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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2024, 03:26

General

  • Target

    8ecc2865400936b90b568b433b1a32db48cb5d1236a6eac9aa597d47d51a171c.exe

  • Size

    1.8MB

  • MD5

    38c0597ee7add78c1459b241f8def047

  • SHA1

    17133c2cd24af67615ef98a4b1594378654137dd

  • SHA256

    8ecc2865400936b90b568b433b1a32db48cb5d1236a6eac9aa597d47d51a171c

  • SHA512

    4fc46476ad4a74c7e6d1affef8c2a7efcc60299a56c7cbd381bee1c7ec2a2589464ff08b459aaf418cb940450ab37557d9f51898ab12b3a53fedc02d2b60615c

  • SSDEEP

    49152:a6TxaFgP1RYrO2T5TFKOXRphXRMV23r3q:rAQ1arOqFKOhp5G83r

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 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 4 IoCs

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

  • 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\8ecc2865400936b90b568b433b1a32db48cb5d1236a6eac9aa597d47d51a171c.exe
    "C:\Users\Admin\AppData\Local\Temp\8ecc2865400936b90b568b433b1a32db48cb5d1236a6eac9aa597d47d51a171c.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 WriteProcessMemory
    PID:4668
    • 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:2736
      • C:\Users\Admin\AppData\Local\Temp\1000006001\4d594a3883.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\4d594a3883.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:3228
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GDBFHDHJKK.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3984
          • C:\Users\Admin\AppData\Local\Temp\GDBFHDHJKK.exe
            "C:\Users\Admin\AppData\Local\Temp\GDBFHDHJKK.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:4020
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCAECAKKFB.exe"
          4⤵
          • Checks computer location settings
          • Suspicious use of SetWindowsHookEx
          PID:2884
  • 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:1712
  • 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:1028

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\4d594a3883.exe

    Filesize

    2.4MB

    MD5

    97ddaf205149ee9833a9b79cbfa33e68

    SHA1

    1e7cf405e71f0585b6719b064ff48d00222a5e1a

    SHA256

    54f23a532632a9cdedbb727e94e34eda312f1e84f7d1910210f7548d97902798

    SHA512

    df02e7e0aa3b0ff4690b5a060e8a94fd7c0a2143627e4173ae975b49e9625bb1dd530b0de14efb64c6d53b2b2ba8c32eed0c82c3bed7227ab0f1443880101d2e

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

    Filesize

    1.8MB

    MD5

    38c0597ee7add78c1459b241f8def047

    SHA1

    17133c2cd24af67615ef98a4b1594378654137dd

    SHA256

    8ecc2865400936b90b568b433b1a32db48cb5d1236a6eac9aa597d47d51a171c

    SHA512

    4fc46476ad4a74c7e6d1affef8c2a7efcc60299a56c7cbd381bee1c7ec2a2589464ff08b459aaf418cb940450ab37557d9f51898ab12b3a53fedc02d2b60615c

  • memory/1028-133-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/1028-131-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/1712-123-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/1712-121-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-127-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-136-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-21-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-22-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-23-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-19-0x0000000000231000-0x000000000025F000-memory.dmp

    Filesize

    184KB

  • memory/2736-135-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-134-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-18-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-139-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-106-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-137-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-129-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-128-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-117-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-118-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-119-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-20-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-138-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-124-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-125-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/2736-126-0x0000000000230000-0x00000000006F2000-memory.dmp

    Filesize

    4.8MB

  • memory/3228-40-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3228-111-0x0000000000D80000-0x000000000196A000-memory.dmp

    Filesize

    11.9MB

  • memory/3228-39-0x0000000000D80000-0x000000000196A000-memory.dmp

    Filesize

    11.9MB

  • memory/4020-116-0x0000000000730000-0x0000000000BF2000-memory.dmp

    Filesize

    4.8MB

  • memory/4020-115-0x0000000000730000-0x0000000000BF2000-memory.dmp

    Filesize

    4.8MB

  • memory/4668-5-0x0000000000040000-0x0000000000502000-memory.dmp

    Filesize

    4.8MB

  • memory/4668-1-0x00000000774F4000-0x00000000774F6000-memory.dmp

    Filesize

    8KB

  • memory/4668-2-0x0000000000041000-0x000000000006F000-memory.dmp

    Filesize

    184KB

  • memory/4668-0-0x0000000000040000-0x0000000000502000-memory.dmp

    Filesize

    4.8MB

  • memory/4668-3-0x0000000000040000-0x0000000000502000-memory.dmp

    Filesize

    4.8MB

  • memory/4668-17-0x0000000000040000-0x0000000000502000-memory.dmp

    Filesize

    4.8MB