Analysis

  • max time kernel
    120s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 18:47

General

  • Target
    d28e1087282cea8fd3d458a071f6526da7d515a5ce074bcd69ef284fa801760bN.exe
  • Size 93KB
  • Sample241005-xfkdrstgnf
  • SHA256 d28e1087282cea8fd3d458a071f6526da7d515a5ce074bcd69ef284fa801760b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (4648) 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\d28e1087282cea8fd3d458a071f6526da7d515a5ce074bcd69ef284fa801760bN.exe
    "C:\Users\Admin\AppData\Local\Temp\d28e1087282cea8fd3d458a071f6526da7d515a5ce074bcd69ef284fa801760bN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3196

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp
        • Size 93KB
        • SHA256 6a9ec25f447c92d078729d9dc80fe8c11263f39b36572beea8ef4a821d49f059
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 192KB
        • SHA256 b35c114df1dd7f2293bdc68660d035cc926ca20153f8c7c6b73b7452f351fb11
        • MD5 SHA1 SHA512 SSDEEP

        memory/3196-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/3196-912-0x0000000000400000-0x000000000040B000-memory.dmp