Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 01:28

General

  • Target

    a5087af087c99c645202dfc1e0134c4f029a6b69a9f951d0475bbbce74fb7c4a.exe

  • Size

    98KB

  • MD5

    cd9f2391e7770809e85392db6c3645f0

  • SHA1

    b400e04c6d056a46faeac733cec58f96f5dbfaff

  • SHA256

    a5087af087c99c645202dfc1e0134c4f029a6b69a9f951d0475bbbce74fb7c4a

  • SHA512

    f4a8445cdacbac04143ef8081d5337fc73de3a53a276dcb705b8b431c856a7c69026c4bcf28beb2243df085a8298cc8dfd11aefdffa97c089a6621583bb7248d

  • SSDEEP

    1536:a7ZyqaFAlsr1++PJHJXFAIuZAIuyxX5rQul8:enaym3AIuZAIuyxJrQul8

Score
9/10

Malware Config

Signatures

  • Renames multiple (3481) 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\a5087af087c99c645202dfc1e0134c4f029a6b69a9f951d0475bbbce74fb7c4a.exe
    "C:\Users\Admin\AppData\Local\Temp\a5087af087c99c645202dfc1e0134c4f029a6b69a9f951d0475bbbce74fb7c4a.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2084

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-2737914667-933161113-3798636211-1000\desktop.ini.tmp

    Filesize

    98KB

    MD5

    b0fc827c7da45df37a400ccf8f40029c

    SHA1

    a08555fd5e8d968d37c13af179798079c66a7bb1

    SHA256

    e86f39e108d4a76ee7705011c0da07ef2c4ac48b6a78ac08c5d42190a2002652

    SHA512

    09845f9e87d3783087f48ea8efdace3d658069624977d98d0b155c0ec40e33f9cba522790954e107f804163a4df2ef44fec6b89cdc7f72574933e998ff2a3173

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    107KB

    MD5

    45f116b4b8bb270e021db8dc024cc118

    SHA1

    5fd21e096895bd543fc6122227192b2d2f679b68

    SHA256

    dcf2aa87af6c749f3673f56384889dafaba2d363665cd90a4edf7547dda39e68

    SHA512

    030fd260e60e97bf1a5440bca33218700bbba0a6be6dd4a052a44a64d5aedd5de96c2b6da7413a357675821e7999f86de44d6b13c40e009cad9fbf8e9465242b

  • memory/2084-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2084-646-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB