General

  • Target

    IChanger.exe

  • Size

    2.6MB

  • Sample

    241021-ykgn4svdjk

  • MD5

    de70283085ca45f6b19bc3beb373e970

  • SHA1

    30bcdfc110d03006ba0efd89def64628d2715ead

  • SHA256

    e828e2b51c2c5412e66a660792ef393ce52c8e31d41d9c1adcac81367728fea6

  • SHA512

    0e32b346714cf244e24ce0e6515e558c7a29157304e24f14d44ff3488486c19f9f0403fddb48dc6e95a3489eca503697d16c7e0e8e76d0e84264522af3e6d2c1

  • SSDEEP

    49152:vG4DuZSgBVz68epmUAJWrrQiODZXHBdG:e7paboUS1dX3G

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7510720859:AAHJ07lkxNWZwwJs6SC36WS0jVG9IR6m3pM/sendMessage?chat_id=6059920057

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      IChanger.exe

    • Size

      2.6MB

    • MD5

      de70283085ca45f6b19bc3beb373e970

    • SHA1

      30bcdfc110d03006ba0efd89def64628d2715ead

    • SHA256

      e828e2b51c2c5412e66a660792ef393ce52c8e31d41d9c1adcac81367728fea6

    • SHA512

      0e32b346714cf244e24ce0e6515e558c7a29157304e24f14d44ff3488486c19f9f0403fddb48dc6e95a3489eca503697d16c7e0e8e76d0e84264522af3e6d2c1

    • SSDEEP

      49152:vG4DuZSgBVz68epmUAJWrrQiODZXHBdG:e7paboUS1dX3G

    • AsyncRat

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

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks