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Analysis

  • max time kernel
    31s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    08/02/2023, 18:30

General

  • Target

    Profoma Invoice.exe

  • Size

    301KB

  • MD5

    07a7565fcf8ba9b08b5e83e94489e4b1

  • SHA1

    8cee31beae3baabf4c1e71a114a3b2623c798ca8

  • SHA256

    7b5951f5bf8b74c9e9f377c59ad305a671735c9f7c6cf9f3def654c5989619ec

  • SHA512

    3f2e0a04c995d7e0a209fda8ce908b83415244259195ee7fde2acdce9c8a7cb37509503a61e2f46cc6c40db44144b79461960dc670c9d60b474e63f00eea3e9b

  • SSDEEP

    6144:4e9Z6dubKLoGWi3xCeLy4Im5Q1FoFVjOMix6S2:f6dubKLoxeGnRklhTS

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://api.telegram.org/bot6192832133:AAF7C5Hu2cAny_oozlOAGw_7DWfvYVumEbE/sendMessage?chat_id=2021395706

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Disables Task Manager via registry modification
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:616
    • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
      2⤵
        PID:852
      • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
        2⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:432

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe

      Filesize

      301KB

      MD5

      07a7565fcf8ba9b08b5e83e94489e4b1

      SHA1

      8cee31beae3baabf4c1e71a114a3b2623c798ca8

      SHA256

      7b5951f5bf8b74c9e9f377c59ad305a671735c9f7c6cf9f3def654c5989619ec

      SHA512

      3f2e0a04c995d7e0a209fda8ce908b83415244259195ee7fde2acdce9c8a7cb37509503a61e2f46cc6c40db44144b79461960dc670c9d60b474e63f00eea3e9b

    • \Users\Admin\AppData\Local\Temp\Profoma Invoice.exe

      Filesize

      301KB

      MD5

      07a7565fcf8ba9b08b5e83e94489e4b1

      SHA1

      8cee31beae3baabf4c1e71a114a3b2623c798ca8

      SHA256

      7b5951f5bf8b74c9e9f377c59ad305a671735c9f7c6cf9f3def654c5989619ec

      SHA512

      3f2e0a04c995d7e0a209fda8ce908b83415244259195ee7fde2acdce9c8a7cb37509503a61e2f46cc6c40db44144b79461960dc670c9d60b474e63f00eea3e9b

    • \Users\Admin\AppData\Local\Temp\Profoma Invoice.exe

      Filesize

      301KB

      MD5

      07a7565fcf8ba9b08b5e83e94489e4b1

      SHA1

      8cee31beae3baabf4c1e71a114a3b2623c798ca8

      SHA256

      7b5951f5bf8b74c9e9f377c59ad305a671735c9f7c6cf9f3def654c5989619ec

      SHA512

      3f2e0a04c995d7e0a209fda8ce908b83415244259195ee7fde2acdce9c8a7cb37509503a61e2f46cc6c40db44144b79461960dc670c9d60b474e63f00eea3e9b

    • memory/432-67-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/432-74-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/432-72-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/432-63-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/432-62-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/432-68-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/432-65-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/616-75-0x000000006F6B0000-0x000000006FC5B000-memory.dmp

      Filesize

      5.7MB

    • memory/616-77-0x000000006F6B0000-0x000000006FC5B000-memory.dmp

      Filesize

      5.7MB

    • memory/1588-59-0x00000000003B0000-0x00000000003BA000-memory.dmp

      Filesize

      40KB

    • memory/1588-54-0x0000000000B90000-0x0000000000BE0000-memory.dmp

      Filesize

      320KB

    • memory/1588-55-0x0000000000A40000-0x0000000000A7A000-memory.dmp

      Filesize

      232KB

    • memory/1588-56-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

      Filesize

      8KB