Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-07-2024 14:25

General

  • Target

    d658a8172fc6147955120da4f871b8fa9c34935769a884b3398551a5d0869ebc.exe

  • Size

    1.8MB

  • MD5

    110b475bb84ae7623e7cf0e989f009ed

  • SHA1

    a5bfc296ec2745aa94928b599e01963abc7cf18b

  • SHA256

    d658a8172fc6147955120da4f871b8fa9c34935769a884b3398551a5d0869ebc

  • SHA512

    46a5ff39e6f60ac3fa5b3e60088a50e551068f4dfb62f259ace77d11953d524948f3001f74de72e98c0a9af4808a829f29f56147a7994a60f3de2220cea64fc4

  • SSDEEP

    24576:XNO05TGfmcZGqRMnqgk1dqr/rxtJivsRIAtRLu5Ueiq5J3BT0Rwu2u20D:XY0MuU11qr/FzSIa5UeiC9Pg

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 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.

  • 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 8 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d658a8172fc6147955120da4f871b8fa9c34935769a884b3398551a5d0869ebc.exe
    "C:\Users\Admin\AppData\Local\Temp\d658a8172fc6147955120da4f871b8fa9c34935769a884b3398551a5d0869ebc.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4376
    • 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
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4252
      • C:\Users\Admin\AppData\Local\Temp\1000006001\d43684a21e.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\d43684a21e.exe"
        3⤵
        • 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:2796
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IDHCGDAFBK.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2212
          • C:\Users\Admin\AppData\Local\Temp\IDHCGDAFBK.exe
            "C:\Users\Admin\AppData\Local\Temp\IDHCGDAFBK.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:3636
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AKKEGDGCGD.exe"
          4⤵
          • Suspicious use of SetWindowsHookEx
          PID:2424
  • 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:4184
  • 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:2324
  • 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:2968

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\AppData\Local\Temp\1000006001\d43684a21e.exe

    Filesize

    2.4MB

    MD5

    d7fd8f9fd59b2a5ad6a6c390ae69a197

    SHA1

    9e4302b57b3cfcde37727cd0620540e9b9681382

    SHA256

    1721005326a495d40f67f96882334ac18f10008287986e5511ba9dd681f189b0

    SHA512

    0582114f94e55ac3c2664b88791093085284efe70c472b6b6a02064d1f0ac7ff2198c19b7042a692c32193b363aacb9058b0a44df46f07e517b1c4cbf2f14ac1

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

    Filesize

    1.8MB

    MD5

    110b475bb84ae7623e7cf0e989f009ed

    SHA1

    a5bfc296ec2745aa94928b599e01963abc7cf18b

    SHA256

    d658a8172fc6147955120da4f871b8fa9c34935769a884b3398551a5d0869ebc

    SHA512

    46a5ff39e6f60ac3fa5b3e60088a50e551068f4dfb62f259ace77d11953d524948f3001f74de72e98c0a9af4808a829f29f56147a7994a60f3de2220cea64fc4

  • memory/2324-129-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/2324-128-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/2796-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2796-37-0x0000000000F50000-0x0000000001B3D000-memory.dmp

    Filesize

    11.9MB

  • memory/2796-108-0x0000000000F50000-0x0000000001B3D000-memory.dmp

    Filesize

    11.9MB

  • memory/2968-138-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/2968-137-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/3636-113-0x0000000000FB0000-0x000000000146A000-memory.dmp

    Filesize

    4.7MB

  • memory/3636-114-0x0000000000FB0000-0x000000000146A000-memory.dmp

    Filesize

    4.7MB

  • memory/4184-117-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4184-119-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-21-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-124-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-139-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-112-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-20-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-19-0x0000000000041000-0x000000000006F000-memory.dmp

    Filesize

    184KB

  • memory/4252-116-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-18-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-135-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-121-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-120-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-122-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-123-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-104-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-125-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-126-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-134-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-133-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-130-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-131-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4252-132-0x0000000000040000-0x00000000004FA000-memory.dmp

    Filesize

    4.7MB

  • memory/4376-3-0x0000000000CC0000-0x000000000117A000-memory.dmp

    Filesize

    4.7MB

  • memory/4376-5-0x0000000000CC0000-0x000000000117A000-memory.dmp

    Filesize

    4.7MB

  • memory/4376-17-0x0000000000CC0000-0x000000000117A000-memory.dmp

    Filesize

    4.7MB

  • memory/4376-2-0x0000000000CC1000-0x0000000000CEF000-memory.dmp

    Filesize

    184KB

  • memory/4376-1-0x0000000077D76000-0x0000000077D78000-memory.dmp

    Filesize

    8KB

  • memory/4376-0-0x0000000000CC0000-0x000000000117A000-memory.dmp

    Filesize

    4.7MB