Analysis

  • max time kernel
    131s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 08:35

General

  • Target

    audiencia de conciliación extrajudicial 4875851245896325478451245.exe

  • Size

    4.9MB

  • MD5

    6a4bbf3b5eabe3a212c36cf545d80253

  • SHA1

    272837f140e3043de858467c8f7c3492b8d32f0a

  • SHA256

    f092b7606233d1512530c5680b4e4ea17212f24024374bfd96061cd7260a0ffa

  • SHA512

    5150c6b6e1fc127fba794f7f5e0b6ea8d4cfd066e3d0811cd0ff1d8297952db550eb1e47ed0e8109afb172b4dfb573f1c5eec1769164ead98c6737386f5038de

  • SSDEEP

    49152:Kuz9nCckM8wwGbtBiRFWSGqCW4FL5wslsAEL1ksS2NHsF3TjZ1S058qpMfoLI:KuRCwrb64XwWsAwFaFXj8qMQLI

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

dxpam.duckdns.org:5999

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\audiencia de conciliación extrajudicial 4875851245896325478451245.exe
    "C:\Users\Admin\AppData\Local\Temp\audiencia de conciliación extrajudicial 4875851245896325478451245.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:948
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1436,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4388 /prefetch:8
    1⤵
      PID:840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/948-10-0x0000000005E40000-0x00000000063E4000-memory.dmp

      Filesize

      5.6MB

    • memory/948-9-0x00000000057F0000-0x000000000588C000-memory.dmp

      Filesize

      624KB

    • memory/948-15-0x0000000073910000-0x00000000740C0000-memory.dmp

      Filesize

      7.7MB

    • memory/948-14-0x0000000073910000-0x00000000740C0000-memory.dmp

      Filesize

      7.7MB

    • memory/948-4-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/948-13-0x000000007391E000-0x000000007391F000-memory.dmp

      Filesize

      4KB

    • memory/948-12-0x0000000073910000-0x00000000740C0000-memory.dmp

      Filesize

      7.7MB

    • memory/948-7-0x0000000073910000-0x00000000740C0000-memory.dmp

      Filesize

      7.7MB

    • memory/948-6-0x000000007391E000-0x000000007391F000-memory.dmp

      Filesize

      4KB

    • memory/948-11-0x0000000005900000-0x0000000005966000-memory.dmp

      Filesize

      408KB

    • memory/3064-0-0x0000000000400000-0x000000000093A000-memory.dmp

      Filesize

      5.2MB

    • memory/3064-2-0x0000000000416000-0x0000000000430000-memory.dmp

      Filesize

      104KB

    • memory/3064-5-0x0000000000400000-0x000000000093A000-memory.dmp

      Filesize

      5.2MB

    • memory/3064-3-0x0000000000400000-0x000000000093A000-memory.dmp

      Filesize

      5.2MB

    • memory/3064-1-0x0000000000400000-0x000000000093A000-memory.dmp

      Filesize

      5.2MB