General

  • Target

    Maple.sfx.exe

  • Size

    49.9MB

  • Sample

    241215-f8xq5avqe1

  • MD5

    b6eb7b6c81c32e94112f00a4bd7fbc80

  • SHA1

    328d30384ac99a4b24ebb78fe1ccde41444191a7

  • SHA256

    5db2db5c8a468b925bdf13bb3f11244af1c7dbc86a6f5727b724bf1961c5e5e2

  • SHA512

    94e1d9a2899f7d2a210dc76615923be8475a8f89c9484d56f3ee2c9c28cf75a13051df8dd068835261bcab62e12a4c57bbb41efa0b7783b8b1138b314649f003

  • SSDEEP

    1572864:wOyrjq1zExjMkfCfYFvWExN+ZJupU485C3Kc68:wOscE9Mkfnb1pUTC3P68

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1260642804414156891/hKfLDYiwORnJS0u7NEs9WPwqTyOYiJyHsbqndD7MezE-rhVSLHFDRhBZ_hNqb3v9ZoeE

Extracted

Family

xworm

Version

5.0

C2

testarosa.duckdns.org:7110

Mutex

5ZpeoOe6AtQfr6wU

Attributes
  • Install_directory

    %AppData%

  • install_file

    Ondrive.exe

aes.plain

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

147.185.221.20:49236

Mutex

6a8a3b6e5450a823d542e748a454aa4c

Attributes
  • reg_key

    6a8a3b6e5450a823d542e748a454aa4c

  • splitter

    |'|'|

Targets

    • Target

      Maple.sfx.exe

    • Size

      49.9MB

    • MD5

      b6eb7b6c81c32e94112f00a4bd7fbc80

    • SHA1

      328d30384ac99a4b24ebb78fe1ccde41444191a7

    • SHA256

      5db2db5c8a468b925bdf13bb3f11244af1c7dbc86a6f5727b724bf1961c5e5e2

    • SHA512

      94e1d9a2899f7d2a210dc76615923be8475a8f89c9484d56f3ee2c9c28cf75a13051df8dd068835261bcab62e12a4c57bbb41efa0b7783b8b1138b314649f003

    • SSDEEP

      1572864:wOyrjq1zExjMkfCfYFvWExN+ZJupU485C3Kc68:wOscE9Mkfnb1pUTC3P68

    • Detect Umbral payload

    • Detect Xworm Payload

    • Njrat family

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Umbral family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • 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.

    • Adds Run key to start application

    • 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.

MITRE ATT&CK Enterprise v15

Tasks