Overview

overview

10

Static

static

10

f396605e7a...c7.exe

windows7-x64

10

f396605e7a...c7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    134s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 19:08

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General

  • Target

    f396605e7a50772fd0242a38a77ed525cd51f1d226117893193b0d4a67d5a2c7.exe

  • Size

    74KB

  • MD5

    3375f15f1b089ac7a6208e668875b167

  • SHA1

    dc24a6b9d1b2c38b65cd6bab2288def8cf5b098b

  • SHA256

    f396605e7a50772fd0242a38a77ed525cd51f1d226117893193b0d4a67d5a2c7

  • SHA512

    b61b9b53116e6c504f0e568421473720ca65d08f9a9d0e062eab6260bd1bf8a39df5c0ebe45c0663731ee23770a208e36506c30c2f107641223c366a1d55608f

  • SSDEEP

    1536:UUqAcxOIWC72PMV+e9VdQuDIqH1bd/9+wGQzcOLVclN:UUTcxONo2PMV+e9VdQ4H1bdoQHBY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

80.253.246.53:2000

Mutex

ghnogqnqsw

Attributes
  • delay

    1

  • install

    true

  • install_file

    SystemUpdate.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 30 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\f396605e7a50772fd0242a38a77ed525cd51f1d226117893193b0d4a67d5a2c7.exe
    "C:\Users\Admin\AppData\Local\Temp\f396605e7a50772fd0242a38a77ed525cd51f1d226117893193b0d4a67d5a2c7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "SystemUpdate" /tr '"C:\Users\Admin\AppData\Roaming\SystemUpdate.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "SystemUpdate" /tr '"C:\Users\Admin\AppData\Roaming\SystemUpdate.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3596
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9124.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3532
      • C:\Users\Admin\AppData\Roaming\SystemUpdate.exe
        "C:\Users\Admin\AppData\Roaming\SystemUpdate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9124.tmp.bat
    Filesize

    156B

    MD5

    d52202d5ca0eec02434dafca9499dd22

    SHA1

    41670ae176aa07909dd285aaeab402e6899e4bf6

    SHA256

    fb3a91908b44582de76724dc0a01354a506d6426ff1ade94dfd190cd5b24c8e6

    SHA512

    dd35fe3b29dd2e0008f94467c246d6a84ea87130fad6ffe0ae91c4e38d78b1d8a550c55297f1d01d01bc6e05cfdea575f83716535722245992807222958ad849

    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\SystemUpdate.exe
    Filesize

    74KB

    MD5

    3375f15f1b089ac7a6208e668875b167

    SHA1

    dc24a6b9d1b2c38b65cd6bab2288def8cf5b098b

    SHA256

    f396605e7a50772fd0242a38a77ed525cd51f1d226117893193b0d4a67d5a2c7

    SHA512

    b61b9b53116e6c504f0e568421473720ca65d08f9a9d0e062eab6260bd1bf8a39df5c0ebe45c0663731ee23770a208e36506c30c2f107641223c366a1d55608f

    Download Submit

  • memory/4608-0-0x00007FFFB7D93000-0x00007FFFB7D95000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4608-1-0x0000000000140000-0x0000000000158000-memory.dmp

    Filesize

    96KB

    Download

  • memory/4608-3-0x00007FFFB7D90000-0x00007FFFB8851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4608-8-0x00007FFFB7D90000-0x00007FFFB8851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4608-10-0x00007FFFB7D90000-0x00007FFFB8851000-memory.dmp

    Filesize

    10.8MB

    Download