Analysis

  • max time kernel
    119s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15-02-2022 13:10

General

  • Target

    595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532.exe

  • Size

    3.2MB

  • MD5

    b3a3605b1768e34126afb8cb065a1ef9

  • SHA1

    1aa6029292bf5c72b03e62ec8708ba992da0ec9b

  • SHA256

    595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532

  • SHA512

    f8c5cc965ea6c4fd660934d5c074849c6d20ec5e5bea2d0b8dae609bc88147f11d91cc2b994f8e60ff08eaed28cd57a5cbf272ea5a6b7522ed2c2e9adf22d8bd

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532.exe
    "C:\Users\Admin\AppData\Local\Temp\595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532.exe"
    1⤵
    • Checks BIOS information in registry
    • Drops startup file
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: AddClipboardFormatListener
      PID:556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

    MD5

    b3a3605b1768e34126afb8cb065a1ef9

    SHA1

    1aa6029292bf5c72b03e62ec8708ba992da0ec9b

    SHA256

    595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532

    SHA512

    f8c5cc965ea6c4fd660934d5c074849c6d20ec5e5bea2d0b8dae609bc88147f11d91cc2b994f8e60ff08eaed28cd57a5cbf272ea5a6b7522ed2c2e9adf22d8bd

  • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

    MD5

    b3a3605b1768e34126afb8cb065a1ef9

    SHA1

    1aa6029292bf5c72b03e62ec8708ba992da0ec9b

    SHA256

    595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532

    SHA512

    f8c5cc965ea6c4fd660934d5c074849c6d20ec5e5bea2d0b8dae609bc88147f11d91cc2b994f8e60ff08eaed28cd57a5cbf272ea5a6b7522ed2c2e9adf22d8bd

  • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

    MD5

    b3a3605b1768e34126afb8cb065a1ef9

    SHA1

    1aa6029292bf5c72b03e62ec8708ba992da0ec9b

    SHA256

    595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532

    SHA512

    f8c5cc965ea6c4fd660934d5c074849c6d20ec5e5bea2d0b8dae609bc88147f11d91cc2b994f8e60ff08eaed28cd57a5cbf272ea5a6b7522ed2c2e9adf22d8bd

  • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

    MD5

    b3a3605b1768e34126afb8cb065a1ef9

    SHA1

    1aa6029292bf5c72b03e62ec8708ba992da0ec9b

    SHA256

    595728d3602df8a2930eeb36232f43624d93049d5793ea8acf98964427f0f532

    SHA512

    f8c5cc965ea6c4fd660934d5c074849c6d20ec5e5bea2d0b8dae609bc88147f11d91cc2b994f8e60ff08eaed28cd57a5cbf272ea5a6b7522ed2c2e9adf22d8bd

  • memory/556-64-0x000000013FC50000-0x0000000140556000-memory.dmp

    Filesize

    9.0MB

  • memory/556-65-0x000000013FC50000-0x0000000140556000-memory.dmp

    Filesize

    9.0MB

  • memory/556-66-0x000000013FC50000-0x0000000140556000-memory.dmp

    Filesize

    9.0MB

  • memory/1676-55-0x00000000778B0000-0x00000000778B2000-memory.dmp

    Filesize

    8KB

  • memory/1676-56-0x000000013FE60000-0x0000000140766000-memory.dmp

    Filesize

    9.0MB

  • memory/1676-57-0x000000013FE60000-0x0000000140766000-memory.dmp

    Filesize

    9.0MB

  • memory/1676-58-0x000000013FE60000-0x0000000140766000-memory.dmp

    Filesize

    9.0MB

  • memory/1676-59-0x000007FEFC0E1000-0x000007FEFC0E3000-memory.dmp

    Filesize

    8KB