Resubmissions

12-01-2025 12:32

250112-pqp31avlgn 10

11-01-2025 14:25

250111-rrrdkatmhp 3

11-01-2025 14:16

250111-rlb2patlgm 10

General

  • Target

    11012025_1416_Invoice_Payment.exe.iso

  • Size

    1.8MB

  • Sample

    250111-rlb2patlgm

  • MD5

    ff65da034e6eff5d67acdf7c77f7f5de

  • SHA1

    f0e486997b4dd40589af7190dbd6f3f7185026ea

  • SHA256

    12119fcd5a1462c582316f9f907987251c8eea3ea0d8551b8b33b5a22ab0aaa9

  • SHA512

    35490146c9e1c1e626df69fc17911402bc0f8886881811895ec2c6f3fea07bf7fa18b722cdef5f86e12b75274367a51bbb0e20b570ffe207d5b2ef2f154f6991

  • SSDEEP

    49152:25223XesrB/O0APOsBMlWaMCARSuFGKHBWlN:25P3y6lQbRz7qN

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default02

C2

woolingbrin.sytes.net:8747

woolingbrin.sytes.net:7477

87.120.121.160:8747

87.120.121.160:7477

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    15

  • install

    true

  • install_file

    vtc.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Invoice_Payment.exe

    • Size

      1.3MB

    • MD5

      b1ecdaa42fc6ad9401ca1280d72ebe06

    • SHA1

      5610ce51bd1268176e1c87f4eba2399b9306773b

    • SHA256

      05a06ffd09151298fe40ad89b1042276f8166041fb81064060ec8344013bf3c5

    • SHA512

      57e52b040deb2f8e46be5327bff20a93ec520d5712816ddc8251260c94b4fd6e12fb361488f8c01d31f890364a198491d567be5950b441f924a1e3abce3b0d52

    • SSDEEP

      24576:sNA3R5drXPUP3m31yGejSrrB/O0AP1PLJVssMIjnglWGzMuxHVy0kIiWT6geGKH2:t5223XesrB/O0APOsBMlWaMCARSuFGKW

    • AsyncRat

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

    • Asyncrat family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks