Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/01/2024, 06:11

General

  • Target

    4fcbb9b1502ea383dd4f28f4bd11939e.exe

  • Size

    1.3MB

  • MD5

    4fcbb9b1502ea383dd4f28f4bd11939e

  • SHA1

    19bcdb6fde89e393b6f0350c85b0ab6316062ed4

  • SHA256

    ea58d8ae80899d82dbc43dde79954deaa7dfdaefd24457827c4968c47df24f59

  • SHA512

    ffd8723b1a362aacc7f36d788800596a4f0573f8476aa531db129b8ec6e20f5c8e7770fe8fb5b7f919c9822307c179d20bb5e001470aa8456668503c83f0288f

  • SSDEEP

    12288:xHJF06Fx9TrvDV0xxJAQAC/ecovvJTXarGI/Xd0kK6cEqH05DRBnOivE1lkVunjs:t06tPvB6/VAJbqN66c+9Bni1laMj9vG

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fcbb9b1502ea383dd4f28f4bd11939e.exe
    "C:\Users\Admin\AppData\Local\Temp\4fcbb9b1502ea383dd4f28f4bd11939e.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Users\Admin\AppData\Local\Temp\4fcbb9b1502ea383dd4f28f4bd11939e.exe
      C:\Users\Admin\AppData\Local\Temp\4fcbb9b1502ea383dd4f28f4bd11939e.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2572

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2572-15-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2572-17-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2572-16-0x0000000001870000-0x0000000001982000-memory.dmp

    Filesize

    1.1MB

  • memory/2572-24-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/4948-0-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/4948-1-0x0000000001C60000-0x0000000001D72000-memory.dmp

    Filesize

    1.1MB

  • memory/4948-2-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/4948-14-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB