Analysis

  • max time kernel
    144s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 13:25

General

  • Target

    9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe

  • Size

    1.8MB

  • MD5

    702918dd545d7c4bb479134f3ae20ce8

  • SHA1

    45fb757feee6fba1422587e3dfd8d63b3a5ce295

  • SHA256

    9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871

  • SHA512

    53672af10d9c6a4759abba2c44c870ac96f46fd7e5aaa715e05981c62e132d46529dd7901938a4f2e75e599d71956af85ce7aca467ae37d0036eeddbb1122531

  • SSDEEP

    49152:IlF19fNVXd5d2JhiRmOfxsVCjtEa8hM5x/:Iz19fN9LfxsVCSl+5x/

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/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
  • Downloads MZ/PE file
  • 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 2 IoCs

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

  • Executes dropped EXE 3 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe
    "C:\Users\Admin\AppData\Local\Temp\9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1036
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4268,i,7869973516895866428,11647313872437892197,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:8
    1⤵
      PID:2960
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:5024
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1000006001\e5ea166e24.exe

      Filesize

      80KB

      MD5

      e123cb7c874a8ae1ddb9ae5897f601b3

      SHA1

      a26de4d0abd9f21060d68835bfc82bac3d3b227f

      SHA256

      dcb693362befc6b4dd580e1641812eb722b782ac21c9760ec3a27f5eb517e546

      SHA512

      0382b585ed1ae486861125ffe60778e5a91985a5f8b3b481dcdd24d85695ec8c7804069890f90d92ae844913f6c2ee2b173ca6f40229aba6de47475d00fe4884

    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

      Filesize

      1.8MB

      MD5

      702918dd545d7c4bb479134f3ae20ce8

      SHA1

      45fb757feee6fba1422587e3dfd8d63b3a5ce295

      SHA256

      9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871

      SHA512

      53672af10d9c6a4759abba2c44c870ac96f46fd7e5aaa715e05981c62e132d46529dd7901938a4f2e75e599d71956af85ce7aca467ae37d0036eeddbb1122531

    • memory/1036-19-0x0000000000051000-0x000000000007F000-memory.dmp

      Filesize

      184KB

    • memory/1036-24-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-27-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-56-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-15-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-55-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-54-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-20-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-21-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-22-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-23-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-35-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-25-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-26-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-57-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-34-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-51-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-31-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-50-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-33-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/1068-53-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/3464-4-0x0000000000F50000-0x0000000001404000-memory.dmp

      Filesize

      4.7MB

    • memory/3464-1-0x0000000077994000-0x0000000077996000-memory.dmp

      Filesize

      8KB

    • memory/3464-3-0x0000000000F50000-0x0000000001404000-memory.dmp

      Filesize

      4.7MB

    • memory/3464-0-0x0000000000F50000-0x0000000001404000-memory.dmp

      Filesize

      4.7MB

    • memory/3464-18-0x0000000000F50000-0x0000000001404000-memory.dmp

      Filesize

      4.7MB

    • memory/3464-2-0x0000000000F51000-0x0000000000F7F000-memory.dmp

      Filesize

      184KB

    • memory/5024-32-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/5024-30-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB

    • memory/5024-29-0x0000000000050000-0x0000000000504000-memory.dmp

      Filesize

      4.7MB