Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 18:33

General

  • Target

    fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216N.exe

  • Size

    91KB

  • MD5

    e0718f52ea032fcf4f13d89fb1349c30

  • SHA1

    a5213072ee2681173dac5ed1678df7c804813c2b

  • SHA256

    fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216

  • SHA512

    c24d0ea24e8d4dd664f3f7eb68b864fa5cc15965f8cb102468a9fde955c1bfaf84cb9c71dac58b93c0a940391da527ba766390b94061d662f351ddaeca6f0049

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5v:fnyiQSox5v

Malware Config

Signatures

  • Renames multiple (2843) 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\fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216N.exe
    "C:\Users\Admin\AppData\Local\Temp\fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini.tmp

    Filesize

    91KB

    MD5

    75eb3b1d32baf0c5a5fb4677cedceaf8

    SHA1

    40f18a099137c3af7e40d7ee405f83baea4c2cfc

    SHA256

    3d74f1a7a4b60b9891e130e8425ec0d0d30a65cdaca74f60f04a610ee646e866

    SHA512

    ce485b1f01f24169d000ed844905913857d91ccf4aa0d90a0ad3552cb06dfd1c67459bf88329d1e6a22435bb973ae5fc8dd33076d81ad6e6259cc87bb3c803f8

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

    Filesize

    100KB

    MD5

    4777b5a587a095b8631c0b0c85aa20ba

    SHA1

    a35db64adc18730ce008d6444d766918f9f6e0da

    SHA256

    21acd50d131e1fa5101b58f6a4e2251839d38fd4acf34aa585947934dc03ac39

    SHA512

    f52810b4662025bdcbc656472a429a04d1eb11a1020b1110a3eda446771107b2ce29805d211bbbf4e0a6057d884fd1756d1c315bfc65fdaafcad308ad6673102

  • memory/2344-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2344-68-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB