Analysis

  • max time kernel
    161s
  • max time network
    199s
  • 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, 12:15

General

  • Target

    183439d471609dc4b2f9879bb4bf8eca.exe

  • Size

    133KB

  • MD5

    183439d471609dc4b2f9879bb4bf8eca

  • SHA1

    d515aa0ed0303d8be9f1a9527f53ce5da34062c7

  • SHA256

    c4aada50d938222cbf25bc3a6897e0c75f54f0f6bb3ffc3a7cfbceb466354560

  • SHA512

    3aaa54cb5a86b193e76c5e13d4c806ce861bdbf26bd6a8ff2b9ec6a1b32e23337244141a5f8df0ac88fd1de3352775f86380af51a4c0592d76846bb7630d1798

  • SSDEEP

    3072:o+8ShjvbywEnSV/A8ImQvfpUY207gWHQh6+EQ:VjblEnS9opUA75/+EQ

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\183439d471609dc4b2f9879bb4bf8eca.exe
    "C:\Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe
      C:\Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\183439d471609dc4b2f9879bb4bf8eca.exe

    Filesize

    133KB

    MD5

    9a2c578a2d6c9f59be9a1d106301b68b

    SHA1

    9cebabfe25d78012e430d4e4219fe393509c6997

    SHA256

    f48584a942aa569c4698aaed0816c8c9afaeb6929d85a101d1ed7c12b3c59a20

    SHA512

    4bd49d3536733fb49759e3e8cff7f509d0105b3895e957462cc99691dfeb6900b6960204ec76d27db478817f818bded69ba2fe51c09c2a170044120540588d93

  • memory/1040-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1040-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1040-17-0x00000000000D0000-0x00000000000F1000-memory.dmp

    Filesize

    132KB

  • memory/1040-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4668-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4668-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/4668-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4668-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB