Analysis

  • max time kernel
    55s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 16:33

General

  • Target

    file.exe

  • Size

    652KB

  • MD5

    2d7b3078116d6fb3da2f1ab51c8cf0e2

  • SHA1

    8a6a461b4f37a9b2d32b1cbdbecd3579619bbba1

  • SHA256

    8161e804d97adf2fbf82fffb3118ddeddb6e747eaa8322855cd461aaa3d5b0c1

  • SHA512

    3e2683930d8220696350792d35002b9dc1e3dff1c7b92a527bc7eb1dd6cc2e59e14e20848a0eb6db4e86b22db046ff69a830085d89ae7e159470d9ed7b04ab68

  • SSDEEP

    12288:bdgh/PsZ1DX/VDJ8eRlpr5VxA+nsWbaAQXwILHpCsK6bu:bdgh/PjspVVxpsWmXwiPC

Malware Config

Extracted

Family

snakekeylogger

Credentials

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
  • 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
        PID:1544
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:584

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/584-60-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/584-65-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/584-69-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/584-71-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/584-67-0x00000000004202EE-mapping.dmp
    • memory/584-63-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/584-66-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/584-61-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1468-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
      Filesize

      8KB

    • memory/1468-54-0x0000000001330000-0x00000000013DA000-memory.dmp
      Filesize

      680KB

    • memory/1468-59-0x00000000007C0000-0x00000000007E6000-memory.dmp
      Filesize

      152KB

    • memory/1468-58-0x0000000000D50000-0x0000000000DB0000-memory.dmp
      Filesize

      384KB

    • memory/1468-57-0x0000000000210000-0x000000000021C000-memory.dmp
      Filesize

      48KB

    • memory/1468-56-0x0000000000230000-0x0000000000248000-memory.dmp
      Filesize

      96KB