Analysis

  • max time kernel
    151s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 11:21

General

  • Target

    f0e5b175435a44d33c7a5eb4f1f89c0dcc1cd392b72628a25aad5be6b4a77080.exe

  • Size

    148KB

  • MD5

    0a1039909037b772be13e1c2ed899361

  • SHA1

    fb7f6e035046af6b9dc44bce0aeca128944bfc6f

  • SHA256

    f0e5b175435a44d33c7a5eb4f1f89c0dcc1cd392b72628a25aad5be6b4a77080

  • SHA512

    4fbdb9637e86d93c76fa77c3b9d4580c7c0ecaef5d740418834eb853046c6461915a9b5df64392c0fc1cd38f5c3291915d367b708cff5d2005eab7eeb0a41f7e

  • SSDEEP

    3072:gdo+EgRs59j/pvkqBBac+RAGq1bg7Yfgst6OzOS79pgRZkhQJAOA7XE5j4oQ:OoVbj/pvkqBBac+RAGq1bZHtrzOS77kF

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0e5b175435a44d33c7a5eb4f1f89c0dcc1cd392b72628a25aad5be6b4a77080.exe
    "C:\Users\Admin\AppData\Local\Temp\f0e5b175435a44d33c7a5eb4f1f89c0dcc1cd392b72628a25aad5be6b4a77080.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\ruutaa.exe
      "C:\Users\Admin\ruutaa.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
      PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\ruutaa.exe

    Filesize

    148KB

    MD5

    98f778d69c46b47fa7201b8610aed425

    SHA1

    73e39305813a18f7d80c79925a14ab3969c67f68

    SHA256

    66a1a514818c4869d9b813edfea1929da08ee515f4fa0d42b6cfac12541db542

    SHA512

    19f94e297402b7b4827b3b9925471223c6ce8b7c560811489b3f07f057b59b54d97ef286e3828eec10089762c880e69b8320facd6e4dd84cd8f01b8e81f3dd3d

  • C:\Users\Admin\ruutaa.exe

    Filesize

    148KB

    MD5

    98f778d69c46b47fa7201b8610aed425

    SHA1

    73e39305813a18f7d80c79925a14ab3969c67f68

    SHA256

    66a1a514818c4869d9b813edfea1929da08ee515f4fa0d42b6cfac12541db542

    SHA512

    19f94e297402b7b4827b3b9925471223c6ce8b7c560811489b3f07f057b59b54d97ef286e3828eec10089762c880e69b8320facd6e4dd84cd8f01b8e81f3dd3d

  • \Users\Admin\ruutaa.exe

    Filesize

    148KB

    MD5

    98f778d69c46b47fa7201b8610aed425

    SHA1

    73e39305813a18f7d80c79925a14ab3969c67f68

    SHA256

    66a1a514818c4869d9b813edfea1929da08ee515f4fa0d42b6cfac12541db542

    SHA512

    19f94e297402b7b4827b3b9925471223c6ce8b7c560811489b3f07f057b59b54d97ef286e3828eec10089762c880e69b8320facd6e4dd84cd8f01b8e81f3dd3d

  • \Users\Admin\ruutaa.exe

    Filesize

    148KB

    MD5

    98f778d69c46b47fa7201b8610aed425

    SHA1

    73e39305813a18f7d80c79925a14ab3969c67f68

    SHA256

    66a1a514818c4869d9b813edfea1929da08ee515f4fa0d42b6cfac12541db542

    SHA512

    19f94e297402b7b4827b3b9925471223c6ce8b7c560811489b3f07f057b59b54d97ef286e3828eec10089762c880e69b8320facd6e4dd84cd8f01b8e81f3dd3d

  • memory/1708-56-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB