Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 15:53

General

  • Target

    13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe

  • Size

    794KB

  • MD5

    64bd02186fd41fbfa61ff28cd2da6be9

  • SHA1

    913f37e0a4eaf8c5c46591ac2353ebab34c63380

  • SHA256

    13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e

  • SHA512

    3cac421d78d25e28e878329084af92621bc51473b297a408df8bd2db2412955e76d334edf5821307081302918898b90a6f9642207adfc035974760d5a794284a

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe
    "C:\Users\Admin\AppData\Local\Temp\13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe
      "C:\Users\Admin\AppData\Local\Temp\13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2160
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:448

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\13d108fb33fd10ace8666b716c47d9c7c1533be63ad6bb844d5c27721fc6845e.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/448-145-0x00000000066B0000-0x00000000066CE000-memory.dmp
    Filesize

    120KB

  • memory/448-144-0x0000000005FA0000-0x0000000006006000-memory.dmp
    Filesize

    408KB

  • memory/448-140-0x0000000000000000-mapping.dmp
  • memory/448-148-0x00000000078F0000-0x0000000007986000-memory.dmp
    Filesize

    600KB

  • memory/448-147-0x0000000006BB0000-0x0000000006BCA000-memory.dmp
    Filesize

    104KB

  • memory/448-146-0x0000000007ED0000-0x000000000854A000-memory.dmp
    Filesize

    6.5MB

  • memory/448-143-0x00000000056D0000-0x00000000056F2000-memory.dmp
    Filesize

    136KB

  • memory/448-141-0x0000000002D90000-0x0000000002DC6000-memory.dmp
    Filesize

    216KB

  • memory/448-142-0x0000000005870000-0x0000000005E98000-memory.dmp
    Filesize

    6.2MB

  • memory/448-149-0x0000000006C70000-0x0000000006C92000-memory.dmp
    Filesize

    136KB

  • memory/1480-138-0x0000000005AB0000-0x0000000005B16000-memory.dmp
    Filesize

    408KB

  • memory/1480-136-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1480-135-0x0000000000000000-mapping.dmp
  • memory/2160-139-0x0000000000000000-mapping.dmp
  • memory/2400-133-0x0000000005160000-0x000000000516A000-memory.dmp
    Filesize

    40KB

  • memory/2400-131-0x0000000005770000-0x0000000005D14000-memory.dmp
    Filesize

    5.6MB

  • memory/2400-132-0x00000000050B0000-0x0000000005142000-memory.dmp
    Filesize

    584KB

  • memory/2400-130-0x0000000000650000-0x000000000071C000-memory.dmp
    Filesize

    816KB

  • memory/2400-134-0x0000000008890000-0x000000000892C000-memory.dmp
    Filesize

    624KB