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Analysis

  • max time kernel
    143s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2024, 08:31

General

  • Target

    0dc81099a7d5ed3433254bd1db8f8deecc91af894890cff9577f72c25f49b281.exe

  • Size

    1.8MB

  • MD5

    a63894cd5aceeab403385eb06e4fd6b0

  • SHA1

    3e4df142ac5f08bc72ce5d5177b3130407a8b785

  • SHA256

    0dc81099a7d5ed3433254bd1db8f8deecc91af894890cff9577f72c25f49b281

  • SHA512

    2527822c56b492e3ded906dac902ad5f15b6a9ea859a5d90041ac6a6f33253980af1462268abc7d12683758cd66ac61d3a49f5eeb218cf827c730366307b122f

  • SSDEEP

    49152:N8ivcwEDsCh+vcKjzHfOUndIdW4l1Gwptp3:NcwEJhg3Ok2dWOp3

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

http://5.42.96.141

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/index.php

rc4.plain

Signatures

  • Amadey

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Themida packer 37 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dc81099a7d5ed3433254bd1db8f8deecc91af894890cff9577f72c25f49b281.exe
    "C:\Users\Admin\AppData\Local\Temp\0dc81099a7d5ed3433254bd1db8f8deecc91af894890cff9577f72c25f49b281.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3628
    • 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
      • Checks whether UAC is enabled
      PID:2028
  • 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:2280
  • 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:3336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe

    Filesize

    1.8MB

    MD5

    a63894cd5aceeab403385eb06e4fd6b0

    SHA1

    3e4df142ac5f08bc72ce5d5177b3130407a8b785

    SHA256

    0dc81099a7d5ed3433254bd1db8f8deecc91af894890cff9577f72c25f49b281

    SHA512

    2527822c56b492e3ded906dac902ad5f15b6a9ea859a5d90041ac6a6f33253980af1462268abc7d12683758cd66ac61d3a49f5eeb218cf827c730366307b122f

  • memory/2028-21-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-29-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-24-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-26-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-25-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-27-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-28-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-23-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2028-22-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-44-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-36-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-35-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-37-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-38-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-40-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-42-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-41-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/2280-39-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-55-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-57-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-60-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-52-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-54-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-56-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-58-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-59-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3336-53-0x0000000000310000-0x0000000000870000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-1-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-20-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-7-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-6-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-2-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-5-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-0-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-4-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB

  • memory/3628-3-0x0000000000330000-0x0000000000890000-memory.dmp

    Filesize

    5.4MB