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Analysis

  • max time kernel
    99s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 00:00

General

  • Target

    f2441dac87237f355fbfa0474df013f2264b254ff7f2145a93bfb1855ea4e8d6.exe

  • Size

    220KB

  • MD5

    6f32497dd814e6c7596db04ee661734b

  • SHA1

    35a0a3ad81e09386cf6e954e71226dc49c1b6cb2

  • SHA256

    f2441dac87237f355fbfa0474df013f2264b254ff7f2145a93bfb1855ea4e8d6

  • SHA512

    a9fc068f652dacb13038608b4bc187c1e0d5f3760252758f777f16464f0ba9d0fb28fd1312a37869675a6fc1b0fa63eb06b2aa6f641acbc34f5a80c3a79dc473

  • SSDEEP

    1536:rC7dASR5csJawoIZsh0CF+sKE0C1rZL4H0c/7wHeLxjaimtAbe79WCyiHCUXR6Tk:xaMOFCsv/CL0jaQaWCyiHCx1ps40

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 27 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 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2441dac87237f355fbfa0474df013f2264b254ff7f2145a93bfb1855ea4e8d6.exe
    "C:\Users\Admin\AppData\Local\Temp\f2441dac87237f355fbfa0474df013f2264b254ff7f2145a93bfb1855ea4e8d6.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:4912
    • C:\Users\Admin\dauxua.exe
      "C:\Users\Admin\dauxua.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:2964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\dauxua.exe

    Filesize

    220KB

    MD5

    882444c6ad2c20f1c7df7ff1b9ba4fd3

    SHA1

    31c674acaac6696a628543afec70124e79c0fec4

    SHA256

    d3f05da3b6edecba872507ba357195d7f13b0f5982c977ab53af8e46279777ac

    SHA512

    d2177112b48c69a8429f10047028418ef7bec15d4673ea9109baae17f77955fa3db09dbeba8224b1d8a71108a6ee4ea785dc37b66262b6fbfc56348d2edcf63d

  • C:\Users\Admin\dauxua.exe

    Filesize

    220KB

    MD5

    882444c6ad2c20f1c7df7ff1b9ba4fd3

    SHA1

    31c674acaac6696a628543afec70124e79c0fec4

    SHA256

    d3f05da3b6edecba872507ba357195d7f13b0f5982c977ab53af8e46279777ac

    SHA512

    d2177112b48c69a8429f10047028418ef7bec15d4673ea9109baae17f77955fa3db09dbeba8224b1d8a71108a6ee4ea785dc37b66262b6fbfc56348d2edcf63d