Resubmissions

07/06/2021, 19:01

210607-6wl9q5g1zj10

06/06/2021, 19:46

210606-8xe3xkelt210

Analysis

  • max time kernel
    15s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06/06/2021, 19:46

General

  • Target
    supremacy/.vs/supremacy_csgo/v16/Browse.VC-wal.db.exe
  • Size 531KB
  • Sample210606-8xe3xkelt2
  • SHA256 dbf5add59cbb4c99672f0213347c5392b36b9da91c27d5307ea561f298277945
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\supremacy\.vs\supremacy_csgo\v16\Browse.VC-wal.db.exe
    "C:\Users\Admin\AppData\Local\Temp\supremacy\.vs\supremacy_csgo\v16\Browse.VC-wal.db.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3196

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3196-114-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

        memory/3196-116-0x0000000001390000-0x00000000013CE000-memory.dmp

        memory/3196-117-0x0000000002C10000-0x0000000002C1F000-memory.dmp

        memory/3196-118-0x0000000002C20000-0x0000000002C29000-memory.dmp

        memory/3196-119-0x000000001B800000-0x000000001B802000-memory.dmp

        memory/3196-120-0x000000001B810000-0x000000001B828000-memory.dmp

        memory/3196-121-0x000000001BDE0000-0x000000001BE6D000-memory.dmp

        memory/3196-122-0x000000001B880000-0x000000001B881000-memory.dmp