Analysis

  • max time kernel
    142s
  • max time network
    115s
  • 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 09:33

General

  • Target

    17d4e9b1afe9f6dfac2d3598a4e90b553c52102965957686504f3d5e6aa8d5c6.exe

  • Size

    1.8MB

  • MD5

    0f767ab9de8f50d18c8506f5f0d567fa

  • SHA1

    491a38357ee3a44aad8c129d41271fcbfe3c5a62

  • SHA256

    17d4e9b1afe9f6dfac2d3598a4e90b553c52102965957686504f3d5e6aa8d5c6

  • SHA512

    78d424661ac8ecc42a66f561ece458d2588017f7d2e4b854abe84ca9a6afb253aef90ce2eae613a01606137836f9274985a0eeb78ebed5980fe59497ef467eb9

  • SSDEEP

    24576:wwLB/Frn9Eh2Lf0Osh+nGggXMvRfVitoRCqoT826wXj85c7lot0d9Wj6lrwQvZdU:HB/FShdOxKXMvRdbRto4wdpBduP

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 5 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 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 7 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 14 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17d4e9b1afe9f6dfac2d3598a4e90b553c52102965957686504f3d5e6aa8d5c6.exe
    "C:\Users\Admin\AppData\Local\Temp\17d4e9b1afe9f6dfac2d3598a4e90b553c52102965957686504f3d5e6aa8d5c6.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:4796
    • 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:4676
      • C:\Users\Admin\AppData\Local\Temp\1000006001\1b8a136897.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\1b8a136897.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:4472
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JJJJKEHCAK.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4572
          • C:\Users\Admin\AppData\Local\Temp\JJJJKEHCAK.exe
            "C:\Users\Admin\AppData\Local\Temp\JJJJKEHCAK.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:4476
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EBFBFBFIIJ.exe"
          4⤵
          • Suspicious use of SetWindowsHookEx
          PID:1652
  • 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:2788
  • 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:4000

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\1b8a136897.exe

    Filesize

    2.4MB

    MD5

    43a78a6987bf599db55f41bd3cd1d011

    SHA1

    b55a8d60de946c9151de60df2225dce89c95be43

    SHA256

    ff5c8360c9f87054525970c5aeb707cc177291904206b5c18b09e0e6e2ce7420

    SHA512

    808312620b6c2517876aa4f744a53be817fa9b0b5cdcb681943da060652957519c20e9f533f602dc6cdc8a0068a01e526cff797156f67b0f350f38c7b55bbbf4

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

    Filesize

    1.8MB

    MD5

    0f767ab9de8f50d18c8506f5f0d567fa

    SHA1

    491a38357ee3a44aad8c129d41271fcbfe3c5a62

    SHA256

    17d4e9b1afe9f6dfac2d3598a4e90b553c52102965957686504f3d5e6aa8d5c6

    SHA512

    78d424661ac8ecc42a66f561ece458d2588017f7d2e4b854abe84ca9a6afb253aef90ce2eae613a01606137836f9274985a0eeb78ebed5980fe59497ef467eb9

  • memory/2788-122-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/2788-121-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4000-130-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4000-131-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4472-107-0x0000000000830000-0x0000000001411000-memory.dmp

    Filesize

    11.9MB

  • memory/4472-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4472-37-0x0000000000830000-0x0000000001411000-memory.dmp

    Filesize

    11.9MB

  • memory/4476-112-0x0000000000B00000-0x0000000000FB2000-memory.dmp

    Filesize

    4.7MB

  • memory/4476-111-0x0000000000B00000-0x0000000000FB2000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-113-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-126-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-20-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-104-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-19-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-18-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-134-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-133-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-114-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-115-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-116-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-117-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-118-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-120-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-132-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-129-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-123-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-124-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-125-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-21-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4676-127-0x0000000000460000-0x0000000000912000-memory.dmp

    Filesize

    4.7MB

  • memory/4796-3-0x0000000000520000-0x00000000009D2000-memory.dmp

    Filesize

    4.7MB

  • memory/4796-2-0x0000000000521000-0x000000000054F000-memory.dmp

    Filesize

    184KB

  • memory/4796-1-0x0000000077CA6000-0x0000000077CA8000-memory.dmp

    Filesize

    8KB

  • memory/4796-5-0x0000000000520000-0x00000000009D2000-memory.dmp

    Filesize

    4.7MB

  • memory/4796-0-0x0000000000520000-0x00000000009D2000-memory.dmp

    Filesize

    4.7MB

  • memory/4796-17-0x0000000000520000-0x00000000009D2000-memory.dmp

    Filesize

    4.7MB