Overview

overview

10

Static

static

10

b54ef8ac8e...0N.exe

windows7-x64

10

b54ef8ac8e...0N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 14:38

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General

  • Target

    b54ef8ac8ecfa2d80f93b5e1879698d0N.exe

  • Size

    74KB

  • MD5

    b54ef8ac8ecfa2d80f93b5e1879698d0

  • SHA1

    d8c1bd05811a1aa7066d805bd960332da7453779

  • SHA256

    27e4420898f6be2d293cbff0627af44eaeb38fc0979928617fea34dd3545f988

  • SHA512

    e97420a664a9b213a2e9f9ef1e3600cf5768198b91f3a0733268e0226c3bab7a3bc9f1ac02de08d9b619534b83400fd997d9b3801857a4c9ee046fdb6159b45a

  • SSDEEP

    1536:YUi8cxxT6hC1bX6PMV2TpqLiII5H1bALzsTQzcmLVclN:YUTcxxT8obX6PMVKx3H1bAvGQ/BY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

192.168.56.1:30120

Mutex

WWWWWWWWWWWWWWWWWWWWWWWWWWW

Attributes
  • delay

    1

  • install

    true

  • install_file

    WWWWWWWWWWWWWWWWW.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • VenomRAT 2 IoCs

    Detects VenomRAT.

    rat
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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\b54ef8ac8ecfa2d80f93b5e1879698d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\b54ef8ac8ecfa2d80f93b5e1879698d0N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WWWWWWWWWWWWWWWWW" /tr '"C:\Users\Admin\AppData\Roaming\WWWWWWWWWWWWWWWWW.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:376
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "WWWWWWWWWWWWWWWWW" /tr '"C:\Users\Admin\AppData\Roaming\WWWWWWWWWWWWWWWWW.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1656
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8637.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3276
      • C:\Users\Admin\AppData\Roaming\WWWWWWWWWWWWWWWWW.exe
        "C:\Users\Admin\AppData\Roaming\WWWWWWWWWWWWWWWWW.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8637.tmp.bat
    Filesize

    161B

    MD5

    0169284c30ef9c56eb81f45afa7579f9

    SHA1

    cf1c074cd968330fe4695de3fe91cca902d25605

    SHA256

    25724b6f886d16b53510d7391d206c17bf720a56fe2bec780275a3a371eef1d1

    SHA512

    35ff9ffa19d6d88d418204df49e97ac5fb4616fc0332d46ef6bbdc3ec22b775afd4c5a723b207ad05f4af89a8773b4c0bbadb5680e646b150562f9b1360c0d0f

    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\WWWWWWWWWWWWWWWWW.exe
    Filesize

    74KB

    MD5

    b54ef8ac8ecfa2d80f93b5e1879698d0

    SHA1

    d8c1bd05811a1aa7066d805bd960332da7453779

    SHA256

    27e4420898f6be2d293cbff0627af44eaeb38fc0979928617fea34dd3545f988

    SHA512

    e97420a664a9b213a2e9f9ef1e3600cf5768198b91f3a0733268e0226c3bab7a3bc9f1ac02de08d9b619534b83400fd997d9b3801857a4c9ee046fdb6159b45a

    Download Submit

  • memory/4232-0-0x00007FF9A3A93000-0x00007FF9A3A95000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4232-1-0x00000000009F0000-0x0000000000A08000-memory.dmp

    Filesize

    96KB

    Download

  • memory/4232-3-0x00007FF9A3A90000-0x00007FF9A4551000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4232-8-0x00007FF9A3A90000-0x00007FF9A4551000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4232-9-0x00007FF9A3A90000-0x00007FF9A4551000-memory.dmp

    Filesize

    10.8MB

    Download