Analysis

  • max time kernel
    294s
  • max time network
    267s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-07-2024 05:03

General

  • Target

    54f23a532632a9cdedbb727e94e34eda312f1e84f7d1910210f7548d97902798.exe

  • Size

    2.4MB

  • MD5

    97ddaf205149ee9833a9b79cbfa33e68

  • SHA1

    1e7cf405e71f0585b6719b064ff48d00222a5e1a

  • SHA256

    54f23a532632a9cdedbb727e94e34eda312f1e84f7d1910210f7548d97902798

  • SHA512

    df02e7e0aa3b0ff4690b5a060e8a94fd7c0a2143627e4173ae975b49e9625bb1dd530b0de14efb64c6d53b2b2ba8c32eed0c82c3bed7227ab0f1443880101d2e

  • SSDEEP

    49152:Xkoj+GCMyRFvj6NIOx4ahO6+azIJL9N8P8VIJT+481icMV317u:UxGNyEVw6+aE9gP64g2J

Malware Config

Extracted

Family

stealc

Botnet

default

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 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 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54f23a532632a9cdedbb727e94e34eda312f1e84f7d1910210f7548d97902798.exe
    "C:\Users\Admin\AppData\Local\Temp\54f23a532632a9cdedbb727e94e34eda312f1e84f7d1910210f7548d97902798.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KEGCBKKJDH.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3076
      • C:\Users\Admin\AppData\Local\Temp\KEGCBKKJDH.exe
        "C:\Users\Admin\AppData\Local\Temp\KEGCBKKJDH.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
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4768
        • 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
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          PID:5016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EBKJDBAAKJ.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4904
  • 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:5104
  • 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:1836
  • 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:1476
  • 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:1620
  • 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:3888

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:\Users\Admin\AppData\Local\Temp\KEGCBKKJDH.exe
    Filesize

    1.8MB

    MD5

    a7323bcf0df71286fa3156cefb8e3049

    SHA1

    e9dd309d06cd5f9bff60fc4dc914fe9672193c61

    SHA256

    486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96

    SHA512

    9143e73a9ccc52305c8c43a0397f8f47caeaf8a1953a96cf962890bf9757b5a9bb03e3b169612f8e7011757d20698662ae3f18a375c6baf380c792c4e27e6ae1

  • \ProgramData\mozglue.dll
    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll
    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/804-67-0x0000000001340000-0x0000000001F2A000-memory.dmp
    Filesize

    11.9MB

  • memory/804-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/804-68-0x000000007F070000-0x000000007F441000-memory.dmp
    Filesize

    3.8MB

  • memory/804-1-0x000000007F070000-0x000000007F441000-memory.dmp
    Filesize

    3.8MB

  • memory/804-0-0x0000000001340000-0x0000000001F2A000-memory.dmp
    Filesize

    11.9MB

  • memory/1476-104-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/1620-113-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/1836-95-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/1836-96-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/3888-122-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/4768-72-0x00000000010B0000-0x0000000001567000-memory.dmp
    Filesize

    4.7MB

  • memory/4768-82-0x00000000010B0000-0x0000000001567000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-110-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-107-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-92-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-93-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-90-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-89-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-97-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-98-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-99-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-100-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-101-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-102-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-88-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-105-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-106-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-91-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-108-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-109-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-126-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-125-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-114-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-115-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-116-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-117-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-118-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-119-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-83-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-123-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5016-124-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5104-85-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB

  • memory/5104-87-0x0000000000A80000-0x0000000000F37000-memory.dmp
    Filesize

    4.7MB