Analysis

  • max time kernel
    56s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 07:18

General

  • Target
    1f2f188536e58972140279a1fb1cc731.exe
  • Size 690KB
  • Sample221001-h4x77sgfcj
  • SHA256 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f2f188536e58972140279a1fb1cc731.exe
    "C:\Users\Admin\AppData\Local\Temp\1f2f188536e58972140279a1fb1cc731.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\1f2f188536e58972140279a1fb1cc731.exe
      "C:\Users\Admin\AppData\Local\Temp\1f2f188536e58972140279a1fb1cc731.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1504

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1504-65-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1504-66-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1504-71-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1504-61-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1504-60-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1504-63-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1504-69-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1736-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

        memory/1736-54-0x0000000000DB0000-0x0000000000E64000-memory.dmp

        memory/1736-59-0x0000000000D70000-0x0000000000D96000-memory.dmp

        memory/1736-58-0x00000000052D0000-0x0000000005350000-memory.dmp

        memory/1736-57-0x00000000004F0000-0x00000000004FC000-memory.dmp

        memory/1736-56-0x00000000004E0000-0x00000000004F4000-memory.dmp