Overview

overview

10

Static

static

10

73732a9e25...b4.exe

windows7-x64

10

73732a9e25...b4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 09:07

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General

  • Target

    73732a9e253c1f80825b9fb8ea5fcded94907e6368d6d0b28ea5f45ade729ab4.exe

  • Size

    63KB

  • MD5

    d1dcb18f3781186a95bf7f9c084ae511

  • SHA1

    140678a6122aea97d305499a806448098851dbbd

  • SHA256

    73732a9e253c1f80825b9fb8ea5fcded94907e6368d6d0b28ea5f45ade729ab4

  • SHA512

    e17810dbff395e79295cbef9c1d66000475302305386416651b08152b74f188ca39cac3f7715b2a0a34963c075716521553115ecdcd42c3bd52d56365feafb72

  • SSDEEP

    1536:y62ZBFzTkF7YUbrh9d58mMEugdpqKmY7:y62FzgJYUbrqyGz

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

production-loading.gl.at.ply.gg:48573

Attributes
  • delay

    1

  • install

    true

  • install_file

    svcohost.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\73732a9e253c1f80825b9fb8ea5fcded94907e6368d6d0b28ea5f45ade729ab4.exe
    "C:\Users\Admin\AppData\Local\Temp\73732a9e253c1f80825b9fb8ea5fcded94907e6368d6d0b28ea5f45ade729ab4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svcohost" /tr '"C:\Users\Admin\AppData\Roaming\svcohost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svcohost" /tr '"C:\Users\Admin\AppData\Roaming\svcohost.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3872
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp974E.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3384
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1864
      • C:\Users\Admin\AppData\Roaming\svcohost.exe
        "C:\Users\Admin\AppData\Roaming\svcohost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp974E.tmp.bat
    Filesize

    152B

    MD5

    d46a1e9f3117b56dc51b3b8196a77f15

    SHA1

    222b60085d7890d2abf384c666542591dc63a968

    SHA256

    fbfbab543a4f247a6fb70288833f9c40c1953ba3734993c91b792359900219fd

    SHA512

    f4b0b9503400b337798cbe3a48b7b5d2858da76b7892514e1d926459dbd8aae0881cec53f981c061789dd95844e459d701d32eee743403313dc623c0b27e955e

    Download Submit

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

    63KB

    MD5

    d1dcb18f3781186a95bf7f9c084ae511

    SHA1

    140678a6122aea97d305499a806448098851dbbd

    SHA256

    73732a9e253c1f80825b9fb8ea5fcded94907e6368d6d0b28ea5f45ade729ab4

    SHA512

    e17810dbff395e79295cbef9c1d66000475302305386416651b08152b74f188ca39cac3f7715b2a0a34963c075716521553115ecdcd42c3bd52d56365feafb72

    Download Submit

  • memory/3900-1-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3900-0-0x00007FF8F62D3000-0x00007FF8F62D5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3900-2-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3900-7-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3900-8-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

    Filesize

    10.8MB

    Download