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Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/01/2024, 21:16

General

  • Target

    a09a3b6b6bea6ef91aef5d0dd4581b88.exe

  • Size

    103KB

  • MD5

    a09a3b6b6bea6ef91aef5d0dd4581b88

  • SHA1

    098ed5d82ade538154634a9f44d8f91607c23392

  • SHA256

    6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25

  • SHA512

    42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8

  • SSDEEP

    384:y4n/7AKiwBiaJzN5BLiFI4yUvcP3vr042r49ZrAF+rMRTyN/0L+EcoinblneHQMs://hXP5TUvcPgl4HrM+rMRa8Nup0t

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe
    "C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:456
    • C:\Users\Admin\windows updator_prdas.exe
      "C:\Users\Admin\windows updator_prdas.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4364
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\windows updator_prdas.exe" "windows updator_prdas.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\windows updator_prdas.exe

    Filesize

    103KB

    MD5

    a09a3b6b6bea6ef91aef5d0dd4581b88

    SHA1

    098ed5d82ade538154634a9f44d8f91607c23392

    SHA256

    6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25

    SHA512

    42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8

  • memory/456-0-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/456-2-0x0000000001000000-0x0000000001010000-memory.dmp

    Filesize

    64KB

  • memory/456-1-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/456-22-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/4364-23-0x0000000000C00000-0x0000000000C10000-memory.dmp

    Filesize

    64KB

  • memory/4364-24-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/4364-21-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/4364-26-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/4364-27-0x0000000000C00000-0x0000000000C10000-memory.dmp

    Filesize

    64KB

  • memory/4364-28-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB