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Analysis

  • max time kernel
    169s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 19:45

General

  • Target

    910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e.exe

  • Size

    256KB

  • MD5

    a1aecc7703dedddda49785aaf2742087

  • SHA1

    04c005cbe169590f044f0c487dd79648561ad2d8

  • SHA256

    910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e

  • SHA512

    ac54cc7cac23d1e3e828de8a172dfa0e853566f31a712300bab967ee18572ec8098f90290bbc09904eb625e6cc90e63a33e521dbda6431ff01b8ab664e8afb8f

  • SSDEEP

    1536:feYa43xj1WKsWHbrDFdRhUbZrQBXz9V/haD8j7MktNGoFoCfNRrXe4W4X1yD91nd:JJ2rQNTIYkZ

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 52 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\910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e.exe
    "C:\Users\Admin\AppData\Local\Temp\910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Users\Admin\voiquil.exe
      "C:\Users\Admin\voiquil.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:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\voiquil.exe

    Filesize

    256KB

    MD5

    59d798f3fe9b10d1474c084ec533ac53

    SHA1

    08a0021876c118b84a4db19bbd6c504e640e5c4a

    SHA256

    a1fa58962bc6c0f6a938eedadaa9732b7ec8026d9cbbc29371fa9d2f2eab0863

    SHA512

    578cd70179e0a1fcb27f6cac0c5c16399ec0e3738e9c3c6b622d4a3f6303e9e10a60f2128c3d723e990491692d6031d0f17ad4eee840759a3a241d3d9134cf3d

  • C:\Users\Admin\voiquil.exe

    Filesize

    256KB

    MD5

    59d798f3fe9b10d1474c084ec533ac53

    SHA1

    08a0021876c118b84a4db19bbd6c504e640e5c4a

    SHA256

    a1fa58962bc6c0f6a938eedadaa9732b7ec8026d9cbbc29371fa9d2f2eab0863

    SHA512

    578cd70179e0a1fcb27f6cac0c5c16399ec0e3738e9c3c6b622d4a3f6303e9e10a60f2128c3d723e990491692d6031d0f17ad4eee840759a3a241d3d9134cf3d

  • \Users\Admin\voiquil.exe

    Filesize

    256KB

    MD5

    59d798f3fe9b10d1474c084ec533ac53

    SHA1

    08a0021876c118b84a4db19bbd6c504e640e5c4a

    SHA256

    a1fa58962bc6c0f6a938eedadaa9732b7ec8026d9cbbc29371fa9d2f2eab0863

    SHA512

    578cd70179e0a1fcb27f6cac0c5c16399ec0e3738e9c3c6b622d4a3f6303e9e10a60f2128c3d723e990491692d6031d0f17ad4eee840759a3a241d3d9134cf3d

  • \Users\Admin\voiquil.exe

    Filesize

    256KB

    MD5

    59d798f3fe9b10d1474c084ec533ac53

    SHA1

    08a0021876c118b84a4db19bbd6c504e640e5c4a

    SHA256

    a1fa58962bc6c0f6a938eedadaa9732b7ec8026d9cbbc29371fa9d2f2eab0863

    SHA512

    578cd70179e0a1fcb27f6cac0c5c16399ec0e3738e9c3c6b622d4a3f6303e9e10a60f2128c3d723e990491692d6031d0f17ad4eee840759a3a241d3d9134cf3d

  • memory/1176-56-0x00000000762D1000-0x00000000762D3000-memory.dmp

    Filesize

    8KB