Analysis

  • max time kernel
    120s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/10/2024, 01:32

General

  • Target
    30bad2c3c4c15f6be77ab0c1fdd999283696f651c5f5c9eb0352265330b39f6aN.exe
  • Size 85KB
  • Sample241023-byeeksvbmh
  • SHA256 30bad2c3c4c15f6be77ab0c1fdd999283696f651c5f5c9eb0352265330b39f6a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (3930) files with added filename extension

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

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\30bad2c3c4c15f6be77ab0c1fdd999283696f651c5f5c9eb0352265330b39f6aN.exe
    "C:\Users\Admin\AppData\Local\Temp\30bad2c3c4c15f6be77ab0c1fdd999283696f651c5f5c9eb0352265330b39f6aN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2264

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.tmp
        • Size 85KB
        • SHA256 1e6aa946a3653c02154be6c345c7e559ac564505e018d4bdf3e3791dd6403d89
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 184KB
        • SHA256 55178f6a3892b2a8fcdf14b4ae92268aae7641adc81ae4cc7cf731ff42d6b0b4
        • MD5 SHA1 SHA512 SSDEEP

        memory/2264-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/2264-650-0x0000000000400000-0x000000000040B000-memory.dmp