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Overview

overview

10

Static

static

dd8eeeee83...dc.exe

windows7-x64

10

dd8eeeee83...dc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 09:27

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General

  • Target

    dd8eeeee83d01df7eb391f6aa0ed4debda37f438698a32d4ebb8ee239d4f43dc.exe

  • Size

    708KB

  • MD5

    12b3999b958cf0deac2e5630945f799e

  • SHA1

    1a9dc666e7a1eba5e4121474810433931df282f0

  • SHA256

    dd8eeeee83d01df7eb391f6aa0ed4debda37f438698a32d4ebb8ee239d4f43dc

  • SHA512

    e7a18482e77e895dfa2d6d17f631d94bedeb12072a0bed9fd5484e5ffec61b451c11d42d89acee9c09120c61baf8c369f819d08e27fed641d7fafceafceff186

  • SSDEEP

    12288:HXgvmzFHi0mo5aH0qMzd5807FPPJQPDHvd:HXgvOHi0mGaH0qSdPFp4V

Score
10/10
evasionpersistencetrojan

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
    persistence
  • UAC bypass 3 TTPs 12 IoCs
    evasiontrojan
  • Adds policy Run key to start application 2 TTPs 26 IoCs
    persistence
  • Disables RegEdit via registry modification 6 IoCs
    evasion
  • Executes dropped EXE 2 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 64 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
    evasiontrojan
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 39 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd8eeeee83d01df7eb391f6aa0ed4debda37f438698a32d4ebb8ee239d4f43dc.exe
    "C:\Users\Admin\AppData\Local\Temp\dd8eeeee83d01df7eb391f6aa0ed4debda37f438698a32d4ebb8ee239d4f43dc.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4960
    • C:\Users\Admin\AppData\Local\Temp\vgnsv.exe
      "C:\Users\Admin\AppData\Local\Temp\vgnsv.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:100
    • C:\Users\Admin\AppData\Local\Temp\vgnsv.exe
      "C:\Users\Admin\AppData\Local\Temp\vgnsv.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • System policy modification
      PID:532
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5024

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\vgnsv.exe
      Filesize

      1.3MB

      MD5

      af029b8cb14ee085ecabe04a99411275

      SHA1

      3235e6fd46ac524266936d6ebfb55158f44dea6b

      SHA256

      8d35ba75b4be452375a6c32f1e786c7640de1fef6ff33d16303a3ca560b1a26c

      SHA512

      0d215ae79ef0e470baf755f9c6fc96793b554060b445feb2e49252f6feac19722731eac04b7f4929fb331ab813bb362496f7061c328943be125fec4c381c24a5

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\vgnsv.exe
      Filesize

      1.3MB

      MD5

      af029b8cb14ee085ecabe04a99411275

      SHA1

      3235e6fd46ac524266936d6ebfb55158f44dea6b

      SHA256

      8d35ba75b4be452375a6c32f1e786c7640de1fef6ff33d16303a3ca560b1a26c

      SHA512

      0d215ae79ef0e470baf755f9c6fc96793b554060b445feb2e49252f6feac19722731eac04b7f4929fb331ab813bb362496f7061c328943be125fec4c381c24a5

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\vgnsv.exe
      Filesize

      1.3MB

      MD5

      af029b8cb14ee085ecabe04a99411275

      SHA1

      3235e6fd46ac524266936d6ebfb55158f44dea6b

      SHA256

      8d35ba75b4be452375a6c32f1e786c7640de1fef6ff33d16303a3ca560b1a26c

      SHA512

      0d215ae79ef0e470baf755f9c6fc96793b554060b445feb2e49252f6feac19722731eac04b7f4929fb331ab813bb362496f7061c328943be125fec4c381c24a5

      Download Submit