Analysis

  • max time kernel
    151s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 05:04

General

  • Target

    a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be.exe

  • Size

    96KB

  • MD5

    9bf013b618fff78ef8a428d3dbdc16c0

  • SHA1

    d15d88e5a4945a5ad64739865e6c012c2e6ea976

  • SHA256

    a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be

  • SHA512

    f2ba5ed283fe20cc5f2b7ec10cfceb9284341ed379a5eda3428bc1f655b17b7e2f41a8a0c9a28218cecd3193c08328911749b53c8d26ba6332c6b8bf7185a763

  • SSDEEP

    1536:0O6/l1TwFJW1p++yX43zRKLD8tocP5OaH6QfUHkwrEVnLJX+I+ojQKAd9dCEG:W/HGOpfyX43gkh5d6QfUH9EVnZ1jQKAS

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\a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be.exe
    "C:\Users\Admin\AppData\Local\Temp\a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be.exe
      74
      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:1056
      • C:\Users\Admin\jiitiin.exe
        "C:\Users\Admin\jiitiin.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Users\Admin\jiitiin.exe
          74
          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:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jiitiin.exe

    Filesize

    96KB

    MD5

    9bf013b618fff78ef8a428d3dbdc16c0

    SHA1

    d15d88e5a4945a5ad64739865e6c012c2e6ea976

    SHA256

    a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be

    SHA512

    f2ba5ed283fe20cc5f2b7ec10cfceb9284341ed379a5eda3428bc1f655b17b7e2f41a8a0c9a28218cecd3193c08328911749b53c8d26ba6332c6b8bf7185a763

  • C:\Users\Admin\jiitiin.exe

    Filesize

    96KB

    MD5

    9bf013b618fff78ef8a428d3dbdc16c0

    SHA1

    d15d88e5a4945a5ad64739865e6c012c2e6ea976

    SHA256

    a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be

    SHA512

    f2ba5ed283fe20cc5f2b7ec10cfceb9284341ed379a5eda3428bc1f655b17b7e2f41a8a0c9a28218cecd3193c08328911749b53c8d26ba6332c6b8bf7185a763

  • C:\Users\Admin\jiitiin.exe

    Filesize

    96KB

    MD5

    9bf013b618fff78ef8a428d3dbdc16c0

    SHA1

    d15d88e5a4945a5ad64739865e6c012c2e6ea976

    SHA256

    a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be

    SHA512

    f2ba5ed283fe20cc5f2b7ec10cfceb9284341ed379a5eda3428bc1f655b17b7e2f41a8a0c9a28218cecd3193c08328911749b53c8d26ba6332c6b8bf7185a763

  • \Users\Admin\jiitiin.exe

    Filesize

    96KB

    MD5

    9bf013b618fff78ef8a428d3dbdc16c0

    SHA1

    d15d88e5a4945a5ad64739865e6c012c2e6ea976

    SHA256

    a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be

    SHA512

    f2ba5ed283fe20cc5f2b7ec10cfceb9284341ed379a5eda3428bc1f655b17b7e2f41a8a0c9a28218cecd3193c08328911749b53c8d26ba6332c6b8bf7185a763

  • \Users\Admin\jiitiin.exe

    Filesize

    96KB

    MD5

    9bf013b618fff78ef8a428d3dbdc16c0

    SHA1

    d15d88e5a4945a5ad64739865e6c012c2e6ea976

    SHA256

    a06bf3c634d163fb9af4fa16a2573bf204cc5d37f395d9c333fd0d1503e021be

    SHA512

    f2ba5ed283fe20cc5f2b7ec10cfceb9284341ed379a5eda3428bc1f655b17b7e2f41a8a0c9a28218cecd3193c08328911749b53c8d26ba6332c6b8bf7185a763

  • memory/1056-62-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1056-63-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB

  • memory/1056-56-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1056-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1056-80-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1112-78-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1112-81-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB