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Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/08/2024, 09:36

General

  • Target

    4cc9896a833f673c052b48210653069bf20dc60eb233c333189b394b63b5459b.exe

  • Size

    1.8MB

  • MD5

    2ae26184639c7c721dec39b877f2e2e6

  • SHA1

    95ec2f344dfcd29c653a863aba0cd66cc7286370

  • SHA256

    4cc9896a833f673c052b48210653069bf20dc60eb233c333189b394b63b5459b

  • SHA512

    23e78d56d7058f66d9e961670f528bdfb444bb0e33637363d11b7a2815a6c2f2749b751f8c7f1bf044a847ee3cf20fa625b9aaee15d1296fedf3fc28534d8804

  • SSDEEP

    49152:sH62iSnANqllLAJA0XtlXuCxhAUoOBsplgCwgBpPtytgKQD:saCWq8AYmUo7rg/K7ig

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

stealc

Botnet

kora

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

stealc

Botnet

default

C2

http://185.215.113.24

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Amadey

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

  • Stealc

    Stealc is an infostealer written in C++.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Executes dropped EXE 5 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.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cc9896a833f673c052b48210653069bf20dc60eb233c333189b394b63b5459b.exe
    "C:\Users\Admin\AppData\Local\Temp\4cc9896a833f673c052b48210653069bf20dc60eb233c333189b394b63b5459b.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe"
      2⤵
      • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:232
      • C:\Users\Admin\1000037002\2c1ebcf944.exe
        "C:\Users\Admin\1000037002\2c1ebcf944.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 2336
          4⤵
          • Program crash
          PID:5104
      • C:\Users\Admin\AppData\Local\Temp\1000038001\32dfa2bc06.exe
        "C:\Users\Admin\AppData\Local\Temp\1000038001\32dfa2bc06.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4152
  • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:2812
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1556 -ip 1556
    1⤵
      PID:1480
    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
      C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:1132

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • C:\Users\Admin\1000037002\2c1ebcf944.exe

      Filesize

      2.5MB

      MD5

      14be4db1d97b50efc974bc352bf326e2

      SHA1

      ced26748d9c6f58d06c5113d14f2635b8ff95c3c

      SHA256

      1f4373f4a1d1655f2e52ff75ad9c9805e6c0332126f8d561b79dec41088e1065

      SHA512

      478ddd9f148fb1be611c1620a2ffd781fc037cdd6f980ff5b89bfe8c2d1967a3f3b37c4fe184cc82863f88d682e55046595d027c8ef3d996a57548aaa8d08284

    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe

      Filesize

      1.8MB

      MD5

      2ae26184639c7c721dec39b877f2e2e6

      SHA1

      95ec2f344dfcd29c653a863aba0cd66cc7286370

      SHA256

      4cc9896a833f673c052b48210653069bf20dc60eb233c333189b394b63b5459b

      SHA512

      23e78d56d7058f66d9e961670f528bdfb444bb0e33637363d11b7a2815a6c2f2749b751f8c7f1bf044a847ee3cf20fa625b9aaee15d1296fedf3fc28534d8804

    • C:\Users\Admin\AppData\Local\Temp\1000036001\76597b1e31.exe

      Filesize

      1.9MB

      MD5

      6ea2d3960e98b33756790a963b23ebeb

      SHA1

      fb91cf6f7d448595ce9b314b01f9205235ffc58f

      SHA256

      2dec95e574c823938678709834ea4d67f444cf9d415c781e657bed356d138d19

      SHA512

      16c0c1e8ba42ff4727af07fa1f2f459c9eb845057743390aa91fa72ae11636c982490009fb40dd59e53b5040b5cba55462c0ffa4bc3dcc6061a849e471dfe084

    • C:\Users\Admin\AppData\Local\Temp\1000038001\32dfa2bc06.exe

      Filesize

      187KB

      MD5

      278ee1426274818874556aa18fd02e3a

      SHA1

      185a2761330024dec52134df2c8388c461451acb

      SHA256

      37257ddb1a6f309a6e9d147b5fc2551a9cae3a0e52b191b18d9465bfcb5c18eb

      SHA512

      07ec6759af5b9a00d8371b9fd9b723012dd0a1614cfcc7cd51975a004f69ffb90083735e9a871a2aa0e8d28799beac53a4748f55f4dd1e7495bc7388ebf4d6a0

    • memory/232-21-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-56-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-18-0x0000000000E51000-0x0000000000E7F000-memory.dmp

      Filesize

      184KB

    • memory/232-19-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-20-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-167-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-22-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-23-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-24-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-25-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-26-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-27-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-166-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-165-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-164-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-161-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-34-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-159-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-55-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-16-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/232-132-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/1132-163-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/1556-158-0x0000000000400000-0x0000000000FED000-memory.dmp

      Filesize

      11.9MB

    • memory/1556-136-0x0000000000400000-0x0000000000FED000-memory.dmp

      Filesize

      11.9MB

    • memory/1556-90-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1556-72-0x0000000000400000-0x0000000000FED000-memory.dmp

      Filesize

      11.9MB

    • memory/2812-33-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/2812-31-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/2812-30-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/2812-29-0x0000000000E50000-0x0000000001305000-memory.dmp

      Filesize

      4.7MB

    • memory/3028-2-0x00000000003F1000-0x000000000041F000-memory.dmp

      Filesize

      184KB

    • memory/3028-15-0x00000000003F0000-0x00000000008A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3028-4-0x00000000003F0000-0x00000000008A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3028-1-0x0000000076F06000-0x0000000076F08000-memory.dmp

      Filesize

      8KB

    • memory/3028-3-0x00000000003F0000-0x00000000008A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3028-0-0x00000000003F0000-0x00000000008A5000-memory.dmp

      Filesize

      4.7MB

    • memory/4152-89-0x0000000000550000-0x0000000000793000-memory.dmp

      Filesize

      2.3MB

    • memory/4152-160-0x0000000000550000-0x0000000000793000-memory.dmp

      Filesize

      2.3MB