Resubmissions

07-06-2021 19:01

210607-6wl9q5g1zj 10

06-06-2021 19:46

210606-8xe3xkelt2 10

Analysis

  • max time kernel
    14s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    06-06-2021 19:46

General

  • Target

    supremacy/.vs/supremacy_csgo/v16/Browse.VC-wal.db.exe

  • Size

    531KB

  • MD5

    c8e781071aced942d989823c2e1dc107

  • SHA1

    80322b92c1d45bc1d9ccc31856e4b0be46159fce

  • SHA256

    dbf5add59cbb4c99672f0213347c5392b36b9da91c27d5307ea561f298277945

  • SHA512

    63af46c19ae796fe3de276b88f82fdfebd91a632593ce1c1d0b846e41bdf619cb0bc706b0e548646a46f5c363c65d5fc15f9458e96f292cefb699b9c244dfb67

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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • 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⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1088

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1088-60-0x00000000011E0000-0x00000000011E1000-memory.dmp

    Filesize

    4KB

  • memory/1088-62-0x0000000000B30000-0x0000000000B6E000-memory.dmp

    Filesize

    248KB

  • memory/1088-63-0x0000000000D30000-0x0000000000D3F000-memory.dmp

    Filesize

    60KB

  • memory/1088-64-0x0000000000D40000-0x0000000000D49000-memory.dmp

    Filesize

    36KB

  • memory/1088-65-0x0000000000270000-0x0000000000272000-memory.dmp

    Filesize

    8KB

  • memory/1088-66-0x000000001A6E0000-0x000000001A6F8000-memory.dmp

    Filesize

    96KB

  • memory/1088-67-0x000000001B8E0000-0x000000001B96D000-memory.dmp

    Filesize

    564KB