General

  • Target

    fv645458456550656894659461646_Pdf (3).uu

  • Size

    697B

  • Sample

    240723-vwwevstdnb

  • MD5

    46a7132a89ee1178c327ba0380f95c3a

  • SHA1

    ce37eea85eff12ef11b8efe45f95bbfa6d2b0eb7

  • SHA256

    003e16179a388b3d84bfb26a3a7d48e2428ab8953ccc69b5b3a26574f71e8872

  • SHA512

    d42040cf79ee2a87b85f200911737317e560bf0e0b1e6c91ff81668d552443ceebbb7b3e091bb79909332e448198ea1196aef88e7a8f21620aca48022e2a98c0

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://firebasestorage.googleapis.com/v0/b/documentos-1b4a9.appspot.com/o/2207.vbs?alt=media&token=29f70419-a771-4403-90c3-30dc64c96114

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://pastebin.com/raw/V9y5Q5vv

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

Default

C2

asyn8097.duckdns.org:8097

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      fv645458456550656894659461646_Pdf.Bat

    • Size

      28KB

    • MD5

      54c9e929aa6ea3e1e5957f9b0aee4e69

    • SHA1

      2c6e7d48b6951f59c4fcddfeb65b0e07e96394ac

    • SHA256

      c210d65973ad42a433a440c7716e92631c14ea6614f628ed0c540fae3b54e991

    • SHA512

      a075910c9707f49a9ffa6673ab2eb29ff3e0c2cabbb521ad7101c999f50bc7bd75b6e49eaa8d7f3d9db109c06bdbb56980b46317a23ed5d7d87dcacdd0e1ce2b

    • SSDEEP

      12:3xzJZ+O2P5g0it981k771o3tkRXFOuHeTgQ1tgQzu0:3x2P5g0i/7ZetYV7QEQzu0

    • AsyncRat

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks