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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 08:16

General

  • Target

    c823acba99fc7871d1da856a7eb5afaf.exe

  • Size

    133KB

  • MD5

    c823acba99fc7871d1da856a7eb5afaf

  • SHA1

    fde2d0d1e441c0694c19ea6251890bd05c825754

  • SHA256

    5fce42f967fa7306be562ce821921afdb0cd8785ec47b9fbc581faed5596a691

  • SHA512

    f1410aeef495de7b1ec352d997066a36a7c15cbf92b98fc28dbe5fab94ac801f6269f105ba874362c30a497d4e526fcbb1e6839b7d69d92683d7df4b8fe62cec

  • SSDEEP

    3072:i5q6X1h7OpolLljthWOwupM75ZoU+yPT8M/7N8Pr4Q:i5/LljtAmM7b/bPoupk4Q

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\c823acba99fc7871d1da856a7eb5afaf.exe
    "C:\Users\Admin\AppData\Local\Temp\c823acba99fc7871d1da856a7eb5afaf.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\Temp\c823acba99fc7871d1da856a7eb5afaf.exe
      C:\Users\Admin\AppData\Local\Temp\c823acba99fc7871d1da856a7eb5afaf.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\c823acba99fc7871d1da856a7eb5afaf.exe

    Filesize

    133KB

    MD5

    c8b2deb94c6fde9175382b256519ee66

    SHA1

    8aef7a803f35cf532bf6afdb4581f380a943f993

    SHA256

    5ae66ebb7b6df2dbe512b8a68fea69e7c39a59fe3bb83e59eaef3277ee767eca

    SHA512

    75f770e98dc65b854ea3bf9aaddbf31881b7c98d99602a56d30427c9c23829d7f7571d46bf14bc798654367b12294d2747e06bc0b7c96684fbb64eabda202960

  • memory/536-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/536-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/536-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/536-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4616-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4616-17-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/4616-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4616-32-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB