Analysis

  • max time kernel
    128s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    28-03-2022 20:50

General

  • Target

    5f8a84bc4ecfc9e800e1d5e1c2bfa79acfa9548983769b70289d9b19943cb4bc.exe

  • Size

    1.0MB

  • MD5

    8120df9b2ed51328ce8df5a6ab4d498a

  • SHA1

    1b312069c24d2ceb384b8bed9c4a58fb932c89b2

  • SHA256

    5f8a84bc4ecfc9e800e1d5e1c2bfa79acfa9548983769b70289d9b19943cb4bc

  • SHA512

    44bcd103fed8c7e0b55a0c82563a974845b828c2ec23f629298b466c012dcd05b6c03cab0adf884eadb4241997b805a490836daff86097230d755c32bcbabd61

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main Payload 2 IoCs
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f8a84bc4ecfc9e800e1d5e1c2bfa79acfa9548983769b70289d9b19943cb4bc.exe
    "C:\Users\Admin\AppData\Local\Temp\5f8a84bc4ecfc9e800e1d5e1c2bfa79acfa9548983769b70289d9b19943cb4bc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      PID:1804
    • C:\Users\Admin\AppData\Local\Temp\5f8a84bc4ecfc9e800e1d5e1c2bfa79acfa9548983769b70289d9b19943cb4bc.exe
      "C:\Users\Admin\AppData\Local\Temp\5f8a84bc4ecfc9e800e1d5e1c2bfa79acfa9548983769b70289d9b19943cb4bc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\5f8a84bc4ecfc9e800e1d5e1c2bfa79acfa9548983769b70289d9b19943cb4bc.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2848

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1152-144-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-135-0x0000000000A80000-0x0000000000B06000-memory.dmp

    Filesize

    536KB

  • memory/1152-148-0x0000000005740000-0x00000000057A6000-memory.dmp

    Filesize

    408KB

  • memory/1152-134-0x0000000000A80000-0x0000000000B06000-memory.dmp

    Filesize

    536KB

  • memory/1152-146-0x0000000004E80000-0x0000000004F12000-memory.dmp

    Filesize

    584KB

  • memory/1152-136-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-137-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-138-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-140-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-139-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-141-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-147-0x0000000005190000-0x0000000005734000-memory.dmp

    Filesize

    5.6MB

  • memory/1152-142-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-145-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/1152-143-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

    Filesize

    4KB

  • memory/2848-152-0x0000000005820000-0x0000000005842000-memory.dmp

    Filesize

    136KB

  • memory/2848-150-0x0000000002DE0000-0x0000000002E16000-memory.dmp

    Filesize

    216KB

  • memory/2848-151-0x00000000058B0000-0x0000000005ED8000-memory.dmp

    Filesize

    6.2MB

  • memory/2848-153-0x0000000006010000-0x0000000006076000-memory.dmp

    Filesize

    408KB

  • memory/2848-156-0x0000000006BE0000-0x0000000006BFA000-memory.dmp

    Filesize

    104KB

  • memory/2848-155-0x0000000007F40000-0x00000000085BA000-memory.dmp

    Filesize

    6.5MB

  • memory/2848-154-0x00000000066F0000-0x000000000670E000-memory.dmp

    Filesize

    120KB

  • memory/2848-157-0x0000000002E65000-0x0000000002E67000-memory.dmp

    Filesize

    8KB

  • memory/2848-158-0x0000000007960000-0x00000000079F6000-memory.dmp

    Filesize

    600KB

  • memory/2848-159-0x0000000006CC0000-0x0000000006CE2000-memory.dmp

    Filesize

    136KB

  • memory/3668-131-0x0000000002160000-0x0000000002175000-memory.dmp

    Filesize

    84KB