Overview

overview

10

Static

static

10

84912d357a...89.exe

windows7-x64

10

84912d357a...89.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 13:30

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General

  • Target

    84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe

  • Size

    63KB

  • MD5

    8b5d09ffbbfc800578025d9aff31ac68

  • SHA1

    cdeea0a7ffb18502d7cae832a13f6294285904ae

  • SHA256

    84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89

  • SHA512

    a22e73029e4387b70c4242a2beef317b96a32996d523a76580914cd5582b3580f0de9d691aa1e688f74042463f7f8c10c2cd5ce3a3d2b178656c0fd84106a589

  • SSDEEP

    768:spDxI6PfZ778/IC8A+X3uazcBRL5JTk1+T4KSBGHmDbD/ph0oX/CLcCaSuEdpqKX:+62ZBwdSJYUbdh9/tiuEdpqKmY7

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

mode-clusters.gl.at.ply.gg:36304

Attributes
  • delay

    1

  • install

    true

  • install_file

    Defender.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 4 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\84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe
    "C:\Users\Admin\AppData\Local\Temp\84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Defender" /tr '"C:\Users\Admin\AppData\Roaming\Defender.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Defender" /tr '"C:\Users\Admin\AppData\Roaming\Defender.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1860
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA41F.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3936
      • C:\Users\Admin\AppData\Roaming\Defender.exe
        "C:\Users\Admin\AppData\Roaming\Defender.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4040

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA41F.tmp.bat
    Filesize

    152B

    MD5

    602c992f0256fc75811b70485eed9b7a

    SHA1

    cfc6963fc84120b81c2d4e82e471404f9530a1f1

    SHA256

    795cef14111febe358fc39f38dee9dd115c7e0b9a54fa0e7e7cb4258432949e3

    SHA512

    97e7ec1140c8662d2c084f9933611d4151df6d68075e0cc12bca89ae627161ce7635b534eae7156d419a8ebcb5357b35f150a697bc7799e7ef00e1369b08631b

    Download Submit

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

    63KB

    MD5

    8b5d09ffbbfc800578025d9aff31ac68

    SHA1

    cdeea0a7ffb18502d7cae832a13f6294285904ae

    SHA256

    84912d357a09d920ded8c02f0236676f301bd26722ba6ad92165418c007cda89

    SHA512

    a22e73029e4387b70c4242a2beef317b96a32996d523a76580914cd5582b3580f0de9d691aa1e688f74042463f7f8c10c2cd5ce3a3d2b178656c0fd84106a589

    Download Submit

  • memory/4324-0-0x00007FFF10DE3000-0x00007FFF10DE5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4324-1-0x0000000000A70000-0x0000000000A86000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4324-2-0x00007FFF10DE0000-0x00007FFF118A1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4324-7-0x00007FFF10DE0000-0x00007FFF118A1000-memory.dmp

    Filesize

    10.8MB

    Download