darkcomet | 2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/02/2025, 21:05

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General

Target

2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
Size

520KB
MD5

2f77c304e81533f8380275e5377c112b
SHA1

68716a22f7f17fe9d3bd085d1b8e79ef978b001f
SHA256

2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc
SHA512

fb5c686ee15d66898f4f2772cf38d2f2ec4560a6a7670ce3f779c4c3865882a70fed1e91d4331f2029d323c5e9e902f0127d19e81c4f0d78d9d4a4caa6a2865a
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbA:f9fC3hh29Ya77A90aFtDfT5IMbA

Score

10^/10

darkcomet privateeye discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Executes dropped EXE 3 IoCs

pid	Process
2724	winupd.exe
2736	winupd.exe
2780	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
1012	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
1012	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
2724	winupd.exe
2724	winupd.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 2724 set thread context of 2736	2724	winupd.exe	32
PID 2724 set thread context of 2780	2724	winupd.exe	33

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2780-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2780-96-0x0000000000400000-0x00000000004B7000-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 8 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	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2652	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
788	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2780	winupd.exe
Token: SeSecurityPrivilege	2780	winupd.exe
Token: SeTakeOwnershipPrivilege	2780	winupd.exe
Token: SeLoadDriverPrivilege	2780	winupd.exe
Token: SeSystemProfilePrivilege	2780	winupd.exe
Token: SeSystemtimePrivilege	2780	winupd.exe
Token: SeProfSingleProcessPrivilege	2780	winupd.exe
Token: SeIncBasePriorityPrivilege	2780	winupd.exe
Token: SeCreatePagefilePrivilege	2780	winupd.exe
Token: SeBackupPrivilege	2780	winupd.exe
Token: SeRestorePrivilege	2780	winupd.exe
Token: SeShutdownPrivilege	2780	winupd.exe
Token: SeDebugPrivilege	2780	winupd.exe
Token: SeSystemEnvironmentPrivilege	2780	winupd.exe
Token: SeChangeNotifyPrivilege	2780	winupd.exe
Token: SeRemoteShutdownPrivilege	2780	winupd.exe
Token: SeUndockPrivilege	2780	winupd.exe
Token: SeManageVolumePrivilege	2780	winupd.exe
Token: SeImpersonatePrivilege	2780	winupd.exe
Token: SeCreateGlobalPrivilege	2780	winupd.exe
Token: 33	2780	winupd.exe
Token: 34	2780	winupd.exe
Token: 35	2780	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
1012	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
2724	winupd.exe
2736	winupd.exe
2780	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1752 wrote to memory of 1012	1752	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	30
PID 1012 wrote to memory of 2724	1012	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	31
PID 1012 wrote to memory of 2724	1012	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	31
PID 1012 wrote to memory of 2724	1012	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	31
PID 1012 wrote to memory of 2724	1012	2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe	31
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2736	2724	winupd.exe	32
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2724 wrote to memory of 2780	2724	winupd.exe	33
PID 2736 wrote to memory of 2652	2736	winupd.exe	34
PID 2736 wrote to memory of 2652	2736	winupd.exe	34
PID 2736 wrote to memory of 2652	2736	winupd.exe	34
PID 2736 wrote to memory of 2652	2736	winupd.exe	34
PID 2736 wrote to memory of 2652	2736	winupd.exe	34
PID 2736 wrote to memory of 2652	2736	winupd.exe	34
PID 2652 wrote to memory of 2356	2652	ipconfig.exe	36
PID 2652 wrote to memory of 2356	2652	ipconfig.exe	36
PID 2652 wrote to memory of 2356	2652	ipconfig.exe	36
PID 2652 wrote to memory of 2356	2652	ipconfig.exe	36
PID 2356 wrote to memory of 788	2356	cmd.exe	38
PID 2356 wrote to memory of 788	2356	cmd.exe	38
PID 2356 wrote to memory of 788	2356	cmd.exe	38
PID 2356 wrote to memory of 788	2356	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
"C:\Users\Admin\AppData\Local\Temp\2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe
  "C:\Users\Admin\AppData\Local\Temp\2414bd38a2d0487be1f1a047dbb42353258489bf7a2768cb4ddd6527a85087bc.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2736
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2652
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\TWLFELUK.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2356
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:788
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

C:\Users\Admin\AppData\Local\Temp\TWLFELUK.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
bbf385cd9a8f054d77d9227e33d35322

SHA1
0afdc4247efedd8a0eaa1e7f5da8a46554e5cadd

SHA256
96fa384d9868588fc97e8ceb0d72272288347c648d9df01a23722d68ab519f6f

SHA512
d71bd54cac7a1498bc75bdb4df138bc269f25d01ed376326f22bca5e0c08d45277b2a9ee49c2fd99eb9db30e166eb5f60672a78df027da01619d7be37a989e70

Download Submit
memory/1012-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1012-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1012-19-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1012-66-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1012-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1012-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1752-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1752-15-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1752-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1752-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2652-70-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2724-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2724-62-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2724-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2736-79-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2780-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2780-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads