Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 19:39

General

  • Target
    23afc3a97c8732e4b2ef27e4058dbfe267d39e9f02ce05dc999d20c89fad8d0b.exe
  • Size 113KB
  • Sample240611-ydf41ayflc
  • SHA256 23afc3a97c8732e4b2ef27e4058dbfe267d39e9f02ce05dc999d20c89fad8d0b
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (5156) 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\23afc3a97c8732e4b2ef27e4058dbfe267d39e9f02ce05dc999d20c89fad8d0b.exe
    "C:\Users\Admin\AppData\Local\Temp\23afc3a97c8732e4b2ef27e4058dbfe267d39e9f02ce05dc999d20c89fad8d0b.exe"
    1⤵
    • Drops file in Program Files directory
    PID:4912

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-2539840389-1261165778-1087677076-1000\desktop.ini.tmp
        • Size 113KB
        • SHA256 4fc85440b7f158ff56505c8a655e7118305211b1166cf8b14a0f1d0cab629c1b
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 212KB
        • SHA256 2f70cdfc0858233649edfea73678f6aa5b42a00231393e7707f69f7716faf816
        • MD5 SHA1 SHA512 SSDEEP

        memory/4912-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/4912-1108-0x0000000000400000-0x000000000040A000-memory.dmp