Analysis

  • max time kernel
    92s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2022 14:13

General

  • Target

    Purchase Order no. P212576.exe

  • Size

    850KB

  • MD5

    1311f07dc42fd9b1a7d078302a6fa19d

  • SHA1

    76279eab3809d9f7cf3c65ee6c3d349452905de8

  • SHA256

    b6abfeb2f4b5b9b41a34dd97806c12c49acc96e6f08115a7a7f9a5dd0a1db7ba

  • SHA512

    f82ea7db97b5a76824c8451b0d1cf50604891f37fce4e115cc30a760e33491a1de52ae167c1d2b516db2c43ced483a5b74067fb0545c1e233f08532a06bb7290

  • SSDEEP

    12288:PR8J2uT7cs+OJG4XfZaALFruvQIUfDj5E+gCUKCRWOxs:5lAQsbJG4XfIALFy4IC53CRF

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order no. P212576.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order no. P212576.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order no. P212576.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order no. P212576.exe"
      2⤵
        PID:4968
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order no. P212576.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order no. P212576.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2784

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2784-140-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2784-141-0x0000000006C00000-0x0000000006DC2000-memory.dmp

      Filesize

      1.8MB

    • memory/4916-132-0x0000000000DD0000-0x0000000000EAA000-memory.dmp

      Filesize

      872KB

    • memory/4916-133-0x0000000005E20000-0x00000000063C4000-memory.dmp

      Filesize

      5.6MB

    • memory/4916-134-0x0000000005870000-0x0000000005902000-memory.dmp

      Filesize

      584KB

    • memory/4916-135-0x0000000005850000-0x000000000585A000-memory.dmp

      Filesize

      40KB

    • memory/4916-136-0x000000000BCC0000-0x000000000BD5C000-memory.dmp

      Filesize

      624KB

    • memory/4916-137-0x000000000BDD0000-0x000000000BE36000-memory.dmp

      Filesize

      408KB