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Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 17:11

General

  • Target

    b81789efd5424a11f9b922333b5b8df7419f962bda9a45ade03d127d028638c2.exe

  • Size

    240KB

  • MD5

    a0f5bde804bec6528a0665fe31370c7d

  • SHA1

    baa85a8ab4521f3c7e673abd63baa79284ce5a87

  • SHA256

    b81789efd5424a11f9b922333b5b8df7419f962bda9a45ade03d127d028638c2

  • SHA512

    75183663f29a5f7000d373d95e91d2dbd6b7e21412986ecd99ec3413f40c242fa8c24754afc36c718a75c9a5006defbea5568520031a39e3ed2b7b6351efd0b8

  • SSDEEP

    3072:GSS5WvhnPutUFbyn1wFFaTHGBS34BeAaPH/AC55HkpwTK5ZMf:C5YjFby1zHcS34EAkupP

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 58 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\b81789efd5424a11f9b922333b5b8df7419f962bda9a45ade03d127d028638c2.exe
    "C:\Users\Admin\AppData\Local\Temp\b81789efd5424a11f9b922333b5b8df7419f962bda9a45ade03d127d028638c2.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:2020
    • C:\Users\Admin\vaiigo.exe
      "C:\Users\Admin\vaiigo.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:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\vaiigo.exe

    Filesize

    240KB

    MD5

    0e577a9c77c8e7942f642cb60bbd5e26

    SHA1

    381c59cdf9a3b383952dc0ef180176424aa17650

    SHA256

    7a4e47780bce4a2579dbecaaeabb7225f33c559d2704ee92fbda3751250570f6

    SHA512

    0bcf3217c5732d0a73e683f93802c3a31a38293847b03816fc258b7d451bb6951bc17f55cfea2af7217de9e4533fe0c83978239be21f69318bc6b455fe72ff90

  • C:\Users\Admin\vaiigo.exe

    Filesize

    240KB

    MD5

    0e577a9c77c8e7942f642cb60bbd5e26

    SHA1

    381c59cdf9a3b383952dc0ef180176424aa17650

    SHA256

    7a4e47780bce4a2579dbecaaeabb7225f33c559d2704ee92fbda3751250570f6

    SHA512

    0bcf3217c5732d0a73e683f93802c3a31a38293847b03816fc258b7d451bb6951bc17f55cfea2af7217de9e4533fe0c83978239be21f69318bc6b455fe72ff90

  • \Users\Admin\vaiigo.exe

    Filesize

    240KB

    MD5

    0e577a9c77c8e7942f642cb60bbd5e26

    SHA1

    381c59cdf9a3b383952dc0ef180176424aa17650

    SHA256

    7a4e47780bce4a2579dbecaaeabb7225f33c559d2704ee92fbda3751250570f6

    SHA512

    0bcf3217c5732d0a73e683f93802c3a31a38293847b03816fc258b7d451bb6951bc17f55cfea2af7217de9e4533fe0c83978239be21f69318bc6b455fe72ff90

  • \Users\Admin\vaiigo.exe

    Filesize

    240KB

    MD5

    0e577a9c77c8e7942f642cb60bbd5e26

    SHA1

    381c59cdf9a3b383952dc0ef180176424aa17650

    SHA256

    7a4e47780bce4a2579dbecaaeabb7225f33c559d2704ee92fbda3751250570f6

    SHA512

    0bcf3217c5732d0a73e683f93802c3a31a38293847b03816fc258b7d451bb6951bc17f55cfea2af7217de9e4533fe0c83978239be21f69318bc6b455fe72ff90

  • memory/2020-56-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB