Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:36

General

  • Target

    36b8ffd1ce553c07824f1cfd0597d7c2c483396fc9872910c684b68462c846c8.exe

  • Size

    393KB

  • MD5

    6ad94ce6af8bb44d3e2a61093069e53a

  • SHA1

    b20717e718355d078f86ce2a2fbe8bae8051e51e

  • SHA256

    36b8ffd1ce553c07824f1cfd0597d7c2c483396fc9872910c684b68462c846c8

  • SHA512

    dbe80225f2c83b375a8f6343b7d1ac35491c6134a36fa6ceabc6201c8e0c82c862fa35bf9da2e2b2ab919b0b8fe96286a6729ff61f2006b9d3c1247f2fc950bf

  • SSDEEP

    12288:ClnaENFrl0QnjvyUh6D4k7C1oqJW1t1zK:CxaENB/jvye6D4iC1v8Q

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Nirsoft 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 web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36b8ffd1ce553c07824f1cfd0597d7c2c483396fc9872910c684b68462c846c8.exe
    "C:\Users\Admin\AppData\Local\Temp\36b8ffd1ce553c07824f1cfd0597d7c2c483396fc9872910c684b68462c846c8.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:988
    • C:\Users\Admin\AppData\Local\Temp\36b8ffd1ce553c07824f1cfd0597d7c2c483396fc9872910c684b68462c846c8.exe
      "C:\Users\Admin\AppData\Local\Temp\36b8ffd1ce553c07824f1cfd0597d7c2c483396fc9872910c684b68462c846c8.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\logff.txt
        3⤵
          PID:3080
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\logmail.txt
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:4816
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\sDLSoYQM.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:960
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\sDLSoYQM.exe
          3⤵
          • Adds Run key to start application
          PID:396

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/396-139-0x0000000000000000-mapping.dmp

    • memory/960-138-0x0000000000000000-mapping.dmp

    • memory/988-141-0x0000000074A30000-0x0000000074FE1000-memory.dmp

      Filesize

      5.7MB

    • memory/988-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

      Filesize

      5.7MB

    • memory/3080-147-0x0000000000000000-mapping.dmp

    • memory/3080-157-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3080-154-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3080-148-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/4816-156-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4816-155-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4816-152-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4816-149-0x0000000000000000-mapping.dmp

    • memory/5032-144-0x0000000008910000-0x0000000008914000-memory.dmp

      Filesize

      16KB

    • memory/5032-162-0x0000000008921000-0x0000000008926000-memory.dmp

      Filesize

      20KB

    • memory/5032-145-0x0000000001659000-0x000000000165F000-memory.dmp

      Filesize

      24KB

    • memory/5032-143-0x0000000001659000-0x000000000165F000-memory.dmp

      Filesize

      24KB

    • memory/5032-142-0x0000000074A30000-0x0000000074FE1000-memory.dmp

      Filesize

      5.7MB

    • memory/5032-140-0x0000000074A30000-0x0000000074FE1000-memory.dmp

      Filesize

      5.7MB

    • memory/5032-151-0x0000000008917000-0x000000000891C000-memory.dmp

      Filesize

      20KB

    • memory/5032-136-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/5032-135-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/5032-134-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/5032-133-0x0000000000000000-mapping.dmp

    • memory/5032-158-0x0000000008910000-0x0000000008914000-memory.dmp

      Filesize

      16KB

    • memory/5032-159-0x0000000008914000-0x0000000008917000-memory.dmp

      Filesize

      12KB

    • memory/5032-160-0x000000000891C000-0x0000000008921000-memory.dmp

      Filesize

      20KB

    • memory/5032-161-0x0000000008917000-0x000000000891C000-memory.dmp

      Filesize

      20KB

    • memory/5032-146-0x0000000008914000-0x0000000008917000-memory.dmp

      Filesize

      12KB

    • memory/5032-163-0x000000000891C000-0x0000000008921000-memory.dmp

      Filesize

      20KB

    • memory/5032-164-0x0000000008926000-0x000000000892B000-memory.dmp

      Filesize

      20KB

    • memory/5032-165-0x0000000008921000-0x0000000008926000-memory.dmp

      Filesize

      20KB

    • memory/5032-166-0x000000000892B000-0x0000000008934000-memory.dmp

      Filesize

      36KB

    • memory/5032-167-0x0000000008926000-0x000000000892B000-memory.dmp

      Filesize

      20KB

    • memory/5032-168-0x000000000892B000-0x0000000008934000-memory.dmp

      Filesize

      36KB

    • memory/5032-169-0x0000000008934000-0x000000000893D000-memory.dmp

      Filesize

      36KB

    • memory/5032-170-0x0000000008934000-0x000000000893D000-memory.dmp

      Filesize

      36KB

    • memory/5032-171-0x000000000893D000-0x0000000008946000-memory.dmp

      Filesize

      36KB

    • memory/5032-172-0x000000000893D000-0x0000000008946000-memory.dmp

      Filesize

      36KB

    • memory/5032-173-0x0000000008946000-0x000000000894F000-memory.dmp

      Filesize

      36KB

    • memory/5032-174-0x0000000008946000-0x000000000894F000-memory.dmp

      Filesize

      36KB

    • memory/5032-175-0x000000000894F000-0x0000000008960000-memory.dmp

      Filesize

      68KB

    • memory/5032-176-0x000000000894F000-0x0000000008960000-memory.dmp

      Filesize

      68KB

    • memory/5032-177-0x0000000008960000-0x0000000008971000-memory.dmp

      Filesize

      68KB

    • memory/5032-178-0x0000000008960000-0x0000000008971000-memory.dmp

      Filesize

      68KB