General

  • Target

    videos_for_you.zip

  • Size

    53.8MB

  • Sample

    241128-sj455awrgq

  • MD5

    3dcc2d70cc314a963a7f25d4cfef3bda

  • SHA1

    29a282cb8bd5fd347ddcf0b74779ed599f77994c

  • SHA256

    814bac694e1caa6e9a1825cc6e2da023b00e69b2eb8d30405145d55b211c49e2

  • SHA512

    1c18386b7725e130112c3e710a1c178456b8279ed30ea44e748095d66b432f8647cf3c0fd12d4215af4091652f2a2229bbc817f5d6d087ff569bb6dc8fc6bb19

  • SSDEEP

    786432:ffqdvtt0sJ+L7eGkjDVDNA0b7MbZ3233B5KZbrpi1sm5SJ6dqkj5+a4pdYTzMYTX:3pbL7e3DNN7b3KbhAS6dDkyXrTX

Malware Config

Extracted

Family

xworm

Version

5.0

C2

42.96.11.54:25209

Mutex

SFMa6Xk244Z6kSQr

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot5867862670:AAHp7ECfsTluhMCJC4Vl2YYZCQDdUtQ-o18

aes.plain

Extracted

Family

gurcu

C2

https://api.telegram.org/bot5867862670:AAHp7ECfsTluhMCJC4Vl2YYZCQDdUtQ-o18/sendMessage?chat_id=-4185548654

Targets

    • Target

      photo_for_you.png⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀.exe

    • Size

      57.1MB

    • MD5

      f46aed0934318a70362ea9a3aed48fd0

    • SHA1

      0fd0dc815197aa3f98118c1c993903c6b31f2c9c

    • SHA256

      d07819f4da91a51777dd91789ad54c7efe81f2afa644761b6958de2322823ec4

    • SHA512

      b6cc4106cdce94b7621f1fd57fff199272714fd2090ffc6d243ad89fefb08742d92dac3bfcd60c7bbfcddcebabc8bd12ce3136294f5003098b1deb66d3ea8b3e

    • SSDEEP

      786432:swBPj4cKJ4hFek07BxrNWEBZ0k2fVmjhKXrPfkbq4j0hqrCkB5oM4zTu1rMEr6o3:swl1hFehrN9ZqBjXI0e/9wCl9rr3

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks