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General

  • Target

    PO # 6022000990 &.xlsx

  • Size

    191KB

  • Sample

    221003-tf6efsdhfp

  • MD5

    a6eb09c4ca31ee23ad6f81dae055c0ef

  • SHA1

    6fdefa1c9940bbf19cd4f1c55cd5bd3a1172c52f

  • SHA256

    203f8c913d8143680ad86c8215f19e3d97761d008af26069e9b21675dd66f39a

  • SHA512

    cd74f8c5b22a9ad2d27e2e0253ba858e006ed39f8de5e5aea431ca09a3240923ee18fb9c0f04a9c9692ec9efbc226b129c6ebc9ff08bf0a69f7e12fc8d6425d5

  • SSDEEP

    3072:9EMfCGMChX7FruHRFtffY67PVHL8kVovCv98vxCehY1L7SAvsOG5qrwBi9oH6/06:xfJjX7FyF9IrVhYZ77sXqEBi99/5n

Malware Config

Extracted

Family

snakekeylogger

Credentials

Targets

    • Target

      PO # 6022000990 &.xlsx

    • Size

      191KB

    • MD5

      a6eb09c4ca31ee23ad6f81dae055c0ef

    • SHA1

      6fdefa1c9940bbf19cd4f1c55cd5bd3a1172c52f

    • SHA256

      203f8c913d8143680ad86c8215f19e3d97761d008af26069e9b21675dd66f39a

    • SHA512

      cd74f8c5b22a9ad2d27e2e0253ba858e006ed39f8de5e5aea431ca09a3240923ee18fb9c0f04a9c9692ec9efbc226b129c6ebc9ff08bf0a69f7e12fc8d6425d5

    • SSDEEP

      3072:9EMfCGMChX7FruHRFtffY67PVHL8kVovCv98vxCehY1L7SAvsOG5qrwBi9oH6/06:xfJjX7FyF9IrVhYZ77sXqEBi99/5n

    • 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.

    • Uses the VBS compiler for execution

    • 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