Analysis

  • max time kernel
    138s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2024, 03:13

General

  • Target

    57d4c5f3a4b9b2fc395a7bd8f44a7b90.exe

  • Size

    133KB

  • MD5

    57d4c5f3a4b9b2fc395a7bd8f44a7b90

  • SHA1

    3faa81bc50dd3dd404e87a288d87c7d027b8535f

  • SHA256

    49dc36b64ce9b590b033179093f6b57b1a7da3ef8278557b723b228bc7cca296

  • SHA512

    58fce60f6b7297565096225e70a798d7d5ee353678135291bb3752e02a99cd53e18ffdabccb96e4d6b2622be5f30e6dbf2d5dd4468a1761b338c096e6970d40a

  • SSDEEP

    3072:zav+TNtrPXT2Pc/K3VjCfulGVWktAnOrUdJJxkIofvVdqsQ:zPNlPPC3VjzlUWdOYdfxkxVDQ

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\57d4c5f3a4b9b2fc395a7bd8f44a7b90.exe
    "C:\Users\Admin\AppData\Local\Temp\57d4c5f3a4b9b2fc395a7bd8f44a7b90.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\57d4c5f3a4b9b2fc395a7bd8f44a7b90.exe
      C:\Users\Admin\AppData\Local\Temp\57d4c5f3a4b9b2fc395a7bd8f44a7b90.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\57d4c5f3a4b9b2fc395a7bd8f44a7b90.exe

    Filesize

    1KB

    MD5

    1eba86e4a4119b890cbc8a2d212f5196

    SHA1

    91f062c528604e5d6fadea4d26309db4c9daec16

    SHA256

    898d4089fd1a31dbc611db80de80995b021447777dbd9a33cf7e34da5bae17e4

    SHA512

    a0acdc05bf706a481c24e0fe0e656abdf44208a9e34df491fa8b8022a5fb31591d234c004fa8e9c2cb179b386cc0f95d1fdd8a1133bbbd72793b35ac3366de8d

  • memory/1684-16-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1684-19-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/1684-32-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1976-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1976-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/1976-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1976-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB