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Analysis

  • max time kernel
    27s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 10:51

General

  • Target

    fb20d8c51a6b8aeabb76af3edf7135b1f8e1a6bf773b125fc3bd198335f2c89f.exe

  • Size

    90KB

  • MD5

    6012cd2cd53b7146d98d7dc9a35a915c

  • SHA1

    483be2dbaffcb1d5bc64b17f5befb7697eac42d8

  • SHA256

    fb20d8c51a6b8aeabb76af3edf7135b1f8e1a6bf773b125fc3bd198335f2c89f

  • SHA512

    20b1089ff481374d70d1eaf9a75a9bf46099e0ad3f9c3bb6f2c4df58cea8bcc83c19363a73c82d4a4bad2db3870e99212d35c888a9cf6627666ffa5b654abe88

  • SSDEEP

    1536:RcgKj/QfjpUK+OtwQR5LY8eRH2ZyqmTS/0ekBdHHJ2ML5BDYcfbU:REAr+OtwQRJyH2IbG+dJ2GThbU

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb20d8c51a6b8aeabb76af3edf7135b1f8e1a6bf773b125fc3bd198335f2c89f.exe
    "C:\Users\Admin\AppData\Local\Temp\fb20d8c51a6b8aeabb76af3edf7135b1f8e1a6bf773b125fc3bd198335f2c89f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\fb20d8c51a6b8aeabb76af3edf7135b1f8e1a6bf773b125fc3bd198335f2c89f.exe
      "C:\Users\Admin\AppData\Local\Temp\fb20d8c51a6b8aeabb76af3edf7135b1f8e1a6bf773b125fc3bd198335f2c89f.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Adds Run key to start application
      PID:1668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1668-54-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1668-55-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1668-57-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1668-58-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1668-61-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1668-62-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1668-63-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB