Analysis

  • max time kernel
    148s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    15/11/2023, 16:37

General

  • Target

    NEAS.2a318235a7908da2cfacd1711becc3c0da7a23359a98628f6d1fe14a7dd97b70.exe

  • Size

    63KB

  • MD5

    9c65c31fa60a7490db9ac229f88aeaec

  • SHA1

    1165267dfffa7ac1443002fb331fd573d34132ae

  • SHA256

    2a318235a7908da2cfacd1711becc3c0da7a23359a98628f6d1fe14a7dd97b70

  • SHA512

    f18cde1280543d32b442df89edb53420b5b40e1075cd3001bfe255557d9fe70670467e3005e68dc9e4bd0a2835a99bb7850eb4eefc866bb2bdd6dd177292eb61

  • SSDEEP

    1536:ZnQpg/GiDABXOUcbbKwPoGoGfDpqKmY7:Zj/GiDu/cbbKEHgz

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

Test Paid not Crypted

C2

142.202.188.173:9953

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    true

  • install_file

    KDFManager.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\NEAS.2a318235a7908da2cfacd1711becc3c0da7a23359a98628f6d1fe14a7dd97b70.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.2a318235a7908da2cfacd1711becc3c0da7a23359a98628f6d1fe14a7dd97b70.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "KDFManager" /tr '"C:\Users\Admin\AppData\Roaming\KDFManager.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "KDFManager" /tr '"C:\Users\Admin\AppData\Roaming\KDFManager.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:2716
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp6E0F.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2732
      • C:\Users\Admin\AppData\Roaming\KDFManager.exe
        "C:\Users\Admin\AppData\Roaming\KDFManager.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2608

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp6E0F.tmp.bat

          Filesize

          154B

          MD5

          f5f3fbe565bcf372a7cf93e0e9afd1ad

          SHA1

          f3e1523f3d951319cebc998ad0f9a3b456f87ccf

          SHA256

          706839335cdd9a4b7cd7290b872918139584292f37073cf9925679a24b18f704

          SHA512

          b997d41321edbd1ee7d9c0086531eaae022e8a197c34a41ba27f633869f83e1a96b5e50868530a68c96412a6763cbee5ec7faf96939c25b2d79177799b3b8605

        • C:\Users\Admin\AppData\Local\Temp\tmp6E0F.tmp.bat

          Filesize

          154B

          MD5

          f5f3fbe565bcf372a7cf93e0e9afd1ad

          SHA1

          f3e1523f3d951319cebc998ad0f9a3b456f87ccf

          SHA256

          706839335cdd9a4b7cd7290b872918139584292f37073cf9925679a24b18f704

          SHA512

          b997d41321edbd1ee7d9c0086531eaae022e8a197c34a41ba27f633869f83e1a96b5e50868530a68c96412a6763cbee5ec7faf96939c25b2d79177799b3b8605

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

          Filesize

          63KB

          MD5

          9c65c31fa60a7490db9ac229f88aeaec

          SHA1

          1165267dfffa7ac1443002fb331fd573d34132ae

          SHA256

          2a318235a7908da2cfacd1711becc3c0da7a23359a98628f6d1fe14a7dd97b70

          SHA512

          f18cde1280543d32b442df89edb53420b5b40e1075cd3001bfe255557d9fe70670467e3005e68dc9e4bd0a2835a99bb7850eb4eefc866bb2bdd6dd177292eb61

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

          Filesize

          63KB

          MD5

          9c65c31fa60a7490db9ac229f88aeaec

          SHA1

          1165267dfffa7ac1443002fb331fd573d34132ae

          SHA256

          2a318235a7908da2cfacd1711becc3c0da7a23359a98628f6d1fe14a7dd97b70

          SHA512

          f18cde1280543d32b442df89edb53420b5b40e1075cd3001bfe255557d9fe70670467e3005e68dc9e4bd0a2835a99bb7850eb4eefc866bb2bdd6dd177292eb61

        • memory/2136-13-0x0000000077A20000-0x0000000077BC9000-memory.dmp

          Filesize

          1.7MB

        • memory/2136-1-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

          Filesize

          9.9MB

        • memory/2136-3-0x0000000077A20000-0x0000000077BC9000-memory.dmp

          Filesize

          1.7MB

        • memory/2136-12-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

          Filesize

          9.9MB

        • memory/2136-0-0x0000000000290000-0x00000000002A6000-memory.dmp

          Filesize

          88KB

        • memory/2136-2-0x000000001B060000-0x000000001B0E0000-memory.dmp

          Filesize

          512KB

        • memory/2608-18-0x0000000000B60000-0x0000000000B76000-memory.dmp

          Filesize

          88KB

        • memory/2608-19-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp

          Filesize

          9.9MB

        • memory/2608-20-0x000000001A9F0000-0x000000001AA70000-memory.dmp

          Filesize

          512KB

        • memory/2608-21-0x0000000077A20000-0x0000000077BC9000-memory.dmp

          Filesize

          1.7MB

        • memory/2608-22-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp

          Filesize

          9.9MB

        • memory/2608-23-0x000000001A9F0000-0x000000001AA70000-memory.dmp

          Filesize

          512KB

        • memory/2608-24-0x0000000077A20000-0x0000000077BC9000-memory.dmp

          Filesize

          1.7MB