Analysis

  • max time kernel
    103s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 07:35

General

  • Target

    b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a.exe

  • Size

    659KB

  • MD5

    cfb1b53060223753fed8d9cac55b9aa9

  • SHA1

    8c74700d2eceb7d60cb1ba5f2c14e4ed75f9f61e

  • SHA256

    b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a

  • SHA512

    24f3758e16616b00d19d68291971bb75967b0560b9922b5f0d584afb538d4acd435cdd7c56f9271eee3d11bec5b0410b1a2b51f9a7becae7207e2c46cc83dc40

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main Payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a.exe
    "C:\Users\Admin\AppData\Local\Temp\b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\svhost.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\svhost.exe

    Filesize

    256KB

    MD5

    8fdf47e0ff70c40ed3a17014aeea4232

    SHA1

    e6256a0159688f0560b015da4d967f41cbf8c9bd

    SHA256

    ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

    SHA512

    bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

  • C:\Users\Admin\AppData\Local\Temp\svhost.exe

    Filesize

    256KB

    MD5

    8fdf47e0ff70c40ed3a17014aeea4232

    SHA1

    e6256a0159688f0560b015da4d967f41cbf8c9bd

    SHA256

    ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

    SHA512

    bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

  • memory/1648-143-0x0000000004E80000-0x0000000004EA2000-memory.dmp

    Filesize

    136KB

  • memory/1648-149-0x0000000006400000-0x0000000006422000-memory.dmp

    Filesize

    136KB

  • memory/1648-148-0x0000000006EE0000-0x0000000006F76000-memory.dmp

    Filesize

    600KB

  • memory/1648-147-0x0000000006340000-0x000000000635A000-memory.dmp

    Filesize

    104KB

  • memory/1648-146-0x00000000074C0000-0x0000000007B3A000-memory.dmp

    Filesize

    6.5MB

  • memory/1648-145-0x0000000005E30000-0x0000000005E4E000-memory.dmp

    Filesize

    120KB

  • memory/1648-144-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/1648-140-0x0000000000000000-mapping.dmp

  • memory/1648-141-0x0000000004880000-0x00000000048B6000-memory.dmp

    Filesize

    216KB

  • memory/1648-142-0x0000000004EF0000-0x0000000005518000-memory.dmp

    Filesize

    6.2MB

  • memory/2444-134-0x0000000000000000-mapping.dmp

  • memory/2444-139-0x00000000051F0000-0x0000000005256000-memory.dmp

    Filesize

    408KB

  • memory/2444-138-0x0000000000750000-0x00000000007D6000-memory.dmp

    Filesize

    536KB

  • memory/4308-130-0x0000000000F40000-0x0000000000FEA000-memory.dmp

    Filesize

    680KB

  • memory/4308-133-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

    Filesize

    624KB

  • memory/4308-132-0x00000000059C0000-0x0000000005A52000-memory.dmp

    Filesize

    584KB

  • memory/4308-131-0x0000000006270000-0x0000000006814000-memory.dmp

    Filesize

    5.6MB