Analysis

  • max time kernel
    203s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 16:40

General

  • Target

    c1f329ec44f80ba8e4b052b614efdf12307f1e2266c9e96baa3ebd75b2f26010.exe

  • Size

    232KB

  • MD5

    5f4497ca592c677d15062e07cc2b5132

  • SHA1

    33d1b76a4134fffcc0215c13fef180e2acb86464

  • SHA256

    c1f329ec44f80ba8e4b052b614efdf12307f1e2266c9e96baa3ebd75b2f26010

  • SHA512

    69e37ee3ade09c374e3dfd7298659b1fa98ddfeea73ada1e670271d169ed9fb87749e80161387585be4a5b32ef8cbd71d9daf4ca1f15562fa52f05898561f7db

  • SSDEEP

    1536:G3zmGomoDo0omoEo4A5AVzotokoXoOoioVo2oEogoFoPoeoWooo7oxozoZoMoZHB:gmJA5AVap/k

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 47 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1f329ec44f80ba8e4b052b614efdf12307f1e2266c9e96baa3ebd75b2f26010.exe
    "C:\Users\Admin\AppData\Local\Temp\c1f329ec44f80ba8e4b052b614efdf12307f1e2266c9e96baa3ebd75b2f26010.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\tcvun.exe
      "C:\Users\Admin\tcvun.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
      • Suspicious use of WriteProcessMemory
      PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\tcvun.exe

    Filesize

    232KB

    MD5

    33fbb65e261c2b41b423c7b3887a48b3

    SHA1

    227340d59a137a23fde3527e8d7652cfb28c4683

    SHA256

    5f7da8cc3718d1eef90413b9c3f4370bbf463d9a9407db0ce0726f34f612f2ba

    SHA512

    3c4951ed624697c5809fd7b7a2461e9593489968859a9b358dd86b636d4e8459652dd96b6839ed43427e1f95f4a0d40c9e0e06ec151a2e83ec255b7d839df63b

  • C:\Users\Admin\tcvun.exe

    Filesize

    232KB

    MD5

    33fbb65e261c2b41b423c7b3887a48b3

    SHA1

    227340d59a137a23fde3527e8d7652cfb28c4683

    SHA256

    5f7da8cc3718d1eef90413b9c3f4370bbf463d9a9407db0ce0726f34f612f2ba

    SHA512

    3c4951ed624697c5809fd7b7a2461e9593489968859a9b358dd86b636d4e8459652dd96b6839ed43427e1f95f4a0d40c9e0e06ec151a2e83ec255b7d839df63b

  • \Users\Admin\tcvun.exe

    Filesize

    232KB

    MD5

    33fbb65e261c2b41b423c7b3887a48b3

    SHA1

    227340d59a137a23fde3527e8d7652cfb28c4683

    SHA256

    5f7da8cc3718d1eef90413b9c3f4370bbf463d9a9407db0ce0726f34f612f2ba

    SHA512

    3c4951ed624697c5809fd7b7a2461e9593489968859a9b358dd86b636d4e8459652dd96b6839ed43427e1f95f4a0d40c9e0e06ec151a2e83ec255b7d839df63b

  • \Users\Admin\tcvun.exe

    Filesize

    232KB

    MD5

    33fbb65e261c2b41b423c7b3887a48b3

    SHA1

    227340d59a137a23fde3527e8d7652cfb28c4683

    SHA256

    5f7da8cc3718d1eef90413b9c3f4370bbf463d9a9407db0ce0726f34f612f2ba

    SHA512

    3c4951ed624697c5809fd7b7a2461e9593489968859a9b358dd86b636d4e8459652dd96b6839ed43427e1f95f4a0d40c9e0e06ec151a2e83ec255b7d839df63b

  • memory/960-56-0x0000000075D01000-0x0000000075D03000-memory.dmp

    Filesize

    8KB

  • memory/1768-59-0x0000000000000000-mapping.dmp