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeShutdownPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeDebugPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeSystemEnvironmentPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeChangeNotifyPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeRemoteShutdownPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeUndockPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeManageVolumePrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeImpersonatePrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeCreateGlobalPrivilege	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: 33	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: 34	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: 35	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
Token: SeIncreaseQuotaPrivilege	980	IMDCSC.exe
Token: SeSecurityPrivilege	980	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	980	IMDCSC.exe
Token: SeLoadDriverPrivilege	980	IMDCSC.exe
Token: SeSystemProfilePrivilege	980	IMDCSC.exe
Token: SeSystemtimePrivilege	980	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	980	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	980	IMDCSC.exe
Token: SeCreatePagefilePrivilege	980	IMDCSC.exe
Token: SeBackupPrivilege	980	IMDCSC.exe
Token: SeRestorePrivilege	980	IMDCSC.exe
Token: SeShutdownPrivilege	980	IMDCSC.exe
Token: SeDebugPrivilege	980	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	980	IMDCSC.exe
Token: SeChangeNotifyPrivilege	980	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	980	IMDCSC.exe
Token: SeUndockPrivilege	980	IMDCSC.exe
Token: SeManageVolumePrivilege	980	IMDCSC.exe
Token: SeImpersonatePrivilege	980	IMDCSC.exe
Token: SeCreateGlobalPrivilege	980	IMDCSC.exe
Token: 33	980	IMDCSC.exe
Token: 34	980	IMDCSC.exe
Token: 35	980	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
980	IMDCSC.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1040 wrote to memory of 1924	1040	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	30
PID 1924 wrote to memory of 1888	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	31
PID 1924 wrote to memory of 1888	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	31
PID 1924 wrote to memory of 1888	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	31
PID 1924 wrote to memory of 1888	1924	9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe	31
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32
PID 1888 wrote to memory of 980	1888	IMDCSC.exe	32

C:\Users\Admin\AppData\Local\Temp\9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
"C:\Users\Admin\AppData\Local\Temp\9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe
  "C:\Users\Admin\AppData\Local\Temp\9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281.exe"
  2⤵
  - 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:1924
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1888
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:980

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
718KB

MD5
0b24ce0108d97bebaf6b7fc8227806b0

SHA1
42024f471677e42b653dc652becb814da3aba8ea

SHA256
9c8c9d60f5ff9e6c73c86ac03ef7219890a05021f9cdde8405aa3f6074336281

SHA512
eeec681103e82c2c22ac2067a3363cdfda25fad91846e1e36c1bd00166758b490c6a47b8745d3b7f6885a0902bde35a41b366f5aeb2f64bd9f9d304c7a716103

Download Submit
memory/980-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/980-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/980-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/980-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/980-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/980-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1924-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-14-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/1924-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1924-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1924-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads