Analysis

  • max time kernel
    87s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 07:38

General

  • Target

    8bc41fe1c10766345a3f337d57bd2683.exe

  • Size

    133KB

  • MD5

    8bc41fe1c10766345a3f337d57bd2683

  • SHA1

    23b4d02d0fbf279ba9bc4a6b15aa980b85da147d

  • SHA256

    cb3381e784807a18cfada0e07e4fa2c743f54692a26047e4e3dd84ecde92d22b

  • SHA512

    456c63a4028206719dca4438f67c00b18b9063dfd3880cc01bd207bb6703c74b1b6ff7dcd1d8b4f5308daacc80d3844caaa7d5792669327b7de29c5e557d5188

  • SSDEEP

    3072:WLJ1WYeZQbeB2aNWEOg+HJGHTfQ2KlhU6DgIqicwxMDQ:W8vWEOCK/UAcwmDQ

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\8bc41fe1c10766345a3f337d57bd2683.exe
    "C:\Users\Admin\AppData\Local\Temp\8bc41fe1c10766345a3f337d57bd2683.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\8bc41fe1c10766345a3f337d57bd2683.exe
      C:\Users\Admin\AppData\Local\Temp\8bc41fe1c10766345a3f337d57bd2683.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\8bc41fe1c10766345a3f337d57bd2683.exe

    Filesize

    133KB

    MD5

    6fe40e7cb1d6e2b97e03d51a38ccf7fc

    SHA1

    d6f3f4c57c421d4fa3e8b9785f594c82af171b95

    SHA256

    a2ac2774d3de70a3846c58b9b120d7a1632f77ab83647e975dd843a5e5c68455

    SHA512

    4263889bedd4d6613039dff196667d3221fd4b6a30423230da7287b4e652a6d4c5572f24612f308ddd4f6db6cc282c7beeba5704fc9881a446c3355794bc1679

  • memory/1724-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1724-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/1724-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1724-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3616-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3616-18-0x00000000001B0000-0x00000000001D1000-memory.dmp

    Filesize

    132KB

  • memory/3616-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB