Analysis

  • max time kernel
    106s
  • max time network
    131s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-06-2024 13:07

General

  • Target

    b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe

  • Size

    266KB

  • MD5

    5bdaf068932904923c9a3f6ae8310540

  • SHA1

    bd27c2d0bf0a6989d834da21d47883301af85a67

  • SHA256

    b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73

  • SHA512

    37b70d9ab02b713e67e5058707b263b0a853742bf11202b1e94a2113aa5124f03114d60ce1c084576d015abc15126dfb779cfa9fda13442eaf2b911a670eb5f8

  • SSDEEP

    6144:WXzKdNY49u8rVJ7tDnsHHN4oqXGv01net:ta4A2zsHt4jo01

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe
    "C:\Users\Admin\AppData\Local\Temp\b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
      "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
      2⤵
      • Executes dropped EXE
      PID:4916
    • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
      "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
      2⤵
      • Executes dropped EXE
      PID:744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

    Filesize

    87KB

    MD5

    368332fca74f48697d842c5f4698ae1d

    SHA1

    0275153a1e62bd0eca0b02168895517ed66aac56

    SHA256

    3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

    SHA512

    fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

  • memory/4348-0-0x0000000000360000-0x0000000000400000-memory.dmp

    Filesize

    640KB

  • memory/4348-14-0x0000000000360000-0x0000000000400000-memory.dmp

    Filesize

    640KB