Analysis

  • max time kernel
    147s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 12:49

General

  • Target

    e7e175f13efb06b883eadbcf64763d17f82447363ec1806be9bbf751dae200de.exe

  • Size

    860KB

  • MD5

    d446cc682dc1aaf3811524d796e9c10c

  • SHA1

    6e75979cd990273413d1e20fe45a3e1d73422b77

  • SHA256

    e7e175f13efb06b883eadbcf64763d17f82447363ec1806be9bbf751dae200de

  • SHA512

    ff8db73394fb966f403423ee52fa0155430effe8544ad376799fb812d7cc55805c7beb7ba85b6e74c3ae3116592376f1abe6465a6b6730f7cb926523817160e4

  • SSDEEP

    24576:7Tvtt6UDKwny3EAV1xnDwdfJj50jscibFo1:H1vy0qTohj5pN

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7e175f13efb06b883eadbcf64763d17f82447363ec1806be9bbf751dae200de.exe
    "C:\Users\Admin\AppData\Local\Temp\e7e175f13efb06b883eadbcf64763d17f82447363ec1806be9bbf751dae200de.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\ProgramData\iwdefender.exe
      C:\ProgramData\iwdefender.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\iwdefender.exe

    Filesize

    827KB

    MD5

    abd57435cadec1d2a1457de28e2a824d

    SHA1

    dfbf66fdb7adc4bc32cd3e32eb6a686d263d2793

    SHA256

    55c9c59928ecd307250f16642ae1e2abab9b71d9b04d2867b99135d7753b7eb3

    SHA512

    2459d411c142a017233c68c873ccc5d320a074b7c7398aa00e9a1ba2ecda5ca0b35bda3411fde8eaf0424a9aa01aa0e38c8784626e807601c7447106f180d322

  • \ProgramData\iwdefender.exe

    Filesize

    827KB

    MD5

    abd57435cadec1d2a1457de28e2a824d

    SHA1

    dfbf66fdb7adc4bc32cd3e32eb6a686d263d2793

    SHA256

    55c9c59928ecd307250f16642ae1e2abab9b71d9b04d2867b99135d7753b7eb3

    SHA512

    2459d411c142a017233c68c873ccc5d320a074b7c7398aa00e9a1ba2ecda5ca0b35bda3411fde8eaf0424a9aa01aa0e38c8784626e807601c7447106f180d322

  • \ProgramData\iwdefender.exe

    Filesize

    827KB

    MD5

    abd57435cadec1d2a1457de28e2a824d

    SHA1

    dfbf66fdb7adc4bc32cd3e32eb6a686d263d2793

    SHA256

    55c9c59928ecd307250f16642ae1e2abab9b71d9b04d2867b99135d7753b7eb3

    SHA512

    2459d411c142a017233c68c873ccc5d320a074b7c7398aa00e9a1ba2ecda5ca0b35bda3411fde8eaf0424a9aa01aa0e38c8784626e807601c7447106f180d322

  • memory/1768-54-0x0000000076961000-0x0000000076963000-memory.dmp

    Filesize

    8KB

  • memory/1768-55-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/1768-62-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2004-58-0x0000000000000000-mapping.dmp

  • memory/2004-61-0x0000000000400000-0x0000000000A19000-memory.dmp

    Filesize

    6.1MB

  • memory/2004-64-0x0000000000400000-0x0000000000A19000-memory.dmp

    Filesize

    6.1MB

  • memory/2004-65-0x0000000000400000-0x0000000000A19000-memory.dmp

    Filesize

    6.1MB