Analysis

  • max time kernel
    150s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 14:13

General

  • Target

    f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19.exe

  • Size

    124KB

  • MD5

    0a02385dfe27c4be9e21381bee9616c0

  • SHA1

    167fa625af14c65941b57ef8d8a8babe9d4176e3

  • SHA256

    f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19

  • SHA512

    75a7084073600d536d0220000444353d0863c39f1fe5202ea372e9739fc57b85d2833392c94d70dbca1481d72c6e9d86a2b99463e6976b17edd22cedc5ba16fb

  • SSDEEP

    1536:VnzmBE3Fb7fwjo0Fu0efsf32eUeuGHkXqh1PW1LnNbxNmMj1KNQsGn/D9u:Vz3bQQE/2eUeTiqHW917mMGxGn/D9u

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 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 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19.exe
    "C:\Users\Admin\AppData\Local\Temp\f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Users\Admin\AppData\Local\Temp\f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19.exe
      71
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Loads dropped DLL
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:976
      • C:\Users\Admin\deuah.exe
        "C:\Users\Admin\deuah.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Users\Admin\deuah.exe
          71
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\deuah.exe

    Filesize

    124KB

    MD5

    0a02385dfe27c4be9e21381bee9616c0

    SHA1

    167fa625af14c65941b57ef8d8a8babe9d4176e3

    SHA256

    f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19

    SHA512

    75a7084073600d536d0220000444353d0863c39f1fe5202ea372e9739fc57b85d2833392c94d70dbca1481d72c6e9d86a2b99463e6976b17edd22cedc5ba16fb

  • C:\Users\Admin\deuah.exe

    Filesize

    124KB

    MD5

    0a02385dfe27c4be9e21381bee9616c0

    SHA1

    167fa625af14c65941b57ef8d8a8babe9d4176e3

    SHA256

    f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19

    SHA512

    75a7084073600d536d0220000444353d0863c39f1fe5202ea372e9739fc57b85d2833392c94d70dbca1481d72c6e9d86a2b99463e6976b17edd22cedc5ba16fb

  • C:\Users\Admin\deuah.exe

    Filesize

    124KB

    MD5

    0a02385dfe27c4be9e21381bee9616c0

    SHA1

    167fa625af14c65941b57ef8d8a8babe9d4176e3

    SHA256

    f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19

    SHA512

    75a7084073600d536d0220000444353d0863c39f1fe5202ea372e9739fc57b85d2833392c94d70dbca1481d72c6e9d86a2b99463e6976b17edd22cedc5ba16fb

  • \Users\Admin\deuah.exe

    Filesize

    124KB

    MD5

    0a02385dfe27c4be9e21381bee9616c0

    SHA1

    167fa625af14c65941b57ef8d8a8babe9d4176e3

    SHA256

    f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19

    SHA512

    75a7084073600d536d0220000444353d0863c39f1fe5202ea372e9739fc57b85d2833392c94d70dbca1481d72c6e9d86a2b99463e6976b17edd22cedc5ba16fb

  • \Users\Admin\deuah.exe

    Filesize

    124KB

    MD5

    0a02385dfe27c4be9e21381bee9616c0

    SHA1

    167fa625af14c65941b57ef8d8a8babe9d4176e3

    SHA256

    f9e499490d6d110fe1581886f40fa62a66286be38c264cdd2ee9bf0f32cdba19

    SHA512

    75a7084073600d536d0220000444353d0863c39f1fe5202ea372e9739fc57b85d2833392c94d70dbca1481d72c6e9d86a2b99463e6976b17edd22cedc5ba16fb

  • memory/976-56-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/976-63-0x0000000074C91000-0x0000000074C93000-memory.dmp

    Filesize

    8KB

  • memory/976-62-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/976-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/976-80-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2040-78-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2040-81-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB