Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 14:08

General

  • Target

    b7cc7a5438d8267a93ab98dead6c19cf.exe

  • Size

    133KB

  • MD5

    b7cc7a5438d8267a93ab98dead6c19cf

  • SHA1

    996b2e78387c97a2cdb32ea7ca4d6302bbc78a22

  • SHA256

    d36c5c5e9b36fbba64e0d4201eb78374f09f1a0a1371877e673b58c354151349

  • SHA512

    1b23702adc4f977a0a3259102e8878ba5599a929dd070dc2a159c8bc2fd0a82d6ff1e965705287413041d1c8a27e31438ec70a6556f0d25edeedbf552800bf61

  • SSDEEP

    3072:XI/IEKfLNAaIuZnSTLnlwzxFc1+dimRmqHMKiaXzCuYxXiGiQ:Y/TKfSaIu9cLwxOMImDL/YpiGiQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7cc7a5438d8267a93ab98dead6c19cf.exe
    "C:\Users\Admin\AppData\Local\Temp\b7cc7a5438d8267a93ab98dead6c19cf.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Users\Admin\AppData\Local\Temp\b7cc7a5438d8267a93ab98dead6c19cf.exe
      C:\Users\Admin\AppData\Local\Temp\b7cc7a5438d8267a93ab98dead6c19cf.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\b7cc7a5438d8267a93ab98dead6c19cf.exe

    Filesize

    75KB

    MD5

    bdc376ead5fc32b248e7fbb50f63c5a9

    SHA1

    4e65c9d73d3be49805197486155a25e8f74bfd23

    SHA256

    a6a32e69073c310477bace1160c4e26e7bc6d2439f501ad8de58485780872f4b

    SHA512

    8fd79a83aadaf3b58affe702822d8520aa3282e0d98d8766607e28ee04c86af7c0d61aee76fce2f18d26d3e0a1b8b78c8154cb09e79974e351ff471f09fc2fe7

  • memory/216-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/216-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/216-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/216-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/2128-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2128-17-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2128-16-0x00000000000D0000-0x00000000000F1000-memory.dmp

    Filesize

    132KB

  • memory/2128-33-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB