Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2024 21:30

General

  • Target

    2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85.exe

  • Size

    74KB

  • MD5

    6245024bd7965b1bb284f757884f12bb

  • SHA1

    00ee4ce63997cf724ba0548f84723b58cdab7d4c

  • SHA256

    2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85

  • SHA512

    58d6f0e2f32086307112300ae3493ea8d81429c5ced355c0cc3f2d2115db32c2f0cd085cfee5d5ef83d34fc5353348aa6a3b57e468ad8723219ea1198c868935

  • SSDEEP

    1536:pUhgcxnj3CuWPMVjYOUqiWyIJH1b8/VIM72QzcGLVclN:pU+cxnL1WPMVjYOUqL1H1b89f2QfBY

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Wifi

Mutex

prfqgcbkhfyyvkp

Attributes
  • delay

    1

  • install

    true

  • install_file

    System32.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/x5dAqXRm

aes.plain

Signatures

  • AsyncRat

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

  • VenomRAT 3 IoCs

    Detects VenomRAT.

  • Async RAT payload 1 IoCs
  • 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85.exe
    "C:\Users\Admin\AppData\Local\Temp\2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "System32" /tr '"C:\Users\Admin\AppData\Roaming\System32.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "System32" /tr '"C:\Users\Admin\AppData\Roaming\System32.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2848
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpF69E.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2576
      • C:\Users\Admin\AppData\Roaming\System32.exe
        "C:\Users\Admin\AppData\Roaming\System32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF69E.tmp.bat

    Filesize

    152B

    MD5

    814c441d9e64c9db2045eb4db4fda84d

    SHA1

    01533ceea42f69fe3bd07008e11f50a80caf74bb

    SHA256

    8f54dcbd10f415c9763a8c44d7b965033eba5f59d0c78e34b40e7cd235fd2fcd

    SHA512

    f4c9acf1a82dd0b319016b1128be940b513112e7e32286079e4a277791b0394e6885d0067e2095bde3efbc024376deef2f61bfc41035c889d726d2213bdc3100

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

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

  • C:\Users\Admin\AppData\Roaming\System32.exe

    Filesize

    74KB

    MD5

    6245024bd7965b1bb284f757884f12bb

    SHA1

    00ee4ce63997cf724ba0548f84723b58cdab7d4c

    SHA256

    2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85

    SHA512

    58d6f0e2f32086307112300ae3493ea8d81429c5ced355c0cc3f2d2115db32c2f0cd085cfee5d5ef83d34fc5353348aa6a3b57e468ad8723219ea1198c868935

  • memory/2384-0-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

    Filesize

    4KB

  • memory/2384-1-0x00000000002B0000-0x00000000002C8000-memory.dmp

    Filesize

    96KB

  • memory/2384-3-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

    Filesize

    9.9MB

  • memory/2384-11-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

    Filesize

    9.9MB

  • memory/2384-13-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

    Filesize

    9.9MB

  • memory/2716-18-0x0000000000230000-0x0000000000248000-memory.dmp

    Filesize

    96KB