Overview

overview

10

Static

static

10

9d6edb0f6c...b9.exe

windows7-x64

10

9d6edb0f6c...b9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 21:54

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General

  • Target

    9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe

  • Size

    63KB

  • MD5

    36f8df0f89d2db3868cab2ed54d9ea5b

  • SHA1

    5add8dbb1df3d173e59c96949ed99994789511a4

  • SHA256

    9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9

  • SHA512

    638cc72b2bed01014ff109a1a4c95615f9e203be758839f1aa2d5836b9f38bba92867112ae81b939c54b7d231923090b881d276e152eb5095bc00784986a59c5

  • SSDEEP

    768:4q8Puie/G678P/C8A+X6iazcBRL5JTk1+T4KSBGHmDbD/ph0oX1JgUSuMdpqKYhg:4CGLpdSJYUbdh91eTuMdpqKmY7

Score
10/10
asyncratwhonkrat

Malware Config

Extracted

Family

asyncrat

Botnet

whonk

C2

127.0.0.1:8848

127.0.0.1:37532

over-aifare.gl.at.ply.gg:8848

over-aifare.gl.at.ply.gg:37532
Attributes
  • delay

    1

  • install

    true

  • install_file

    system32.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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe
    "C:\Users\Admin\AppData\Local\Temp\9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2272
    • 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:3512
      • 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:3196
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8CFE.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:5008
      • C:\Users\Admin\AppData\Roaming\system32.exe
        "C:\Users\Admin\AppData\Roaming\system32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8CFE.tmp.bat
    Filesize

    152B

    MD5

    6c08e941d6f18b3b41d21a93cb74b787

    SHA1

    9619b152d3ab4cbaf61fc05cf8641c1de025e564

    SHA256

    9d584695501fd3bb307c5174cf1b6d487018cd2280cf751f9085595a2c81aeaf

    SHA512

    db656781e18fabb412bb427d852ce7f6542dfacb99fa1819317509c69ed1473ebe475a7be35e50281e35bae7de4000f637cc6fcc82bcffcaafec49fc3a045546

    Download Submit

  • C:\Users\Admin\AppData\Roaming\system32.exe
    Filesize

    63KB

    MD5

    36f8df0f89d2db3868cab2ed54d9ea5b

    SHA1

    5add8dbb1df3d173e59c96949ed99994789511a4

    SHA256

    9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9

    SHA512

    638cc72b2bed01014ff109a1a4c95615f9e203be758839f1aa2d5836b9f38bba92867112ae81b939c54b7d231923090b881d276e152eb5095bc00784986a59c5

    Download Submit

  • memory/2272-1-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

    Download

  • memory/2272-0-0x00007FFF544B3000-0x00007FFF544B5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2272-2-0x00007FFF544B0000-0x00007FFF54F71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2272-7-0x00007FFF544B0000-0x00007FFF54F71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2272-8-0x00007FFF544B0000-0x00007FFF54F71000-memory.dmp

    Filesize

    10.8MB

    Download