Analysis

  • max time kernel
    120s
  • 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
    18/09/2024, 22:35

General

  • Target
    ef69478c37196efd7575581bbe6b9d989fa7e8b12250a52b019c10866bd85567N.exe
  • Size 64KB
  • Sample240918-2hrcbawgpc
  • SHA256 ef69478c37196efd7575581bbe6b9d989fa7e8b12250a52b019c10866bd85567
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (4628) 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\ef69478c37196efd7575581bbe6b9d989fa7e8b12250a52b019c10866bd85567N.exe
    "C:\Users\Admin\AppData\Local\Temp\ef69478c37196efd7575581bbe6b9d989fa7e8b12250a52b019c10866bd85567N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp
        • Size 64KB
        • SHA256 2d901998a5f2005cfb6a33e8bb9048588587d4bc386ae904dba585768356b285
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 163KB
        • SHA256 3dc4388208220293092a5e8bb1ee9631ff70193888a66addf80187be0b1b225d
        • MD5 SHA1 SHA512 SSDEEP

        memory/2188-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/2188-878-0x0000000000400000-0x000000000040B000-memory.dmp