General

  • Target

    Purchase Order 9501181329.xlsx

  • Size

    224KB

  • Sample

    220930-mky3lsebfj

  • MD5

    e8d3fa205a5b94ffd7a9d6440a63242c

  • SHA1

    e1e155ad63233aef7df92ab1f94f885c5840c29a

  • SHA256

    ce479d56fcfc1fb2c507a91c1c9a6511f02cdf459fb53fd67a5809e1e367b2cc

  • SHA512

    b63d5d20c1d0717d87e63225f18513805a17956bfbdde692b4a75c650d35c2a3999d5aefdb316beb2a1bb9fc0862ec86f817d96b695a2b6486dc354bdc062a20

  • SSDEEP

    3072:k+zhiji0HLvl8Xhvk1skd6dbQ+cORT7LrauY9z84/LBlw0qQ5GV6yFLleO9OFgsO:S+0ihcrd6FQKTHrapB9/LBlPAV6yFWO

Malware Config

Extracted

Family

snakekeylogger

Credentials

Targets

    • Target

      Purchase Order 9501181329.xlsx

    • Size

      224KB

    • MD5

      e8d3fa205a5b94ffd7a9d6440a63242c

    • SHA1

      e1e155ad63233aef7df92ab1f94f885c5840c29a

    • SHA256

      ce479d56fcfc1fb2c507a91c1c9a6511f02cdf459fb53fd67a5809e1e367b2cc

    • SHA512

      b63d5d20c1d0717d87e63225f18513805a17956bfbdde692b4a75c650d35c2a3999d5aefdb316beb2a1bb9fc0862ec86f817d96b695a2b6486dc354bdc062a20

    • SSDEEP

      3072:k+zhiji0HLvl8Xhvk1skd6dbQ+cORT7LrauY9z84/LBlw0qQ5GV6yFLleO9OFgsO:S+0ihcrd6FQKTHrapB9/LBlPAV6yFWO

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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