Overview

overview

10

Static

static

10

38312527c8...20.exe

windows7-x64

10

38312527c8...20.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    1s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2024 17:18

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General

  • Target

    38312527c8f936445c85e7ddde36f420.exe

  • Size

    73KB

  • MD5

    38312527c8f936445c85e7ddde36f420

  • SHA1

    725a7f7522e907878eb84456ccb0424332b5cdd6

  • SHA256

    3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb

  • SHA512

    b748a3c76aaeefe29ca856ebbe49b7e316c992af399e6678bb43e0bef297e03cf0144b06cad64a9c46c6a2950e38036a07bd9e3dc23cc67f1b63702153fc38d0

  • SSDEEP

    1536:6aUqAcxVMW7eTmJ9rxjJTkdK4WaxHdSzPMwy/eqmmRhdWVH1bfbCeZkwzUIbVclN:6aUTcxVMW7eiJ9rxjJTkdK4WaP0PMwh6

Score
10/10
asyncratexodusrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Exodus

C2

91.92.255.187:4449

Mutex

ypyertvpyqfr

Attributes
  • delay

    1

  • install

    true

  • install_file

    chromeupdate.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.

  • 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.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38312527c8f936445c85e7ddde36f420.exe
    "C:\Users\Admin\AppData\Local\Temp\38312527c8f936445c85e7ddde36f420.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4600
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4DC2.tmp.bat""
      2⤵
        PID:3328
        • C:\Users\Admin\AppData\Roaming\chromeupdate.exe
          "C:\Users\Admin\AppData\Roaming\chromeupdate.exe"
          3⤵
            PID:864
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "chromeupdate" /tr '"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"' & exit
          2⤵
            PID:3228
        • C:\Windows\system32\timeout.exe
          timeout 3
          1⤵
          • Delays execution with timeout.exe
          PID:4660
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "chromeupdate" /tr '"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"'
          1⤵
          • Creates scheduled task(s)
          PID:968

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Execution

        Scheduled Task/Job

        1
        T1053

        Persistence

        Scheduled Task/Job

        1
        T1053

        Privilege Escalation

        Scheduled Task/Job

        1
        T1053

        Defense Evasion

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Resource Development

        Reconnaissance

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp4DC2.tmp.bat
          Filesize

          156B

          MD5

          dd7505e530bfc8c32155079ec879a969

          SHA1

          22245288547179d544844385161cfba332851f86

          SHA256

          f5a1eb941d9ad98655252ff0285e887e34ef35a636d637d2377ce21d075a6caa

          SHA512

          d8babc5dd71a246347522aca10b62346325365487490cca4acab888591ea6a3f7d8866254ff41a3ae665618dda3d09d47414b798bbdc687b69e4c37c98204e35

          Download Submit
        • memory/864-17-0x000000001B170000-0x000000001B180000-memory.dmp
          Filesize

          64KB

          Download
        • memory/864-16-0x00007FFD58560000-0x00007FFD59021000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/864-18-0x00007FFD58560000-0x00007FFD59021000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/864-19-0x000000001B170000-0x000000001B180000-memory.dmp
          Filesize

          64KB

          Download
        • memory/4600-0-0x00000000008D0000-0x00000000008E8000-memory.dmp
          Filesize

          96KB

          Download
        • memory/4600-3-0x0000000001190000-0x00000000011A0000-memory.dmp
          Filesize

          64KB

          Download
        • memory/4600-2-0x00007FFD58FC0000-0x00007FFD59A81000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/4600-10-0x00007FFD58FC0000-0x00007FFD59A81000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/4600-11-0x00007FFD76F70000-0x00007FFD77165000-memory.dmp
          Filesize

          2.0MB

          Download
        • memory/4600-8-0x00007FFD76F70000-0x00007FFD77165000-memory.dmp
          Filesize

          2.0MB

          Download