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Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 15:17

General

  • Target

    7865afb075ace909a7f96284cfc8888d.exe

  • Size

    5.8MB

  • MD5

    7865afb075ace909a7f96284cfc8888d

  • SHA1

    51456dc1812ef94a71eeca54c58ea3b11f9b9093

  • SHA256

    707e0657c7766f99529fdf1265eaa9952cb3c1f3e7a79e892ed2e20dd42d3182

  • SHA512

    5f835d37d88934bae93e44ef0292daec4d2ca0dfbf2fe82ed9019f7014dd9a078be196576e79214976799a8eb90a81f18373938000d5e73a716428619c9797f6

  • SSDEEP

    98304:jjBxcO4EYTjigxC9Y5lpuG8RNay091BAWYgo:jjBxcO4jjSQIG8WyiJYL

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • NTFS ADS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7865afb075ace909a7f96284cfc8888d.exe
    "C:\Users\Admin\AppData\Local\Temp\7865afb075ace909a7f96284cfc8888d.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 1396
      2⤵
      • Program crash
      PID:616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ose.exe

    Filesize

    896KB

    MD5

    57db5c2e133f9cf09e63cb2dff5fb2df

    SHA1

    801d707fe702470d5d6bb7391775e9f9332f88fd

    SHA256

    eb4478a9b974854f41df36d223d321fd2680d75e9e2ea2dc55084f0a4701ae17

    SHA512

    1b3b5716660f002050d996f52701600a9d6c0837f2244b52f27cdfae0744881561b82bd1cea57b9a54ca66fd8df93342c20fed55a77bd2f13846146a93d7de01

  • memory/2212-0-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2212-147-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB