Overview

overview

10

Static

static

10

clientfinish.exe

windows7-x64

10

clientfinish.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    132s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 07:01

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General

  • Target

    clientfinish.exe

  • Size

    74KB

  • MD5

    904b56c15b74175ee9ad9cd128dd0c6d

  • SHA1

    97a36639afebb07948f036f83f730b763ce17d97

  • SHA256

    2b2e2be82fc0f29c6c91fa8fa530bce3859a78b22b937645553826c81f7e2852

  • SHA512

    cda12a6c221b5b3641d71838701781498d022b26a62cce749977008b739dfe2839d40dd2823f9fcd2c3dda67153a2524feaaf3df8905b424f2b593de9efb66fd

  • SSDEEP

    1536:PUVgcxaJ5CTWPMVbGuK/IkH1b+1gN6Q3Qzc8+VclN:PUqcxaDAWPMVbGuKBH1b+2NB3Q5kY

Score
10/10
asyncratvenomrattestrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

test

C2

127.0.0.1:4449

127.0.0.1:1177

187.18.72.113:4449

187.18.72.113:1177

189.14.62.242:4449

189.14.62.242:1177

192.168.1.6:4449

192.168.1.6:1177
Mutex

bbyamcmpnabjdr

Attributes
  • delay

    1

  • install

    true

  • install_file

    Services.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Asyncrat family
    asyncrat
  • VenomRAT 2 IoCs

    Detects VenomRAT.

    rat
  • Venomrat family
    venomrat
  • Async RAT payload 1 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\clientfinish.exe
    "C:\Users\Admin\AppData\Local\Temp\clientfinish.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:676
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Services" /tr '"C:\Users\Admin\AppData\Roaming\Services.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3788
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Services" /tr '"C:\Users\Admin\AppData\Roaming\Services.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3784
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7F13.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3140
      • C:\Users\Admin\AppData\Roaming\Services.exe
        "C:\Users\Admin\AppData\Roaming\Services.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7F13.tmp.bat
    Filesize

    152B

    MD5

    bd427dbf913f698d83f75d8e41723f48

    SHA1

    311385f12c53d25edf352a77b2c53c93db56c215

    SHA256

    7843b5272e21cef0d06a7208d0247449cb2bf155735456bea3658584e9f8ca96

    SHA512

    1ee1ef6a10a8cc47b3c6c1c684038fcdd98859d0f7ee965cd66acbd090b6aed461920d2139f781985e8a2184d5eb19f23b3d20b0a6b6baa52e0fe933ed7dd6ce

    Download Submit

  • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Services.exe
    Filesize

    74KB

    MD5

    904b56c15b74175ee9ad9cd128dd0c6d

    SHA1

    97a36639afebb07948f036f83f730b763ce17d97

    SHA256

    2b2e2be82fc0f29c6c91fa8fa530bce3859a78b22b937645553826c81f7e2852

    SHA512

    cda12a6c221b5b3641d71838701781498d022b26a62cce749977008b739dfe2839d40dd2823f9fcd2c3dda67153a2524feaaf3df8905b424f2b593de9efb66fd

    Download Submit

  • memory/676-0-0x00007FFE10CB3000-0x00007FFE10CB5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/676-1-0x0000000000A00000-0x0000000000A18000-memory.dmp

    Filesize

    96KB

    Download

  • memory/676-3-0x00007FFE10CB0000-0x00007FFE11771000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/676-8-0x00007FFE10CB0000-0x00007FFE11771000-memory.dmp

    Filesize

    10.8MB

    Download