General

  • Target

    Aircraft PN#_Desc_&_Qty Details.vbs

  • Size

    2.7MB

  • Sample

    240820-xx7wdssfkr

  • MD5

    b6a6e732e7843e8af8468793eaaa294f

  • SHA1

    4de793698450915e784e3a7f9df99b5b74241979

  • SHA256

    43a46c8866fdd9b7fb23d0d2ab7a2676f0637333e500cf4e32ae3bc0b88028ae

  • SHA512

    e37f804bb9020e51ac1ba8381aeda15ad5a2dde6ac875478fe0c5e6d3dbcebc38b6ee752604b21174b8198752219ed98e4bd423a0c24e1fa541d2d18c89b6e24

  • SSDEEP

    768:pddddduddddddddduddddddddduddddddddduddddddddduddddddddduddddddo:TVKgi

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://bitbucket.org/556ghfhgfhgf/fdsfdsf/downloads/dllhope.txt

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Putty

C2

krecgh.4cloud.click:6943

Mutex

OjZL4DoWlVCn

Attributes
  • delay

    3

  • install

    false

  • install_file

    Automatic Settings.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Aircraft PN#_Desc_&_Qty Details.vbs

    • Size

      2.7MB

    • MD5

      b6a6e732e7843e8af8468793eaaa294f

    • SHA1

      4de793698450915e784e3a7f9df99b5b74241979

    • SHA256

      43a46c8866fdd9b7fb23d0d2ab7a2676f0637333e500cf4e32ae3bc0b88028ae

    • SHA512

      e37f804bb9020e51ac1ba8381aeda15ad5a2dde6ac875478fe0c5e6d3dbcebc38b6ee752604b21174b8198752219ed98e4bd423a0c24e1fa541d2d18c89b6e24

    • SSDEEP

      768:pddddduddddddddduddddddddduddddddddduddddddddduddddddddduddddddo:TVKgi

    • AsyncRat

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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks