darkcomet | 706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277d

Analysis

max time kernel
111s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 12:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Size

304KB
MD5

342bda490672d77622a6917ccecdab20
SHA1

3bb653874418bb2a3666f2ca39710d97b1bfa871
SHA256

706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277d
SHA512

a5d0ab425b723165072ebcfbd65cd05e464a83774dd24a30a10a10654d068006bd06dfc92f1b88010ebd05c4f629a43b18b5331669a1ee9fc8d5f66572dfbe7b
SSDEEP

6144:X2T/3If9vSuNT6woPu7pWil15P0Wrep5h05X/CpNWpyJoNCzh:XQ3ICaEil16Cs5u1974V

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

2.235.168.213:81

Mutex

DCMIN_MUTEX-JSD8YH2

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
7fsLUSe9cMso
install
true
offline_keylogger
true
persistence
false
reg_key
210978

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"	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe

Executes dropped EXE 2 IoCs

pid	Process
4844	IMDCSC.exe
3180	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\210978 = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4252 set thread context of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4844 set thread context of 3180	4844	IMDCSC.exe	85

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1124-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1124-2-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1124-3-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1124-4-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1124-5-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1124-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1124-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3180-39-0x0000000000400000-0x00000000004B7000-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 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	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.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	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeSecurityPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeTakeOwnershipPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeLoadDriverPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeSystemProfilePrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeSystemtimePrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeProfSingleProcessPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeIncBasePriorityPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeCreatePagefilePrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeBackupPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeRestorePrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeShutdownPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeDebugPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeSystemEnvironmentPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeChangeNotifyPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeRemoteShutdownPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeUndockPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeManageVolumePrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeImpersonatePrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeCreateGlobalPrivilege	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: 33	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: 34	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: 35	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: 36	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
Token: SeIncreaseQuotaPrivilege	3180	IMDCSC.exe
Token: SeSecurityPrivilege	3180	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	3180	IMDCSC.exe
Token: SeLoadDriverPrivilege	3180	IMDCSC.exe
Token: SeSystemProfilePrivilege	3180	IMDCSC.exe
Token: SeSystemtimePrivilege	3180	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	3180	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	3180	IMDCSC.exe
Token: SeCreatePagefilePrivilege	3180	IMDCSC.exe
Token: SeBackupPrivilege	3180	IMDCSC.exe
Token: SeRestorePrivilege	3180	IMDCSC.exe
Token: SeShutdownPrivilege	3180	IMDCSC.exe
Token: SeDebugPrivilege	3180	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	3180	IMDCSC.exe
Token: SeChangeNotifyPrivilege	3180	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	3180	IMDCSC.exe
Token: SeUndockPrivilege	3180	IMDCSC.exe
Token: SeManageVolumePrivilege	3180	IMDCSC.exe
Token: SeImpersonatePrivilege	3180	IMDCSC.exe
Token: SeCreateGlobalPrivilege	3180	IMDCSC.exe
Token: 33	3180	IMDCSC.exe
Token: 34	3180	IMDCSC.exe
Token: 35	3180	IMDCSC.exe
Token: 36	3180	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3180	IMDCSC.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 4252 wrote to memory of 1124	4252	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	83
PID 1124 wrote to memory of 4844	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	84
PID 1124 wrote to memory of 4844	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	84
PID 1124 wrote to memory of 4844	1124	706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe	84
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85
PID 4844 wrote to memory of 3180	4844	IMDCSC.exe	85

C:\Users\Admin\AppData\Local\Temp\706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
"C:\Users\Admin\AppData\Local\Temp\706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Users\Admin\AppData\Local\Temp\706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe
  "C:\Users\Admin\AppData\Local\Temp\706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277dN.exe"
  2⤵
  - 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:1124
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4844
  - - 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:3180

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
304KB

MD5
342bda490672d77622a6917ccecdab20

SHA1
3bb653874418bb2a3666f2ca39710d97b1bfa871

SHA256
706846d99683044c8f5fbea2897c007a55c4cbdba64f76a02bfe80ce9fde277d

SHA512
a5d0ab425b723165072ebcfbd65cd05e464a83774dd24a30a10a10654d068006bd06dfc92f1b88010ebd05c4f629a43b18b5331669a1ee9fc8d5f66572dfbe7b

Download Submit
memory/1124-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1124-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1124-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1124-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1124-3-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1124-2-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1124-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3180-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads