Analysis

  • max time kernel
    165s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 22:37

General

  • Target

    d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe

  • Size

    545KB

  • MD5

    f6f4862300201bc35da7a240a0d6d4d4

  • SHA1

    254bc980c70e5ef312777a2f236dbfbed3cdc2c1

  • SHA256

    d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5

  • SHA512

    248cc49f4574c06d0df5b9aa30c01cf37e560ca14db066f37ee19563dac5f7bf64d62ac496afac62c112c6d62247e81d3d080901595280e827617561066c005e

  • SSDEEP

    12288:dM5DSN6aAH0XNp7gGpWa7U8oico9hJMBex+gQL0:dM5D18NpEGZNVlxnF

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe
    "C:\Users\Admin\AppData\Local\Temp\d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe C:\Users\Admin\AppData\Local\Temp\d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5
      2⤵
        PID:1468
      • \??\c:\Win\lsass.exe
        c:\Win\lsass.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Enumerates connected drives
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2152
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1864
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4040

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Win\lsass.exe

        Filesize

        545KB

        MD5

        f6f4862300201bc35da7a240a0d6d4d4

        SHA1

        254bc980c70e5ef312777a2f236dbfbed3cdc2c1

        SHA256

        d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5

        SHA512

        248cc49f4574c06d0df5b9aa30c01cf37e560ca14db066f37ee19563dac5f7bf64d62ac496afac62c112c6d62247e81d3d080901595280e827617561066c005e

      • \??\c:\Win\lsass.exe

        Filesize

        545KB

        MD5

        f6f4862300201bc35da7a240a0d6d4d4

        SHA1

        254bc980c70e5ef312777a2f236dbfbed3cdc2c1

        SHA256

        d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5

        SHA512

        248cc49f4574c06d0df5b9aa30c01cf37e560ca14db066f37ee19563dac5f7bf64d62ac496afac62c112c6d62247e81d3d080901595280e827617561066c005e

      • memory/1468-134-0x0000000000000000-mapping.dmp

      • memory/2152-135-0x0000000000000000-mapping.dmp

      • memory/2152-138-0x0000000000400000-0x00000000004FB000-memory.dmp

        Filesize

        1004KB

      • memory/2152-140-0x0000000000400000-0x00000000004FB000-memory.dmp

        Filesize

        1004KB

      • memory/4804-132-0x0000000000400000-0x00000000004FB000-memory.dmp

        Filesize

        1004KB

      • memory/4804-133-0x0000000000400000-0x00000000004FB000-memory.dmp

        Filesize

        1004KB

      • memory/4804-139-0x0000000000400000-0x00000000004FB000-memory.dmp

        Filesize

        1004KB