Analysis

  • max time kernel
    65s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2023, 14:03

General

  • Target
    4oL0kmKWmsPY4za.exe
  • Size 847KB
  • Sample230127-rcpanach8w
  • SHA256 3e182eb16b61d7c0caa1baab76469cc14e5174f381fcb0cfbff042fd531f38a0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot5816458649:AAFS1obzDKYH_QeQC_kvYxhd80vhKb3q6Vs/sendMessage?chat_id=5586449047

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 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\4oL0kmKWmsPY4za.exe
    "C:\Users\Admin\AppData\Local\Temp\4oL0kmKWmsPY4za.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\4oL0kmKWmsPY4za.exe
      "C:\Users\Admin\AppData\Local\Temp\4oL0kmKWmsPY4za.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1492

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1492-65-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1492-66-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1492-71-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1492-61-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1492-60-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1492-63-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1492-69-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1700-55-0x0000000074E41000-0x0000000074E43000-memory.dmp

        memory/1700-54-0x0000000001220000-0x00000000012FA000-memory.dmp

        memory/1700-59-0x0000000000740000-0x0000000000768000-memory.dmp

        memory/1700-58-0x0000000000D40000-0x0000000000DA0000-memory.dmp

        memory/1700-57-0x0000000000460000-0x000000000046A000-memory.dmp

        memory/1700-56-0x0000000000420000-0x0000000000430000-memory.dmp