Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 01:09

General

  • Target

    98f9d3d10a8fc3fc892bb398618116ed94480e5c855aca8d3e29feafb2859c80.exe

  • Size

    64KB

  • MD5

    54206afc4f4ed0137dfe042126a14041

  • SHA1

    5e17dbe71e1909bbad7a4c5e0ffb8a11d722a8e8

  • SHA256

    98f9d3d10a8fc3fc892bb398618116ed94480e5c855aca8d3e29feafb2859c80

  • SHA512

    33225aa58168bf91850ed06215834deaa94d1e95f93795e8ef6fc1e1ae756ac3b4d4727479b0a44bc25fa860f319cd420324f04507c9db2051e861d46e318212

  • SSDEEP

    1536:67Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8rhD:+nyiQSou

Score
9/10

Malware Config

Signatures

  • Renames multiple (3698) 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\98f9d3d10a8fc3fc892bb398618116ed94480e5c855aca8d3e29feafb2859c80.exe
    "C:\Users\Admin\AppData\Local\Temp\98f9d3d10a8fc3fc892bb398618116ed94480e5c855aca8d3e29feafb2859c80.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2936

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-481678230-3773327859-3495911762-1000\desktop.ini.tmp
    Filesize

    64KB

    MD5

    639172ead2fcab8fb0c92f9dd85c82bc

    SHA1

    44b8f87922c4751bc12d6ed8de9f65be1f24759f

    SHA256

    73550ff01bb4da37cfcc7cb096b4e8e010a59f77adf376c355841281cfcb5e0c

    SHA512

    6c968f1c8510f3b903279890b024dee42254e223dfec91257e40dc77bb17679a1f070c2b63d8909d20ee176715cb6389563eed79a66e65dc030896c907efd5ff

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

    73KB

    MD5

    a3249af8d9d44fa0b6e8c0c4b1a07fbd

    SHA1

    26c1dffa9ae782f491181c26a3c5650d35368612

    SHA256

    42385b87844942d0b3b859cbcce65525c3717f40dce50529e157ca3ff38b0ab7

    SHA512

    5595d05cdfc0c7bb258f6785ca7d18cb4455556b0e2b83626352432f7a60ed9cce59ef3a94cb836acc3c23040bef0b957094bed5259e1c2a8fb7f5662269ff1d

  • memory/2936-0-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2936-648-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB