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, 16:28

General

  • Target

    f033c38c79592c8a5c840406a7a592ac.exe

  • Size

    5.5MB

  • MD5

    f033c38c79592c8a5c840406a7a592ac

  • SHA1

    aded4a88ae45f26601992887d1edd250be788009

  • SHA256

    8da0c906953a0b592afc5673f409b33a8641f3d8c74ba0f553ef671ee9f3ca80

  • SHA512

    47919eea7c1268b461b653692721ca4312ef9af853c929ae555ea1a7b29f3c551bbef04fc96b8c9b721a4a748f179b4775c687cc0955d7e2b1e998aabf852753

  • SSDEEP

    49152:0zseDVP3rLNlJk0laRXrqaN/3xuAAYuWnhay3vRmCFOGNj8mW4JH53R+wVG+l0yg:0ocDa7lR35mCckFR+vicS43

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\f033c38c79592c8a5c840406a7a592ac.exe
    "C:\Users\Admin\AppData\Local\Temp\f033c38c79592c8a5c840406a7a592ac.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\f033c38c79592c8a5c840406a7a592ac.exe
      C:\Users\Admin\AppData\Local\Temp\f033c38c79592c8a5c840406a7a592ac.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:5100

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\f033c38c79592c8a5c840406a7a592ac.exe

          Filesize

          41KB

          MD5

          47ba379197b4591b69a7bbab21dbe82b

          SHA1

          c4c7f950993a8b4f56bbce966fc6069c8d8cb739

          SHA256

          8c7a42592593012e9aff365d3b7fcbb81d245407ca2ecafa2591fde54a0bce49

          SHA512

          67f46fe45c732585a6253f6e5a56cef9666d5b3f01dbfe20d603e0794b6467a43bc2a8696c5bc28a0b6a1ba818ca8fe1f57bf7e1b4cc1a7ca912bd4e938a8585

        • memory/4500-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

          Filesize

          9.6MB

        • memory/4500-1-0x0000000002270000-0x00000000024CA000-memory.dmp

          Filesize

          2.4MB

        • memory/4500-2-0x0000000000400000-0x0000000000605000-memory.dmp

          Filesize

          2.0MB

        • memory/4500-13-0x0000000000400000-0x0000000000605000-memory.dmp

          Filesize

          2.0MB

        • memory/5100-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

          Filesize

          9.6MB

        • memory/5100-17-0x0000000002210000-0x000000000246A000-memory.dmp

          Filesize

          2.4MB

        • memory/5100-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

          Filesize

          9.6MB