Overview

overview

10

Static

static

10

1234rwe.exe

windows7-x64

10

1234rwe.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • 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
    01-01-2025 11:29

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General

  • Target

    1234rwe.exe

  • Size

    74KB

  • MD5

    f2d0418d8366c6555496da77cccddcee

  • SHA1

    812e7f5741fd7e6ba812eab3b8462b10d0adffbd

  • SHA256

    db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f

  • SHA512

    e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c

  • SSDEEP

    1536:ZUxQcxh31CfGPMVKGggyVIrH1bo/JfO/V9QzcQxLVclN:ZUecxhlEGPMVRggygH1bot2V9QlxBY

Score
10/10
asyncratvenomratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

ytgjjhywchk

Attributes
  • delay

    1

  • install

    true

  • install_file

    RealtekHighDefinitionAudio.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/ZrvsMACD

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
  • 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\1234rwe.exe
    "C:\Users\Admin\AppData\Local\Temp\1234rwe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:64
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1508
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7D95.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2276
      • C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe
        "C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7D95.tmp.bat
    Filesize

    170B

    MD5

    1ab90326434f316ba5bfda528b667002

    SHA1

    23e29c0feb864d9c195e8bb986f9559d4a3c78ec

    SHA256

    46576ddb3b38f920c54be0bbd4a2e8b1842ff9e6790f2706642a529e2128712a

    SHA512

    bb5b99f27b37124671e87520d5539492873ae38d62f18c6a8bd39f925a6f8bf2e1fc2bb22526ad6314b8b479b9b71798c9c6ff7af53843313eed7499a8721c3a

    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\RealtekHighDefinitionAudio.exe
    Filesize

    74KB

    MD5

    f2d0418d8366c6555496da77cccddcee

    SHA1

    812e7f5741fd7e6ba812eab3b8462b10d0adffbd

    SHA256

    db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f

    SHA512

    e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c

    Download Submit

  • memory/64-0-0x00007FFD50683000-0x00007FFD50685000-memory.dmp

    Filesize

    8KB

    Download

  • memory/64-1-0x00000000003A0000-0x00000000003B8000-memory.dmp

    Filesize

    96KB

    Download

  • memory/64-3-0x00007FFD50680000-0x00007FFD51141000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/64-8-0x00007FFD50680000-0x00007FFD51141000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/64-9-0x00007FFD50680000-0x00007FFD51141000-memory.dmp

    Filesize

    10.8MB

    Download