Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:16

General

  • Target

    5a18ca133176712a2eaf24a600d2a53f494b56b151c290b084553a794fb8615d.exe

  • Size

    264KB

  • MD5

    486d59dbb37a6c13c4deb3bb11b514a0

  • SHA1

    92780d7fabf2e5b616ed9f54882599aaee0af27d

  • SHA256

    5a18ca133176712a2eaf24a600d2a53f494b56b151c290b084553a794fb8615d

  • SHA512

    1ed2b980dc6a5ccc26e4f8e81d80aa1c859d175ec087a19c967ce4a144e9addffd45249f247d8f24841253bcd7e7b44ee300c51ebbed5c7e1e4423580a91caac

  • SSDEEP

    6144:P3ziWP8SKE1OmsTluVPHOGiaE9pCvT0wFg:PZ8SKE1OmsTluVliaxbg

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a18ca133176712a2eaf24a600d2a53f494b56b151c290b084553a794fb8615d.exe
    "C:\Users\Admin\AppData\Local\Temp\5a18ca133176712a2eaf24a600d2a53f494b56b151c290b084553a794fb8615d.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Users\Admin\joaumu.exe
      "C:\Users\Admin\joaumu.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\joaumu.exe

    Filesize

    264KB

    MD5

    3eaa60e9e2ff6e494e8ade6aa77e043c

    SHA1

    a32bd610e762aaf1f62021438a4a4370fa2785a6

    SHA256

    55c9b483b9fd0aab4003a9f4fca0b578c417f837b0f003b0f4485a14cb8caaa9

    SHA512

    817c4b235e03b53f1e68f6217e452d54d6568d6bd0f5fcb8c1530d3808bf6bed47387caae357eb91cd5cd814903756138b1779e706b8fc1115e2b0bc80672072

  • C:\Users\Admin\joaumu.exe

    Filesize

    264KB

    MD5

    3eaa60e9e2ff6e494e8ade6aa77e043c

    SHA1

    a32bd610e762aaf1f62021438a4a4370fa2785a6

    SHA256

    55c9b483b9fd0aab4003a9f4fca0b578c417f837b0f003b0f4485a14cb8caaa9

    SHA512

    817c4b235e03b53f1e68f6217e452d54d6568d6bd0f5fcb8c1530d3808bf6bed47387caae357eb91cd5cd814903756138b1779e706b8fc1115e2b0bc80672072

  • memory/1224-134-0x0000000000000000-mapping.dmp