Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 01:10

General

  • Target

    03907110e6fedb43d09de8ccbe4075192767556959db4969c7640eb152aefb93N.exe

  • Size

    164KB

  • MD5

    6a3c0e8a8696265e01a1fc641568eff0

  • SHA1

    a1e7898b97765d7c263055402861f4f808870b69

  • SHA256

    03907110e6fedb43d09de8ccbe4075192767556959db4969c7640eb152aefb93

  • SHA512

    31215527b52d6df7ab3ba35104a310ff2c32386ae608b9f715b973e616de1e48553909f2106a3698094394bdd48094c97dccb8e536b6a87fa1afc211294b9bcf

  • SSDEEP

    3072:hsWcISl26veiCi36JRbs4jwKWuRr6TQY3RBTzFJ0T727a:hsWcIM26mJDjwZuesY3fTzFJ0T722

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 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03907110e6fedb43d09de8ccbe4075192767556959db4969c7640eb152aefb93N.exe
    "C:\Users\Admin\AppData\Local\Temp\03907110e6fedb43d09de8ccbe4075192767556959db4969c7640eb152aefb93N.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\tiedoy.exe
      "C:\Users\Admin\tiedoy.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\tiedoy.exe

    Filesize

    164KB

    MD5

    537388e0b37096286f761b99f6594081

    SHA1

    8aaca2ef60988673a9c7648be1869ac93a06fa51

    SHA256

    7e7865565d0b6f03f2aec844312a75e100e55e8e4da89004d3e95bcc8190aa7f

    SHA512

    7a1b5dac4bd42f6f1154e2d28c6983c24e0c373047cd1634e0780261334680aa3d9ca3b2080e03a74d85308853062bb7ff8d09bd1b210450c5a3a9b5718d6176