Overview

overview

10

Static

static

commercial...st.exe

windows7_x64

10

commercial...st.exe

windows10_x64

10

Analysis

  • max time kernel
    60s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    23/07/2020, 13:50

Sharing

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General

  • Target
    commercial invoice + packing list.exe
  • Size 727KB
  • Sample200723-3w23xv2fda
  • SHA256 97938446027c2f5c4c5eeebff3b37cb3812da2fe45f092fbe84da5c590a25a85
  • MD5 SHA1 SHA512
Score
10/10
upxspywarepersistencekeyloggertrojanstealeragenttesla

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

    keyloggertrojanstealerspywareagenttesla

Processes

  • C:\Users\Admin\AppData\Local\Temp\commercial invoice + packing list.exe
    "C:\Users\Admin\AppData\Local\Temp\commercial invoice + packing list.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\commercial invoice + packing list.exe
      "C:\Users\Admin\AppData\Local\Temp\commercial invoice + packing list.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      PID:364
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Modifies service
        PID:1880
    • C:\Users\Admin\AppData\Local\Temp\commercial invoice + packing list.exe
      "C:\Users\Admin\AppData\Local\Temp\commercial invoice + packing list.exe" 2 364 78000
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:384

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/364-0-0x0000000000400000-0x00000000004B1000-memory.dmp
        Download

        memory/364-3-0x0000000000400000-0x00000000004B1000-memory.dmp
        Download

        memory/364-4-0x0000000000400000-0x00000000004B1000-memory.dmp
        Download

        memory/364-5-0x0000000000370000-0x00000000003C2000-memory.dmp
        Download

        memory/364-6-0x0000000001FC2000-0x0000000001FC3000-memory.dmp
        Download

        memory/364-7-0x0000000000220000-0x000000000026C000-memory.dmp
        Download