Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 00:50

General

  • Target

    898086f31ec7f44d394fd680483932289602d5cbccec069c300ee5d92bb0d3aa.exe

  • Size

    1.8MB

  • MD5

    3c6a376f94f27d869bc1fe1eaaff7aa8

  • SHA1

    4301db4dca953e9fa15707593e147b75c42b75d0

  • SHA256

    898086f31ec7f44d394fd680483932289602d5cbccec069c300ee5d92bb0d3aa

  • SHA512

    a628f6c31ceb970c777e25260c100ead0095b5bc2788420996410cbf6dfd3f8bfec51653559a4cf34f302db5722717df19a8e9f2009e192419cf7f1500b9921c

  • SSDEEP

    49152:KZrW7thc0iGkCGXO5I3LndWNuToDv59Sf:KY3JACGXO56BI54

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

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Signatures

  • Amadey

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

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 7 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 14 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Identifies Wine through registry keys 2 TTPs 7 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.

  • 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 9 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\898086f31ec7f44d394fd680483932289602d5cbccec069c300ee5d92bb0d3aa.exe
    "C:\Users\Admin\AppData\Local\Temp\898086f31ec7f44d394fd680483932289602d5cbccec069c300ee5d92bb0d3aa.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 WriteProcessMemory
    PID:1212
    • 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
      • Suspicious use of WriteProcessMemory
      PID:3688
      • C:\Users\Admin\AppData\Local\Temp\1000006001\612ed05725.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\612ed05725.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4500
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HDGDGHCAAK.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3952
          • C:\Users\Admin\AppData\Local\Temp\HDGDGHCAAK.exe
            "C:\Users\Admin\AppData\Local\Temp\HDGDGHCAAK.exe"
            5⤵
            • 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:4052
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FHIDAKFIJJ.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1936
          • C:\Users\Admin\AppData\Local\Temp\FHIDAKFIJJ.exe
            "C:\Users\Admin\AppData\Local\Temp\FHIDAKFIJJ.exe"
            5⤵
            • 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:932
  • 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=1008,i,17949988676391029604,13756926835471203788,262144 --variations-seed-version --mojo-platform-channel-handle=4372 /prefetch:8
    1⤵
      PID:3512
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=3632,i,17949988676391029604,13756926835471203788,262144 --variations-seed-version --mojo-platform-channel-handle=3516 /prefetch:3
      1⤵
        PID:3616
      • 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:3100
      • 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:1144
      • 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:1924

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Virtualization/Sandbox Evasion

      2
      T1497

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      3
      T1552.001

      Discovery

      Query Registry

      6
      T1012

      Virtualization/Sandbox Evasion

      2
      T1497

      System Information Discovery

      4
      T1082

      Collection

      Data from Local System

      3
      T1005

      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\AppData\Local\Temp\1000006001\612ed05725.exe
        Filesize

        2.4MB

        MD5

        58972b34ce77f8d7bbaa3f5b5344db20

        SHA1

        a3dc18dbe5abb0fffe62427366ff5f52e16a28a7

        SHA256

        048802231eccee2a6db341d1a4e92b2b1671eb287da215ad35fcf2bad70fa700

        SHA512

        4539e1723d3595faa2d53488623d33cd94d06ece1503e9359dabaa7fb6184cc63717f5d8d25ada897603ee40381ab881789b793776fab97b8f8c619cd2da133e

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

        1.8MB

        MD5

        3c6a376f94f27d869bc1fe1eaaff7aa8

        SHA1

        4301db4dca953e9fa15707593e147b75c42b75d0

        SHA256

        898086f31ec7f44d394fd680483932289602d5cbccec069c300ee5d92bb0d3aa

        SHA512

        a628f6c31ceb970c777e25260c100ead0095b5bc2788420996410cbf6dfd3f8bfec51653559a4cf34f302db5722717df19a8e9f2009e192419cf7f1500b9921c

      • memory/932-124-0x0000000000D80000-0x000000000121D000-memory.dmp
        Filesize

        4.6MB

      • memory/932-121-0x0000000000D80000-0x000000000121D000-memory.dmp
        Filesize

        4.6MB

      • memory/1144-141-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/1144-139-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/1212-1-0x0000000077D44000-0x0000000077D46000-memory.dmp
        Filesize

        8KB

      • memory/1212-0-0x0000000000CD0000-0x000000000116D000-memory.dmp
        Filesize

        4.6MB

      • memory/1212-2-0x0000000000CD1000-0x0000000000CFF000-memory.dmp
        Filesize

        184KB

      • memory/1212-5-0x0000000000CD0000-0x000000000116D000-memory.dmp
        Filesize

        4.6MB

      • memory/1212-3-0x0000000000CD0000-0x000000000116D000-memory.dmp
        Filesize

        4.6MB

      • memory/1212-17-0x0000000000CD0000-0x000000000116D000-memory.dmp
        Filesize

        4.6MB

      • memory/1924-151-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/1924-149-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3100-130-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3100-131-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-18-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-134-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-19-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-21-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-20-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-125-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-147-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-104-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-127-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-146-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-132-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-145-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-133-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-144-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-135-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-136-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-137-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-126-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-129-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-142-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/3688-143-0x0000000000890000-0x0000000000D2D000-memory.dmp
        Filesize

        4.6MB

      • memory/4052-112-0x00000000000F0000-0x000000000058D000-memory.dmp
        Filesize

        4.6MB

      • memory/4052-123-0x00000000000F0000-0x000000000058D000-memory.dmp
        Filesize

        4.6MB

      • memory/4500-117-0x0000000000D10000-0x0000000001908000-memory.dmp
        Filesize

        12.0MB

      • memory/4500-37-0x0000000000D10000-0x0000000001908000-memory.dmp
        Filesize

        12.0MB

      • memory/4500-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB

      • memory/4500-111-0x0000000000D10000-0x0000000001908000-memory.dmp
        Filesize

        12.0MB