Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 12:35

General

  • Target
    18b0bf638a0c71d80172639dda2faa88.exe
  • Size 302KB
  • Sample231230-psep2shhel
  • SHA256 99bf7c99de0bccff96e35aca52aff43ad9813da7393b82c2a0bc0883b6ee05ae
  • MD5 SHA1 SHA512 SSDEEP
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.

  • 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\18b0bf638a0c71d80172639dda2faa88.exe
    "C:\Users\Admin\AppData\Local\Temp\18b0bf638a0c71d80172639dda2faa88.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Users\Admin\AppData\Local\Temp\18b0bf638a0c71d80172639dda2faa88.exe
      C:\Users\Admin\AppData\Local\Temp\18b0bf638a0c71d80172639dda2faa88.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        18b0bf638a0c71d80172639dda2faa88.exe

        • Path C:\Users\Admin\AppData\Local\Temp\18b0bf638a0c71d80172639dda2faa88.exe
        • Size 302KB
        • SHA256 14a17799dc1fdac382bab50cf1f904bac92583e4daf02054ab8e9e25177b0f0d
        • MD5 SHA1 SHA512 SSDEEP

        memory/3176-14-0x00000000014E0000-0x0000000001511000-memory.dmp

        memory/3176-17-0x0000000000400000-0x00000000004E0000-memory.dmp

        memory/3176-32-0x0000000000400000-0x00000000004E0000-memory.dmp

        memory/4148-0-0x0000000000400000-0x00000000004E0000-memory.dmp

        memory/4148-1-0x0000000021650000-0x0000000021681000-memory.dmp

        memory/4148-13-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/4148-2-0x0000000000400000-0x000000000043E000-memory.dmp