Analysis

  • max time kernel
    78s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/10/2022, 19:30

General

  • Target
    BANK DETAILS.exe
  • Size 914KB
  • Sample221007-x7st8adcc4
  • SHA256 5659153bcd17b99af97aa2ff7e721a91e76e76ddd1a82e6951d4b873b138a978
  • MD5 SHA1 SHA512 SSDEEP

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 4 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\BANK DETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LPAbAWnXc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp13B1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1376
    • C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1164

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        tmp13B1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp13B1.tmp
        • Size 1KB
        • SHA256 6b223ea0f154c8388b4f487fcf3d7079ffc1ea2e1f70257af08de4074fa842f5
        • MD5 SHA1 SHA512

        memory/1088-57-0x0000000006060000-0x00000000060D2000-memory.dmp

        memory/1088-55-0x0000000074C91000-0x0000000074C93000-memory.dmp

        memory/1088-54-0x0000000000980000-0x0000000000A6A000-memory.dmp

        memory/1088-58-0x0000000000490000-0x00000000004B8000-memory.dmp

        memory/1088-56-0x0000000000590000-0x00000000005B0000-memory.dmp

        memory/1164-67-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1164-61-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1164-62-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1164-64-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1164-66-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1164-70-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1164-72-0x0000000000400000-0x0000000000426000-memory.dmp