Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 21:33

General

  • Target

    4f5fcac5eb0bc0f178e4e79f1d05d2e12e9b4c4a13f6727b2af07a34c0434a43.exe

  • Size

    116KB

  • MD5

    3c2966dfa2a0fe2b216f36760e529cf5

  • SHA1

    2333d840aa905f60e1993308a2ec595c3e101960

  • SHA256

    4f5fcac5eb0bc0f178e4e79f1d05d2e12e9b4c4a13f6727b2af07a34c0434a43

  • SHA512

    7406ee48ad98bdf808d908003dce6de16c3b09b90beeea48f70d78b6024c13ee73a8ab0ae09f903240186ac8fc81531d4f96420c0944b371e11dd67c972b119c

  • SSDEEP

    1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hflix:hfAIuZAIuYSMjoqtMHfhflixio

Score
9/10

Malware Config

Signatures

  • Renames multiple (3444) 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\4f5fcac5eb0bc0f178e4e79f1d05d2e12e9b4c4a13f6727b2af07a34c0434a43.exe
    "C:\Users\Admin\AppData\Local\Temp\4f5fcac5eb0bc0f178e4e79f1d05d2e12e9b4c4a13f6727b2af07a34c0434a43.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2344

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-2248906074-2862704502-246302768-1000\desktop.ini.tmp

    Filesize

    117KB

    MD5

    2d15d4cd940ce64cbbb92769309c449f

    SHA1

    a6ca6e64dd0c266433a5e8cf7733c27f3685805a

    SHA256

    dd7604fb18ed9b2d4bf52625582cdbd35dc4e354e2862d3506fd9e65581b91b1

    SHA512

    c1cb5a33844b68a01b486f703945cb632e75436cacc9c8b8e1a98f54345ac913af688a94a80f214aeb2c360ad14e9b9540723a2f32db020c640f08af19ec2afe

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

    Filesize

    126KB

    MD5

    ee43c6c34ae4fdb709504b6fce1c217f

    SHA1

    f1763192439a51396febbe104fe3ece9d6ac0831

    SHA256

    db9c3a713fed45253565fa72b841fa6d2ec1f5ccd547f64cecf36ae437db2688

    SHA512

    537c17098bab7a9a6f6c55fd5744243b9b25e41f2355cc2d882e586ac30b8fd16ace3fee9f3c3d7268d41fcbde2b367ee8ddb18cc2c6c9e32e6c0bc8f9b86170

  • memory/2344-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2344-76-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB