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Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 00:19

General

  • Target

    889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84.exe

  • Size

    204KB

  • MD5

    16a5dfb813d17a5e788235fc5ef1dc62

  • SHA1

    952fe3f86b51a390e5e7395d8c86119875229e33

  • SHA256

    889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84

  • SHA512

    6c8003b4e7ca3d39d081e7b2fcad21a3dbabcdbcc5a2ddef92f4c6bad399932b4356ac8665ce2511f67c624a62ab24c85ad9219d3f370993e3a2bf80716e67d7

  • SSDEEP

    3072:eun/3fTWor5J20AisM/8jp6tdlWbRVslWQifgO4F0llD/:esTWqJ3RsM/8E/IbRuLifI0l1

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 54 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\889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84.exe
    "C:\Users\Admin\AppData\Local\Temp\889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84.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:2356
    • C:\Users\Admin\ziamu.exe
      "C:\Users\Admin\ziamu.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:3920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\ziamu.exe

    Filesize

    204KB

    MD5

    58d4db5001fdad6cdba201e324d0d7ba

    SHA1

    85f8a788437332d2d3ac05031b920d87a7476a32

    SHA256

    18fdc0780308e0fcafc076641e6fd3f6ce4c83d5cb3adb8a6c6099e78da66187

    SHA512

    7bdf0ad688d927e68e616bb944e42dc46aac8293d5f938fab51cab59b033cfb599a0c85b514cbea339cf3e4f9cd6b140123399c594377ad88c5b7dffc9d0fdfc

  • C:\Users\Admin\ziamu.exe

    Filesize

    204KB

    MD5

    58d4db5001fdad6cdba201e324d0d7ba

    SHA1

    85f8a788437332d2d3ac05031b920d87a7476a32

    SHA256

    18fdc0780308e0fcafc076641e6fd3f6ce4c83d5cb3adb8a6c6099e78da66187

    SHA512

    7bdf0ad688d927e68e616bb944e42dc46aac8293d5f938fab51cab59b033cfb599a0c85b514cbea339cf3e4f9cd6b140123399c594377ad88c5b7dffc9d0fdfc

  • memory/2356-134-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2356-141-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3920-140-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3920-142-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB