Overview

overview

10

Static

static

10

Client.exe

windows7-x64

10

Client.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 04:48

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General

  • Target

    Client.exe

  • Size

    73KB

  • MD5

    f5f6281bdd8312649df47aa5ff51817b

  • SHA1

    7dbfee0746f5fff27fe4aef4689655bb95ceec9b

  • SHA256

    c01d9f0b0e36df6209dd32216dc5c23732de1ee7c8c5d94532216d1725573ba5

  • SHA512

    5789255bd6d9252fff6b9aa4a3d83f8de3f75f289a1829678b6f425811491b1c6ff749600e5e115e3635105106307a41041aedbaa5bb10e4a7b998440b3fe9b0

  • SSDEEP

    1536:YUN8cxQFvCr6PMVWe9VdQkhDIyH1bf/lOQzcX3VclN:YUOcxQxs6PMVWe9VdQgH1bfNOQilY

Score
10/10
asyncratvenomratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

homiplaglliddnwuc

Attributes
  • delay

    1

  • install

    true

  • install_file

    Adobe Updater.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/8haaGvJp

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 64 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\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Adobe Updater" /tr '"C:\Users\Admin\AppData\Roaming\Adobe Updater.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4932
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Adobe Updater" /tr '"C:\Users\Admin\AppData\Roaming\Adobe Updater.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1060
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp853D.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4048
      • C:\Users\Admin\AppData\Roaming\Adobe Updater.exe
        "C:\Users\Admin\AppData\Roaming\Adobe Updater.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp853D.tmp.bat
    Filesize

    157B

    MD5

    339bf90ab5cf11064002de98f4d7d315

    SHA1

    c301af47026b0927a10d522aefef01cd96b53637

    SHA256

    1dab86ec4ffbc8d9c86b272eb753882ef5e3303185296a878fd6e4cfbdca6269

    SHA512

    2b602ae2bbc5207e6be98eabf698df77a105f8521c9396c4dd0be0017a22937e5a28b7878a8546a931639dfe00f00df511f557c1a31f2b30c803eb4b235c3a7f

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Adobe Updater.exe
    Filesize

    73KB

    MD5

    f5f6281bdd8312649df47aa5ff51817b

    SHA1

    7dbfee0746f5fff27fe4aef4689655bb95ceec9b

    SHA256

    c01d9f0b0e36df6209dd32216dc5c23732de1ee7c8c5d94532216d1725573ba5

    SHA512

    5789255bd6d9252fff6b9aa4a3d83f8de3f75f289a1829678b6f425811491b1c6ff749600e5e115e3635105106307a41041aedbaa5bb10e4a7b998440b3fe9b0

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

  • memory/5064-0-0x00007FFE00F33000-0x00007FFE00F35000-memory.dmp

    Filesize

    8KB

    Download

  • memory/5064-1-0x00000000004B0000-0x00000000004C6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/5064-3-0x00007FFE00F30000-0x00007FFE019F1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/5064-9-0x00007FFE00F30000-0x00007FFE019F1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/5064-8-0x00007FFE00F30000-0x00007FFE019F1000-memory.dmp

    Filesize

    10.8MB

    Download