Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 12:39

General

  • Target
    fb9e51f3eb30c1bae33f1ddf85f5c575fd6269dc8b01a5511ecbcea6516cd1cd.exe
  • Size 112KB
  • Sample240902-pvpm2azfrk
  • SHA256 fb9e51f3eb30c1bae33f1ddf85f5c575fd6269dc8b01a5511ecbcea6516cd1cd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (5018) 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\fb9e51f3eb30c1bae33f1ddf85f5c575fd6269dc8b01a5511ecbcea6516cd1cd.exe
    "C:\Users\Admin\AppData\Local\Temp\fb9e51f3eb30c1bae33f1ddf85f5c575fd6269dc8b01a5511ecbcea6516cd1cd.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4736

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp
        • Size 112KB
        • SHA256 4377c4059d70c9f213713ce3752360454db554761f013843693b6e1d77f90ec8
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 211KB
        • SHA256 3026283ed91c668b87b2e97b7ba85f7ef2fe64428f49abddd60652915f887786
        • MD5 SHA1 SHA512 SSDEEP

        memory/4736-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/4736-854-0x0000000000400000-0x000000000040B000-memory.dmp