Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2024, 16:04

General

  • Target

    b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe

  • Size

    1.8MB

  • MD5

    e2de3ad7601e5370da34efa79c574892

  • SHA1

    92968a543b0b550f8aee3fbd0dcb09d3a1796c2b

  • SHA256

    b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502

  • SHA512

    6150a9e7f7b040dbfd10c0bcde6fb45c879877a20dc4c0cb5d26f64cf6a2db0f6b3b7d9d3813a0a200ca5dfe88d778275bb3ab1b7581584dffac4c61fe5bd565

  • SSDEEP

    49152:YsM6dHY5O/Wu52bxX92OiWO7a0oS9OESiW49yi9Yc:Ys3dHB/l5wxX9dSagMESidYc

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

default

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 6 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 12 IoCs

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

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Identifies Wine through registry keys 2 TTPs 6 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 11 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 16 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
    "C:\Users\Admin\AppData\Local\Temp\b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.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:1100
    • 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:3720
      • C:\Users\Admin\AppData\Local\Temp\1000006001\bf696612f1.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\bf696612f1.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:2712
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BGDBAKFCFH.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1836
          • C:\Users\Admin\AppData\Local\Temp\BGDBAKFCFH.exe
            "C:\Users\Admin\AppData\Local\Temp\BGDBAKFCFH.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:2284
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EGDGIEGHJE.exe"
          4⤵
          • Checks computer location settings
          • Suspicious use of SetWindowsHookEx
          PID:3164
  • 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:884
  • 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:4824
  • 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:1580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\bf696612f1.exe

    Filesize

    2.4MB

    MD5

    773e8af03da6e64f25166e7df67d71fe

    SHA1

    db43e8714ce1c8d496e0eef1f9f61fafa5dfa0ad

    SHA256

    03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e

    SHA512

    70bb1a7bf085b4373d06db5f1fe8acd011d5fac4d0c3f631b2d2ec7ba355cd05127b21eab290de500c09326674948a8b788eb49eb1ce21d1f58e53c3f22fafe6

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

    Filesize

    1.8MB

    MD5

    e2de3ad7601e5370da34efa79c574892

    SHA1

    92968a543b0b550f8aee3fbd0dcb09d3a1796c2b

    SHA256

    b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502

    SHA512

    6150a9e7f7b040dbfd10c0bcde6fb45c879877a20dc4c0cb5d26f64cf6a2db0f6b3b7d9d3813a0a200ca5dfe88d778275bb3ab1b7581584dffac4c61fe5bd565

  • memory/884-46-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/884-45-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/1100-5-0x0000000000C30000-0x0000000001101000-memory.dmp

    Filesize

    4.8MB

  • memory/1100-17-0x0000000000C30000-0x0000000001101000-memory.dmp

    Filesize

    4.8MB

  • memory/1100-3-0x0000000000C30000-0x0000000001101000-memory.dmp

    Filesize

    4.8MB

  • memory/1100-2-0x0000000000C31000-0x0000000000C5F000-memory.dmp

    Filesize

    184KB

  • memory/1100-0-0x0000000000C30000-0x0000000001101000-memory.dmp

    Filesize

    4.8MB

  • memory/1100-1-0x00000000779B4000-0x00000000779B6000-memory.dmp

    Filesize

    8KB

  • memory/1580-141-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/1580-140-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/2284-125-0x0000000000320000-0x00000000007F1000-memory.dmp

    Filesize

    4.8MB

  • memory/2284-124-0x0000000000320000-0x00000000007F1000-memory.dmp

    Filesize

    4.8MB

  • memory/2712-48-0x0000000000190000-0x0000000000D5F000-memory.dmp

    Filesize

    11.8MB

  • memory/2712-50-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2712-120-0x0000000000190000-0x0000000000D5F000-memory.dmp

    Filesize

    11.8MB

  • memory/2712-37-0x0000000000190000-0x0000000000D5F000-memory.dmp

    Filesize

    11.8MB

  • memory/2712-77-0x0000000000190000-0x0000000000D5F000-memory.dmp

    Filesize

    11.8MB

  • memory/2712-47-0x0000000000190000-0x0000000000D5F000-memory.dmp

    Filesize

    11.8MB

  • memory/2712-39-0x0000000000190000-0x0000000000D5F000-memory.dmp

    Filesize

    11.8MB

  • memory/3720-20-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-128-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-40-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-38-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-44-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-117-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-41-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-21-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-42-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-126-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-127-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-49-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-129-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-18-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-19-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-133-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-134-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-135-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-136-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-137-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/3720-138-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/4824-132-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB

  • memory/4824-131-0x0000000000990000-0x0000000000E61000-memory.dmp

    Filesize

    4.8MB