General

  • Target

    Vital Information.exe

  • Size

    298KB

  • Sample

    201109-h9w6a29s7a

  • MD5

    83be83f2a2c21bfa43836b8faa2a3f05

  • SHA1

    f9959adb63dcc148071c7ca0dbc7378747ef555a

  • SHA256

    6ee95360b744269183b9f19b9474f831224dbd90d27e67e5b2c5701f69938e4e

  • SHA512

    803672f863747f7b3ccfa53182b06bd59d73fff53dd3c923975065aafdb88d1424f7e76ae4b4f1f89c32e96664fdfd92c88a7e83d178c6723f888d818719fb5a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aviner.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    NoLimits@

Targets

    • Target

      Vital Information.exe

    • Size

      298KB

    • MD5

      83be83f2a2c21bfa43836b8faa2a3f05

    • SHA1

      f9959adb63dcc148071c7ca0dbc7378747ef555a

    • SHA256

      6ee95360b744269183b9f19b9474f831224dbd90d27e67e5b2c5701f69938e4e

    • SHA512

      803672f863747f7b3ccfa53182b06bd59d73fff53dd3c923975065aafdb88d1424f7e76ae4b4f1f89c32e96664fdfd92c88a7e83d178c6723f888d818719fb5a

    • Cheetah Keylogger

      Cheetah is a keylogger and info stealer first seen in March 2020.

    • Cheetah Keylogger Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks