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Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/06/2024, 05:55

General

  • Target

    b9a5a73bc846ffd3bb8472dd1edb752b6e6d6603dbc6c1473f60176530315a9c.exe

  • Size

    266KB

  • MD5

    4c10c4dd500778c6e8b10d2eb3693596

  • SHA1

    c3c27c404c670189ab651a5f21abe5d64c7d98e7

  • SHA256

    b9a5a73bc846ffd3bb8472dd1edb752b6e6d6603dbc6c1473f60176530315a9c

  • SHA512

    6834ac9fac67f607688aec5298cbc07eae75a9afa64ee57f8b7d08d12fff05908ed077659497809c57d1c585fb1904d09689d1d4758a358e6385f6d6811317a4

  • SSDEEP

    3072:/NXEGZJWhfNFC4S60+XoLczrVmX7V0H55pzWGLiw6Zau4NDBzdrmaDbIItD3CH0W:FXzKdNY49u8rVSV0kwzz9JDu01net

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 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\b9a5a73bc846ffd3bb8472dd1edb752b6e6d6603dbc6c1473f60176530315a9c.exe
    "C:\Users\Admin\AppData\Local\Temp\b9a5a73bc846ffd3bb8472dd1edb752b6e6d6603dbc6c1473f60176530315a9c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4704
    • 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:864
    • 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:4592

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/4704-0-0x0000000000DD0000-0x0000000000E70000-memory.dmp

    Filesize

    640KB

  • memory/4704-14-0x0000000000DD0000-0x0000000000E70000-memory.dmp

    Filesize

    640KB

  • memory/4704-15-0x0000000000DD0000-0x0000000000E70000-memory.dmp

    Filesize

    640KB