Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2024 13:05

General

  • Target

    windows update.exe

  • Size

    76.5MB

  • MD5

    0cf0b1a0d4ddcf3e9ff391acf06adf74

  • SHA1

    a2795e52bbd984640f8178e5af63109d3368537d

  • SHA256

    13d1623ec2530efe0741550cf19a5ca5861c57f979227807dc99337c43496065

  • SHA512

    396c91ef4b5ec7cdb7eaaa2d92f9f820bb28e207de2a622832a745ae90a8e71b5ba86bf8d09a98e54f4b3737d3a99590dba668d8dbfdf9b1c89e18ab23a5dd87

  • SSDEEP

    1572864:JvHcRlPSk8IpG7V+VPhqYdfME7FFlHFziYweyJulZUdgAdW4zjtux3a/Z9U:JvHcRlSkB05awcfhdCpukdRPA49U

Score
7/10
upx

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windows update.exe
    "C:\Users\Admin\AppData\Local\Temp\windows update.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\windows update.exe
      "C:\Users\Admin\AppData\Local\Temp\windows update.exe"
      2⤵
      • Loads dropped DLL
      PID:2552

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\python312.dll

    Filesize

    1.7MB

    MD5

    506c760a20e6bb940590229d41449ffa

    SHA1

    b7c439f253987fb0ff66fc5ce959cf711b18eb8d

    SHA256

    e63503b2715df3eab8abb9b2682129e27a7add9acea9008f06f55494a2b2f3d5

    SHA512

    34df2e8e53caac0cd72cb3c5848296ca8cfa10c542c0a5f88385d6b35ab70b86957540de2ff105a27cefb37ccbb5789261a69132b535a857df32875c1f9deb9e

  • memory/2552-1253-0x000007FEF5E50000-0x000007FEF6514000-memory.dmp

    Filesize

    6.8MB