Analysis

  • max time kernel
    129s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2022, 16:55

General

  • Target
    PO HAI_87469745234SPRY2022.xlsx.exe
  • Size 1017KB
  • Sample221012-ve9adscdar
  • SHA256 c1d8796df0c4f3ed781a1a04561b470ad793f8eeffb99bfcf89aeb32e6db3894
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5793325124:AAGHzRsq2tvLBf23l8pkEofcJjw4AQXsgAQ/sendMessage?chat_id=2086616067

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO HAI_87469745234SPRY2022.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\PO HAI_87469745234SPRY2022.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Users\Admin\AppData\Local\Temp\PO HAI_87469745234SPRY2022.xlsx.exe
      "C:\Users\Admin\AppData\Local\Temp\PO HAI_87469745234SPRY2022.xlsx.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1832

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        PO HAI_87469745234SPRY2022.xlsx.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO HAI_87469745234SPRY2022.xlsx.exe.log
        • Size 1KB
        • SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
        • MD5 SHA1 SHA512

        memory/948-133-0x0000000000C10000-0x0000000000D14000-memory.dmp

        memory/948-134-0x0000000005C80000-0x0000000006224000-memory.dmp

        memory/948-135-0x00000000056D0000-0x0000000005762000-memory.dmp

        memory/948-136-0x00000000056A0000-0x00000000056AA000-memory.dmp

        memory/948-137-0x000000000A060000-0x000000000A0FC000-memory.dmp

        memory/948-138-0x0000000001770000-0x00000000017D6000-memory.dmp

        memory/1832-140-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1832-142-0x0000000006BC0000-0x0000000006D82000-memory.dmp