Overview

overview

10

Static

static

KYMVDH2001...df.exe

windows7_x64

10

KYMVDH2001...df.exe

windows10_x64

10

Analysis

  • max time kernel
    24s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    14/10/2020, 15:21

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General

  • Target
    KYMVDH2001015 川泰_pdf.exe
  • Size 964KB
  • Sample201014-pch2e3k7nj
  • SHA256 1d3286d29155618ebaf43cfebc809f80daa7d247b9e3c872ea5c48c8109afcd0
  • MD5 SHA1 SHA512
Score
10/10
upxspywarestealermasslogger

Malware Config

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • MassLogger Main Payload 3 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KYMVDH2001015 川泰_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\KYMVDH2001015 川泰_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\KYMVDH2001015 川泰_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\KYMVDH2001015 川泰_pdf.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1044

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1044-1-0x0000000000400000-0x000000000051F000-memory.dmp
        Download

        memory/1044-3-0x0000000000400000-0x000000000051F000-memory.dmp
        Download

        memory/1044-4-0x0000000000400000-0x000000000051F000-memory.dmp
        Download

        memory/1044-5-0x00000000005B0000-0x0000000000636000-memory.dmp
        Download

        memory/1044-6-0x00000000002C2000-0x00000000002C3000-memory.dmp
        Download

        memory/1044-7-0x0000000000220000-0x00000000002A1000-memory.dmp
        Download

        memory/1044-9-0x00000000739C0000-0x00000000740AE000-memory.dmp
        Download

        memory/1108-0-0x0000000000400000-0x00000000004F8000-memory.dmp
        Download