Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/06/2024, 00:50

General

  • Target
    a09602b88bb4fd07db76540afbb526caae0777f6cca460dc75e0e77db8895852.exe
  • Size 46KB
  • Sample240616-a6ymrascka
  • SHA256 a09602b88bb4fd07db76540afbb526caae0777f6cca460dc75e0e77db8895852
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (3434) 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\a09602b88bb4fd07db76540afbb526caae0777f6cca460dc75e0e77db8895852.exe
    "C:\Users\Admin\AppData\Local\Temp\a09602b88bb4fd07db76540afbb526caae0777f6cca460dc75e0e77db8895852.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2008

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini.tmp
        • Size 47KB
        • SHA256 935a8ea324b763b207100d420106c03597c9fe13a08b44b443ca34de542898f5
        • MD5 SHA1 SHA512 SSDEEP

        Office64WW.xml.tmp

        • Path C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
        • Size 55KB
        • SHA256 51b4ce56b0fdf31448bbe2bacc8bec460bc12de27dec316036e4c6e016cf760c
        • MD5 SHA1 SHA512 SSDEEP

        memory/2008-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/2008-74-0x0000000000400000-0x000000000040A000-memory.dmp