darkcomet | adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5

Resubmissions

05/02/2025, 07:31

250205-jchtwaxrdr 10

05/02/2025, 07:08

250205-hypnwaxlbn 10

01/10/2022, 22:21

221001-194laabben 10

Analysis

max time kernel
113s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/02/2025, 07:08

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General

Target

adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Size

912KB
MD5

76646fd5ea2d2751ac7b511e779a2bb0
SHA1

6fe54343774059ecd1514f64244ef1c716226764
SHA256

adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5
SHA512

0a680679f345f26e7054a28561043e882a94d4abaff107a129ea3650d241def6ace3e10f8f5743b653ed82582960ca5529c55949cc4684f1a5ac26b2ea305b19
SSDEEP

12288:YFWvfST6ZtZJYSgkNyevrtJNt4wShikgfEYq4wWz0hanJ8/75uKgu8QUjgmN:YKfSTwoSbMivwRhVtuAf8gmN

Score

10^/10

darkcomet opa discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

opa

192.168.178.12:1604

Mutex

DCMIN_MUTEX-210APDH

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
SDmbN4svJlrR
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"	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe

Executes dropped EXE 3 IoCs

pid	Process
2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
1208	IMDCSC.exe
2704	IMDCSC.exe

Loads dropped DLL 3 IoCs

pid	Process
3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 1208 set thread context of 2704	1208	IMDCSC.exe	37

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 10 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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
1208	IMDCSC.exe
1208	IMDCSC.exe
1208	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeSecurityPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeTakeOwnershipPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeLoadDriverPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeSystemProfilePrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeSystemtimePrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeProfSingleProcessPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeIncBasePriorityPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeCreatePagefilePrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeBackupPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeRestorePrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeShutdownPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeDebugPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeSystemEnvironmentPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeChangeNotifyPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeRemoteShutdownPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeUndockPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeManageVolumePrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeImpersonatePrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeCreateGlobalPrivilege	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: 33	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: 34	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: 35	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
Token: SeIncreaseQuotaPrivilege	2704	IMDCSC.exe
Token: SeSecurityPrivilege	2704	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2704	IMDCSC.exe
Token: SeLoadDriverPrivilege	2704	IMDCSC.exe
Token: SeSystemProfilePrivilege	2704	IMDCSC.exe
Token: SeSystemtimePrivilege	2704	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2704	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2704	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2704	IMDCSC.exe
Token: SeBackupPrivilege	2704	IMDCSC.exe
Token: SeRestorePrivilege	2704	IMDCSC.exe
Token: SeShutdownPrivilege	2704	IMDCSC.exe
Token: SeDebugPrivilege	2704	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2704	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2704	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2704	IMDCSC.exe
Token: SeUndockPrivilege	2704	IMDCSC.exe
Token: SeManageVolumePrivilege	2704	IMDCSC.exe
Token: SeImpersonatePrivilege	2704	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2704	IMDCSC.exe
Token: 33	2704	IMDCSC.exe
Token: 34	2704	IMDCSC.exe
Token: 35	2704	IMDCSC.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
1208	IMDCSC.exe
1208	IMDCSC.exe
2704	IMDCSC.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2896	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	30
PID 3064 wrote to memory of 2896	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	30
PID 3064 wrote to memory of 2896	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	30
PID 3064 wrote to memory of 2896	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	30
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 3064 wrote to memory of 2900	3064	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	31
PID 2896 wrote to memory of 2880	2896	cmd.exe	33
PID 2896 wrote to memory of 2880	2896	cmd.exe	33
PID 2896 wrote to memory of 2880	2896	cmd.exe	33
PID 2896 wrote to memory of 2880	2896	cmd.exe	33
PID 2880 wrote to memory of 2716	2880	net.exe	34
PID 2880 wrote to memory of 2716	2880	net.exe	34
PID 2880 wrote to memory of 2716	2880	net.exe	34
PID 2880 wrote to memory of 2716	2880	net.exe	34
PID 2900 wrote to memory of 1208	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	35
PID 2900 wrote to memory of 1208	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	35
PID 2900 wrote to memory of 1208	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	35
PID 2900 wrote to memory of 1208	2900	adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe	35
PID 1208 wrote to memory of 2836	1208	IMDCSC.exe	36
PID 1208 wrote to memory of 2836	1208	IMDCSC.exe	36
PID 1208 wrote to memory of 2836	1208	IMDCSC.exe	36
PID 1208 wrote to memory of 2836	1208	IMDCSC.exe	36
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 1208 wrote to memory of 2704	1208	IMDCSC.exe	37
PID 2836 wrote to memory of 2232	2836	cmd.exe	39
PID 2836 wrote to memory of 2232	2836	cmd.exe	39
PID 2836 wrote to memory of 2232	2836	cmd.exe	39
PID 2836 wrote to memory of 2232	2836	cmd.exe	39
PID 2232 wrote to memory of 2132	2232	net.exe	40
PID 2232 wrote to memory of 2132	2232	net.exe	40
PID 2232 wrote to memory of 2132	2232	net.exe	40
PID 2232 wrote to memory of 2132	2232	net.exe	40

C:\Users\Admin\AppData\Local\Temp\adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
C:\Users\Admin\AppData\Local\Temp\adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe dsrm -subtree -noprompt -c user"http://+:443"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\cmd.exe
  /c net stop MpsSvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\net.exe
    net stop MpsSvc
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop MpsSvc
      4⤵
      System Location Discovery: System Language Discovery
      PID:2716
- C:\Users\Admin\AppData\Local\Temp\adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
  C:\Users\Admin\AppData\Local\Temp\adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2900
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1208
  - - C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2836
    - - C:\Windows\SysWOW64\net.exe
        
        net stop MpsSvc
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2232
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop MpsSvc
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2132
  - - 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:2704

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5.exe

Filesize
912KB

MD5
76646fd5ea2d2751ac7b511e779a2bb0

SHA1
6fe54343774059ecd1514f64244ef1c716226764

SHA256
adca00db81cc70ecc929abd536fcf42b151ae31262161b0d45ccb1fe086efdc5

SHA512
0a680679f345f26e7054a28561043e882a94d4abaff107a129ea3650d241def6ace3e10f8f5743b653ed82582960ca5529c55949cc4684f1a5ac26b2ea305b19

Download Submit
memory/2704-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2704-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2704-60-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2704-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-2-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2900-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3064-0-0x0000000000350000-0x0000000000354000-memory.dmp

Filesize
16KB

Download