Analysis

  • max time kernel
    144s
  • max time network
    151s
  • 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, 03:35

General

  • Target
    5c1bf41cb19bfe571522c12530606f8c.exe
  • Size 1.0MB
  • Sample231222-d5ep2abagq
  • SHA256 712bd6c573f8bc5d8bb2ddc0f9d67e031c40cf7870acd784ce7e76924171af9b
  • MD5 SHA1 SHA512 SSDEEP
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\5c1bf41cb19bfe571522c12530606f8c.exe
    "C:\Users\Admin\AppData\Local\Temp\5c1bf41cb19bfe571522c12530606f8c.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\5c1bf41cb19bfe571522c12530606f8c.exe
      C:\Users\Admin\AppData\Local\Temp\5c1bf41cb19bfe571522c12530606f8c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1624

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        5c1bf41cb19bfe571522c12530606f8c.exe

        • Path C:\Users\Admin\AppData\Local\Temp\5c1bf41cb19bfe571522c12530606f8c.exe
        • Size 1.0MB
        • SHA256 39374cffeef2456dc9efbb3831924d63571429371b880712be98c0f9b68d11b1
        • MD5 SHA1 SHA512 SSDEEP

        memory/1624-15-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/1624-18-0x00000000001B0000-0x00000000001D1000-memory.dmp

        memory/1624-32-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/2240-0-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/2240-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

        memory/2240-2-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2240-14-0x0000000000400000-0x000000000041F000-memory.dmp