Analysis

  • max time kernel
    124s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 01:49

General

  • Target

    5eda3e84edb04384fa9dd4247bf0cf0fdfec28dc71685c73d5c5551a55fc3e82.exe

  • Size

    352KB

  • MD5

    720a4bacac96d2c86a84f24d4c9de200

  • SHA1

    6f26ba2015c4c6ca50e80a7490b982c1468a59e5

  • SHA256

    5eda3e84edb04384fa9dd4247bf0cf0fdfec28dc71685c73d5c5551a55fc3e82

  • SHA512

    990f05061cba21066eb16cf1d2a2fb590b5370cade80a408d1395708a1e1fe879aa4f085fef4d4cada91755e4eaf58d73f5940ae7a87d595f5bef1f44fbdba42

  • SSDEEP

    6144:RVNxf01ziLoxnFVBIKbxIW6ZBk27xxl9C6Ya:XNxf01zikxn+KbxibB7xf9v

Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 4 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 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2976
      • C:\Users\Admin\AppData\Local\Temp\5eda3e84edb04384fa9dd4247bf0cf0fdfec28dc71685c73d5c5551a55fc3e82.exe
        "C:\Users\Admin\AppData\Local\Temp\5eda3e84edb04384fa9dd4247bf0cf0fdfec28dc71685c73d5c5551a55fc3e82.exe"
        2⤵
        • Modifies Installed Components in the registry
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3664
        • C:\Users\Admin\AppData\Local\Temp\5eda3e84edb04384fa9dd4247bf0cf0fdfec28dc71685c73d5c5551a55fc3e82.exe
          C:\Users\Admin\AppData\Local\Temp\5eda3e84edb04384fa9dd4247bf0cf0fdfec28dc71685c73d5c5551a55fc3e82.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2100
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\T11mB8BwvO.bat" "
          3⤵
          • Drops file in System32 directory
          PID:4532

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\T11mB8BwvO.bat

      Filesize

      219B

      MD5

      2c8a342e2dfae47f9261ec69f7cdec70

      SHA1

      50eac8e0a4c4a9dc8acffd2dae1a3174782bbaac

      SHA256

      897dac2508ee2122d2e655c407b4d61d1a7c5ee99f7b6d374d01839344ef3cf2

      SHA512

      53d5f912d17c1097e6616175021541648ef076abf5325ebb0972490cd5f58a79b7d5b759b56b5b32cbbb5fb52c16b5bc2f5c884fa5b3fa3f6ac1e46b44f069e9

    • memory/2100-136-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/2100-138-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/2100-137-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/2100-139-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/3664-134-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/3664-141-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB