Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-06-2024 21:51

General

  • Target

    209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd.exe

  • Size

    1.9MB

  • MD5

    bdd815f2c39b64071c5bad4abea96874

  • SHA1

    27131297c873f15f69d24574805e7673e6ab9a3c

  • SHA256

    209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd

  • SHA512

    7657c448865e356b3e9a39a1cfdb2c92fde1e3dcb3de1484bbc180603cda8b640fcdd4f707cbd9e9a844b32b8620dda440a1fee01524e2b4e52afc04492613d5

  • SSDEEP

    24576:iZ1QdtKewjMH7xKKv1dvoAF7aWJWGf+Kbjb30+Ifk3FX1D0/QcBO4kIXP+dmP:qReyMH7xTXnaWkubjb3jIaXcQcBO4xG

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 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.

  • 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 18 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd.exe
    "C:\Users\Admin\AppData\Local\Temp\209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd.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:2988
    • 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:4940
      • C:\Users\Admin\AppData\Local\Temp\1000006001\16504f2a13.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\16504f2a13.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:3216
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CGCFCBAKKF.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1048
          • C:\Users\Admin\AppData\Local\Temp\CGCFCBAKKF.exe
            "C:\Users\Admin\AppData\Local\Temp\CGCFCBAKKF.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:3232
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5100
          • C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe
            "C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.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:928
  • 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:2908
  • 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:2796
  • 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:4896

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

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
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\16504f2a13.exe
    Filesize

    2.4MB

    MD5

    745cf21edd5863358874e5378e2d4289

    SHA1

    48d7e75a8754d3fca69f594ca3d1169642402128

    SHA256

    b913c38a5576306a5c2fe644b0ec7e56d3b20fd2b7beef0a6f16e9bd7d14a12b

    SHA512

    c32df119e3068a31faad129610f6043bf37c42591430f3eb4a217d35d6e7d2a9bcb2acf41a21df690acd925e59de78e373f04dd2c5d1eb4c2c6702d522ad23df

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

    1.9MB

    MD5

    bdd815f2c39b64071c5bad4abea96874

    SHA1

    27131297c873f15f69d24574805e7673e6ab9a3c

    SHA256

    209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd

    SHA512

    7657c448865e356b3e9a39a1cfdb2c92fde1e3dcb3de1484bbc180603cda8b640fcdd4f707cbd9e9a844b32b8620dda440a1fee01524e2b4e52afc04492613d5

  • memory/928-121-0x0000000000FD0000-0x000000000149B000-memory.dmp
    Filesize

    4.8MB

  • memory/928-118-0x0000000000FD0000-0x000000000149B000-memory.dmp
    Filesize

    4.8MB

  • memory/2796-136-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/2796-137-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/2908-126-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/2908-124-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/2988-17-0x0000000000360000-0x000000000082B000-memory.dmp
    Filesize

    4.8MB

  • memory/2988-0-0x0000000000360000-0x000000000082B000-memory.dmp
    Filesize

    4.8MB

  • memory/2988-3-0x0000000000360000-0x000000000082B000-memory.dmp
    Filesize

    4.8MB

  • memory/2988-5-0x0000000000360000-0x000000000082B000-memory.dmp
    Filesize

    4.8MB

  • memory/2988-2-0x0000000000361000-0x000000000038F000-memory.dmp
    Filesize

    184KB

  • memory/2988-1-0x0000000077AF6000-0x0000000077AF8000-memory.dmp
    Filesize

    8KB

  • memory/3216-37-0x00000000002A0000-0x0000000000E8B000-memory.dmp
    Filesize

    11.9MB

  • memory/3216-112-0x00000000002A0000-0x0000000000E8B000-memory.dmp
    Filesize

    11.9MB

  • memory/3216-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/3232-114-0x0000000000080000-0x000000000054B000-memory.dmp
    Filesize

    4.8MB

  • memory/3232-122-0x0000000000080000-0x000000000054B000-memory.dmp
    Filesize

    4.8MB

  • memory/4896-145-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4896-146-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-21-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-127-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-128-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-129-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-130-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-131-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-132-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-133-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-134-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-104-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-20-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-138-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-139-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-140-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-141-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-142-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-143-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-19-0x0000000000FC1000-0x0000000000FEF000-memory.dmp
    Filesize

    184KB

  • memory/4940-18-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB

  • memory/4940-147-0x0000000000FC0000-0x000000000148B000-memory.dmp
    Filesize

    4.8MB