Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2024, 12:33

General

  • Target

    5b3ecaaf9a71c700ed33e8d9ca999270.exe

  • Size

    2.6MB

  • MD5

    5b3ecaaf9a71c700ed33e8d9ca999270

  • SHA1

    301dbcb3559d6e8ed98870b66965873db9b9f503

  • SHA256

    275ba18803772e43f4f93a6fec5ef6daf35a1fc2f7980007811a467cf431e9a9

  • SHA512

    cfd2918000745f34abeb10c5a2df950e9cba08a0e20ea76333e7c706f80f306e4614026f326b53fd20362aa1c34d0990803facfc900fc466256a142de92748b0

  • SSDEEP

    49152:5m/rBvFiaFwDnSw5g3w5XKCDqfOhD8mrwGZ/0WpIay3:UJFWSegWqmdrwR3

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\5b3ecaaf9a71c700ed33e8d9ca999270.exe
    "C:\Users\Admin\AppData\Local\Temp\5b3ecaaf9a71c700ed33e8d9ca999270.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\5b3ecaaf9a71c700ed33e8d9ca999270.exe
      C:\Users\Admin\AppData\Local\Temp\5b3ecaaf9a71c700ed33e8d9ca999270.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5b3ecaaf9a71c700ed33e8d9ca999270.exe

    Filesize

    898KB

    MD5

    0e9521b22d14fd2bc74be9c3112fdddc

    SHA1

    bb9248a99d5e6c0df3eee93824ede1c133302810

    SHA256

    c2a4436399f8199c162b00de403376d2e72b1b176a7a1687b632a5c25ecaafd5

    SHA512

    8e743243ff418c8fbade04760c150489debc514c05b7a7aa1edd66062eaf7b98621762fe79816241d11fed34fbf4e525e60fe7f950176d2a13b5afb5820b8d6b

  • memory/1456-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1456-1-0x00000000021C0000-0x000000000241A000-memory.dmp

    Filesize

    2.4MB

  • memory/1456-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1456-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2876-15-0x0000000002210000-0x000000000246A000-memory.dmp

    Filesize

    2.4MB

  • memory/2876-17-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2876-31-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB