Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:19

General

  • Target

    Required Purchase Order Reference.exe

  • Size

    1.0MB

  • MD5

    1728a1c5055e320ba8f3c1f74b617f41

  • SHA1

    b73625caa0fcf43c9cdce6fe406e793cbf43f0ec

  • SHA256

    97a3f574869dfb82834d7481df5e280ab0944dda13ff548d5674e960493cfb8c

  • SHA512

    fb0e14fac3487229b054ffd76b43a1e620030b3788480174b220ab3004e707875e6a298eef9c318d0b5e4b57d6890d7e15ec9c2e5d1e5f78b74db504f66cf974

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Required Purchase Order Reference.exe
    "C:\Users\Admin\AppData\Local\Temp\Required Purchase Order Reference.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Users\Admin\AppData\Local\Temp\Required Purchase Order Reference.exe
      "C:\Users\Admin\AppData\Local\Temp\Required Purchase Order Reference.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4552
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Required Purchase Order Reference.exe' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Required Purchase Order Reference.exe'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1188

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Required Purchase Order Reference.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • memory/1188-141-0x0000000000000000-mapping.dmp

  • memory/1188-150-0x0000000006100000-0x0000000006122000-memory.dmp

    Filesize

    136KB

  • memory/1188-149-0x0000000006BB0000-0x0000000006C46000-memory.dmp

    Filesize

    600KB

  • memory/1188-148-0x0000000006030000-0x000000000604A000-memory.dmp

    Filesize

    104KB

  • memory/1188-147-0x0000000007230000-0x00000000078AA000-memory.dmp

    Filesize

    6.5MB

  • memory/1188-146-0x0000000004910000-0x000000000492E000-memory.dmp

    Filesize

    120KB

  • memory/1188-145-0x0000000004CF0000-0x0000000004D56000-memory.dmp

    Filesize

    408KB

  • memory/1188-144-0x0000000004BD0000-0x0000000004BF2000-memory.dmp

    Filesize

    136KB

  • memory/1188-143-0x0000000004EE0000-0x0000000005508000-memory.dmp

    Filesize

    6.2MB

  • memory/1188-142-0x0000000000DD0000-0x0000000000E06000-memory.dmp

    Filesize

    216KB

  • memory/1644-140-0x0000000000000000-mapping.dmp

  • memory/3496-130-0x00000000005F0000-0x0000000000704000-memory.dmp

    Filesize

    1.1MB

  • memory/3496-135-0x00000000053F0000-0x0000000005446000-memory.dmp

    Filesize

    344KB

  • memory/3496-134-0x0000000005150000-0x000000000515A000-memory.dmp

    Filesize

    40KB

  • memory/3496-133-0x00000000051A0000-0x0000000005232000-memory.dmp

    Filesize

    584KB

  • memory/3496-132-0x00000000056B0000-0x0000000005C54000-memory.dmp

    Filesize

    5.6MB

  • memory/3496-131-0x0000000005050000-0x00000000050EC000-memory.dmp

    Filesize

    624KB

  • memory/4552-139-0x00000000053A0000-0x0000000005406000-memory.dmp

    Filesize

    408KB

  • memory/4552-137-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/4552-136-0x0000000000000000-mapping.dmp