Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 02:06

General

  • Target
    a506399e6a1e4dec51ff9014517d01fcf1065137b6af1d81f9d9f192bb5b3645.exe
  • Size 42KB
  • Sample240612-cjdeeaydln
  • SHA256 a506399e6a1e4dec51ff9014517d01fcf1065137b6af1d81f9d9f192bb5b3645
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5274) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a506399e6a1e4dec51ff9014517d01fcf1065137b6af1d81f9d9f192bb5b3645.exe
    "C:\Users\Admin\AppData\Local\Temp\a506399e6a1e4dec51ff9014517d01fcf1065137b6af1d81f9d9f192bb5b3645.exe"
    1⤵
    • Drops file in Program Files directory
    PID:5008

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2080292272-204036150-2159171770-1000\desktop.ini.tmp
        • Size 42KB
        • SHA256 89a2d48617228861b5991562193c415a35f646ce7675e1146c74d19743861295
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 141KB
        • SHA256 296e4376d4a555b705615263c8e664011cc33ee69b07f7668a2a4db1fa925de9
        • MD5 SHA1 SHA512 SSDEEP

        memory/5008-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/5008-1214-0x0000000000400000-0x000000000040A000-memory.dmp