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Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 03:26

General

  • Target

    c156a1640742b4dff1b084e66c33fde8234a9eadd68e75a6c7f54b411af0ab19.exe

  • Size

    80KB

  • MD5

    c5acbe75fc88475610ade31fa594a71b

  • SHA1

    664b8032ba52aa926ba8f01a32dcf50fc1079df6

  • SHA256

    c156a1640742b4dff1b084e66c33fde8234a9eadd68e75a6c7f54b411af0ab19

  • SHA512

    393be8ef508808d3738bc9a09ac531a1432b1078259b3d982bc4fe6ac4e1e6c720251b7da2a5059b64510309f8cabfe3aadf30baec9ea77889baa740bb450f12

  • SSDEEP

    768:E4wqbVmf0fDUop1AShqG9jy1R2g7VnxPPB4qHfA5pcZdFveLuRQ1H2GBVI6Z:J4f8DRCST9XUZHfAUZ7yuRQ11VI6Z

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 29 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\c156a1640742b4dff1b084e66c33fde8234a9eadd68e75a6c7f54b411af0ab19.exe
    "C:\Users\Admin\AppData\Local\Temp\c156a1640742b4dff1b084e66c33fde8234a9eadd68e75a6c7f54b411af0ab19.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:1504
    • C:\Users\Admin\juaij.exe
      "C:\Users\Admin\juaij.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:1032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\juaij.exe

    Filesize

    80KB

    MD5

    aa783e3254c94014095cd0392d81877f

    SHA1

    80289f0dd6df54d6bddc41a144337030cde08822

    SHA256

    e927a092d08dc9dac82aefa04a2b35b245386ee2be241349ba6ce043fba8e321

    SHA512

    28d75a1d27a6a7ee7de60679dd367f7118357ed810d20b7f5917c3af838fe9b92b0544bcde8db22305b83abdb73e2f875951be441f4b9c19e793f5ca4a43e704

  • C:\Users\Admin\juaij.exe

    Filesize

    80KB

    MD5

    aa783e3254c94014095cd0392d81877f

    SHA1

    80289f0dd6df54d6bddc41a144337030cde08822

    SHA256

    e927a092d08dc9dac82aefa04a2b35b245386ee2be241349ba6ce043fba8e321

    SHA512

    28d75a1d27a6a7ee7de60679dd367f7118357ed810d20b7f5917c3af838fe9b92b0544bcde8db22305b83abdb73e2f875951be441f4b9c19e793f5ca4a43e704