Analysis

  • max time kernel
    144s
  • max time network
    127s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14/05/2024, 01:39

General

  • Target
    9276280817d21fa73a4c27322909cdfea2bb44235b79ab169bf4f494a23f242f.exe
  • Size 1.7MB
  • Sample240514-b3c3baef37
  • SHA256 9276280817d21fa73a4c27322909cdfea2bb44235b79ab169bf4f494a23f242f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.20

C2
  • http://5.42.96.141

  • http://5.42.96.7

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/index.php

rc4.plain
rc4.plain

Extracted

Family
  • risepro

C2
  • 147.45.47.126:58709

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 9 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 18 IoCs

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

  • Executes dropped EXE 8 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Themida packer 43 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 5 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9276280817d21fa73a4c27322909cdfea2bb44235b79ab169bf4f494a23f242f.exe
    "C:\Users\Admin\AppData\Local\Temp\9276280817d21fa73a4c27322909cdfea2bb44235b79ab169bf4f494a23f242f.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
        "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
        3⤵
          PID:4308
        • C:\Users\Admin\AppData\Local\Temp\1000005001\amers.exe
          "C:\Users\Admin\AppData\Local\Temp\1000005001\amers.exe"
          3⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2072
          • C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
            "C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe"
            4⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Identifies Wine through registry keys
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious behavior: EnumeratesProcesses
            PID:3096
        • C:\Users\Admin\1000006002\b534dcce8a.exe
          "C:\Users\Admin\1000006002\b534dcce8a.exe"
          3⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Checks whether UAC is enabled
          PID:3220
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:748
    • C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:3884
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:2448
    • C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2984

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          b534dcce8a.exe

          • Path C:\Users\Admin\1000006002\b534dcce8a.exe
          • Size 2.2MB
          • SHA256 90a33791503aa0d9392ba6dbecac53956d4c0be4f17273ccdb9424199e51e0da
          • MD5 SHA1 SHA512 SSDEEP

          amers.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1000005001\amers.exe
          • Size 1.8MB
          • SHA256 8febcf67cc46e6b56609984c709d360f667b709348ef7dd42b45c0d6afa2cb09
          • MD5 SHA1 SHA512 SSDEEP

          explorku.exe

          • Path C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
          • Size 1.7MB
          • SHA256 9276280817d21fa73a4c27322909cdfea2bb44235b79ab169bf4f494a23f242f
          • MD5 SHA1 SHA512 SSDEEP

          memory/748-107-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-114-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-105-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-106-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-110-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-109-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-104-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-108-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/748-111-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2072-61-0x0000000000FA0000-0x000000000144E000-memory.dmp

          memory/2072-47-0x0000000000FA0000-0x000000000144E000-memory.dmp

          memory/2072-48-0x00000000773C6000-0x00000000773C8000-memory.dmp

          memory/2448-137-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2448-147-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2740-1-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-0-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-19-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-2-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-7-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-4-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-6-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-5-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-3-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2740-8-0x0000000000540000-0x0000000000A93000-memory.dmp

          memory/2900-27-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-22-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-21-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-26-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-24-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-29-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-90-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-28-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-23-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2900-25-0x0000000000ED0000-0x0000000001423000-memory.dmp

          memory/2984-149-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/2984-145-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-92-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-126-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-129-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-100-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-62-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-97-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-95-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-123-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-121-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3096-117-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3220-86-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-89-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-85-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-93-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-81-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-82-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-88-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-87-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-83-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3220-84-0x0000000000B80000-0x0000000001215000-memory.dmp

          memory/3884-115-0x0000000000180000-0x000000000062E000-memory.dmp

          memory/3884-116-0x0000000000180000-0x000000000062E000-memory.dmp