Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 01:22

General

  • Target

    41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe

  • Size

    2.4MB

  • MD5

    d961b76024edf043b709ae146a38a4c7

  • SHA1

    e520a1872769d35e045fba592f7987eb97e6f175

  • SHA256

    41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d

  • SHA512

    3b489b80d2f66920872ceec58907ac05b3283bf95bc19a4268c8ff86b0a22ae085d602a8573c09c3cf19d640388d27b0198d72e804c8c727333352d42f17beec

  • SSDEEP

    49152:ixg6k7wKl7hD3KwVD23iA1Vt5//6+b7FA55b1xiJOtieykm87eJJB1bsjbJ1TD:IFk7wKdhbj2ttN6+A5beCm8iJOZBD

Malware Config

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

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

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.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 6 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 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 14 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
    "C:\Users\Admin\AppData\Local\Temp\41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe
        "C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe"
        3⤵
        • 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
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4072
        • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
          "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
          4⤵
          • 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:712
          • C:\Users\Admin\AppData\Local\Temp\1000006001\82fae0406e.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\82fae0406e.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:2256
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HCGDGIDGIJ.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Users\Admin\AppData\Local\Temp\HCGDGIDGIJ.exe
        "C:\Users\Admin\AppData\Local\Temp\HCGDGIDGIJ.exe"
        3⤵
        • 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:1048
  • 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:3036
  • 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:4940

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\82fae0406e.exe

    Filesize

    2.4MB

    MD5

    1323616c7b4228edd3735c144d4632c2

    SHA1

    34c45567ebdfcfeeb9d950aa527bf3bac2709a41

    SHA256

    96a32d13cd84073e06f1b0c27c7daf3192bbce58278fbf5c1270bcae4c0eba37

    SHA512

    d023ba0ec57b3a80fdba972c259b60f4f3779a0d9692317e3e009507b8adf9bb66b63aa09214677dd8294750d7e8d6250722b5687fcca1e9eb7da16718c6a079

  • C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe

    Filesize

    1.9MB

    MD5

    237d618c4c6714dff8d9c4f7cf39a7ae

    SHA1

    288cd51ebb40f3e4f7ae8fd38a8c0ee4fe2fe11a

    SHA256

    30f55b9f45ee962f4184bf944db410a955b116394f5a5a37e5147c5c82fad4d8

    SHA512

    4ad3ba7e2fa72cb5a6edec44c0baf6604ef62c1ea1970a809c340bdfced606df7cd749cdf1f4e944120786c36b7ffee854136379a5452c01ce1cb2a3ad64b5fb

  • memory/712-134-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-136-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-145-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-144-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-143-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-139-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-138-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-137-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-135-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-129-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-128-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-127-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-107-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/712-126-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/1048-94-0x00000000002B0000-0x0000000000782000-memory.dmp

    Filesize

    4.8MB

  • memory/1048-87-0x00000000002B0000-0x0000000000782000-memory.dmp

    Filesize

    4.8MB

  • memory/2256-123-0x0000000000090000-0x0000000000C89000-memory.dmp

    Filesize

    12.0MB

  • memory/2256-125-0x0000000000090000-0x0000000000C89000-memory.dmp

    Filesize

    12.0MB

  • memory/2848-78-0x0000000000CB0000-0x00000000018A2000-memory.dmp

    Filesize

    11.9MB

  • memory/2848-82-0x000000007F3B0000-0x000000007F781000-memory.dmp

    Filesize

    3.8MB

  • memory/2848-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2848-0-0x0000000000CB0000-0x00000000018A2000-memory.dmp

    Filesize

    11.9MB

  • memory/2848-1-0x000000007F3B0000-0x000000007F781000-memory.dmp

    Filesize

    3.8MB

  • memory/3036-131-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/3036-133-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/4072-90-0x0000000000870000-0x0000000000D42000-memory.dmp

    Filesize

    4.8MB

  • memory/4072-89-0x0000000000871000-0x000000000089F000-memory.dmp

    Filesize

    184KB

  • memory/4072-88-0x0000000077654000-0x0000000077656000-memory.dmp

    Filesize

    8KB

  • memory/4072-92-0x00000000052C0000-0x00000000052C1000-memory.dmp

    Filesize

    4KB

  • memory/4072-83-0x0000000000870000-0x0000000000D42000-memory.dmp

    Filesize

    4.8MB

  • memory/4072-91-0x00000000052D0000-0x00000000052D1000-memory.dmp

    Filesize

    4KB

  • memory/4072-106-0x0000000000870000-0x0000000000D42000-memory.dmp

    Filesize

    4.8MB

  • memory/4940-141-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB

  • memory/4940-142-0x0000000000A80000-0x0000000000F52000-memory.dmp

    Filesize

    4.8MB