Overview

overview

10

Static

static

10

2af7d5d089...cN.exe

windows7-x64

10

2af7d5d089...cN.exe

windows10-2004-x64

10

Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 01:18

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General

  • Target

    2af7d5d089f812c47d5a2f78a1081e23ca061579a40da233ae46c6981fa69bdcN.exe

  • Size

    63KB

  • MD5

    c7f5efd2a8c1ba8678eb175d85f032c0

  • SHA1

    ae8e79408790231a7ad7bc0335fbdc53261734f6

  • SHA256

    2af7d5d089f812c47d5a2f78a1081e23ca061579a40da233ae46c6981fa69bdc

  • SHA512

    5bbe24d5c620afa9d6a7fe944a37f3594a1b50796da5077434871b6437873cc1d97630b8062be10b43d8cf93a5fb0e81698dfead806b3f34fa2e084b86756fd7

  • SSDEEP

    1536:yJNXXlloMdexiOzSeeiIVrGbbXwhpEG2DpqKmY7:yJNXXlloMdeFzLeXGbbX0pCgz

Score
10/10
asyncratvenom clientsrat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

45.84.199.218:1604

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    true

  • install_file

    Client.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • 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 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\2af7d5d089f812c47d5a2f78a1081e23ca061579a40da233ae46c6981fa69bdcN.exe
    "C:\Users\Admin\AppData\Local\Temp\2af7d5d089f812c47d5a2f78a1081e23ca061579a40da233ae46c6981fa69bdcN.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Client" /tr '"C:\Users\Admin\AppData\Roaming\Client.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Client" /tr '"C:\Users\Admin\AppData\Roaming\Client.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3432
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp885A.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4136
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3772
      • C:\Users\Admin\AppData\Roaming\Client.exe
        "C:\Users\Admin\AppData\Roaming\Client.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp885A.tmp.bat
    Filesize

    150B

    MD5

    263c91433a39e56386de3af1ff301f15

    SHA1

    0530cdc7c8b6e46920e68f4494af12d49dcc5184

    SHA256

    961f6b52c8b4d43bdeee6f575a7e7e69f77a38e76fca1498e6fc5c3e2a73c7d9

    SHA512

    354ff4e5b81aa65f21efa24ebbb825c6b422bfa2c7bd45d8ba0454c25faae1aa9bc945b9667e4adcd5b8ca34f8d8249e59540de99bd298c0816797d2c6bef58a

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Client.exe
    Filesize

    63KB

    MD5

    c7f5efd2a8c1ba8678eb175d85f032c0

    SHA1

    ae8e79408790231a7ad7bc0335fbdc53261734f6

    SHA256

    2af7d5d089f812c47d5a2f78a1081e23ca061579a40da233ae46c6981fa69bdc

    SHA512

    5bbe24d5c620afa9d6a7fe944a37f3594a1b50796da5077434871b6437873cc1d97630b8062be10b43d8cf93a5fb0e81698dfead806b3f34fa2e084b86756fd7

    Download Submit

  • memory/3016-0-0x00007FFBCA443000-0x00007FFBCA445000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3016-1-0x0000000000190000-0x00000000001A6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3016-2-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3016-7-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3016-8-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3724-15-0x000000001C710000-0x000000001C786000-memory.dmp

    Filesize

    472KB

    Download

  • memory/3724-16-0x000000001C690000-0x000000001C69E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/3724-17-0x000000001C6C0000-0x000000001C6DE000-memory.dmp

    Filesize

    120KB

    Download

  • memory/3724-18-0x000000001C6A0000-0x000000001C6A8000-memory.dmp

    Filesize

    32KB

    Download