Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 01:52

General

  • Target

    726955cfa25a870e192d8f38feb1890328af8474a5426452e2edd7c78eface0cN.exe

  • Size

    63KB

  • MD5

    da404026ab952da41d2890c66312e430

  • SHA1

    9967ed0ab0e2f97bea5994fc54b4adb11b17e28e

  • SHA256

    726955cfa25a870e192d8f38feb1890328af8474a5426452e2edd7c78eface0c

  • SHA512

    a5f9e1a6e6dd4773d7f322580590c7dd70f8846596a7d7402f4583568827f215e85d5e1dc016da14d730204e99f57ff90d6fe83efc130056901dffc1aaa6c863

  • SSDEEP

    1536:V7Zf/FAxTWoJJ7T3cFMOu/h6HSKX/8KX/FdyGdyH:fny1bcH0

Malware Config

Signatures

  • Renames multiple (4311) 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\726955cfa25a870e192d8f38feb1890328af8474a5426452e2edd7c78eface0cN.exe
    "C:\Users\Admin\AppData\Local\Temp\726955cfa25a870e192d8f38feb1890328af8474a5426452e2edd7c78eface0cN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp

    Filesize

    63KB

    MD5

    47492966ec3abcac5dadff55dd26d339

    SHA1

    4645e486a608d657ad9b1c4b196df774fcfa8503

    SHA256

    8e985af26846fcce7e30c41712958f82cf6dc182d597027571a7a855eb0f2453

    SHA512

    c39b846166f299a844c4f6c611a87f8dd102ec350ba8a68e5cd5970004ba524d9a00136960a22de42fadc8dd956ee4b2b3c8000004971529057dab2dd31c12e1

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    162KB

    MD5

    86a9e99f719dd7fac506b5ffceb6a262

    SHA1

    97e3faed0f40f01f1215459fd52208e3a4d5944a

    SHA256

    108b506102bebe225298cd24d54089d95d1dc2a8ed1aad67546445c021353f11

    SHA512

    a0bd4d08003548161d6db872250f812183d799ee64ac027c0d03c4934554c155bebf9193fac8ce7e49d0aa36664d5a918c150b448d8b20c30b2f0a35c93204b6

  • memory/4972-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4972-656-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB