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Analysis

  • max time kernel
    47s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2022, 13:08

General

  • Target

    P O -82YWU8HNQMWK.exe

  • Size

    756KB

  • MD5

    d0fc8acab7b14959a21de8c923c8a70c

  • SHA1

    b0a7c0355d2e4e41f0977f00e8072eeb70c674d0

  • SHA256

    ffc51f2ef0542e31be26668f49bf65a719ea827188707a83ca5421d2ad8b6fbc

  • SHA512

    28f0c196678b25fa7d4e9dd23c025497fd9a03a3d11d0c72062b25f34b2569f5d5320f96410f25f17b2f7d6bfe8f1de5eff5cc34a893b7209c72153b39b596e0

  • SSDEEP

    12288:LlM9v4jxXf1AZFFhtTV8rUzDEThhUVsDwlMbqjJ5n:yv41feh8rMDElhUeDwlNjr

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendMessage?chat_id=5217421430

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe
    "C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rLBhtX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F7B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1040
    • C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1056

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9F7B.tmp

    Filesize

    1KB

    MD5

    bb696cbe6ea8909c05995c09c40d85fe

    SHA1

    c1f72460fe7a336a254a6da9475419e9a35224b3

    SHA256

    695a6ede69cb34496b8e855594d6568ac28ba0767536a519a2d7426735998ed8

    SHA512

    53d91235dc3213052377d7b5f9a47a7b59f6a49a1d9225a5533d071ee3a3ae90558db1a328d44fb3f831471a16c9e647179538d328c5ebadce4c713b5d13c75f

  • memory/1056-64-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1056-61-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1056-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1056-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1056-67-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1056-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1056-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1204-57-0x0000000004A60000-0x0000000004AD6000-memory.dmp

    Filesize

    472KB

  • memory/1204-58-0x0000000000D80000-0x0000000000DA6000-memory.dmp

    Filesize

    152KB

  • memory/1204-56-0x0000000000900000-0x0000000000920000-memory.dmp

    Filesize

    128KB

  • memory/1204-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/1204-54-0x00000000011C0000-0x0000000001284000-memory.dmp

    Filesize

    784KB