Analysis

  • max time kernel
    144s
  • max time network
    132s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12-07-2024 02:06

General

  • Target

    1b6722f558bf4483253663180682caec67066261bc0414d12d6e1622cb848d80.exe

  • Size

    2.4MB

  • MD5

    b5f67083e086299287f0dfb2a7bef96e

  • SHA1

    dccf58d99cd7153859d1ad5a1c3f7e348e2ebbb7

  • SHA256

    1b6722f558bf4483253663180682caec67066261bc0414d12d6e1622cb848d80

  • SHA512

    55c4f5d435a1a27e6c8e14c88e454da4dc2398076f4596a6f983184831db0119c58be9c82b8ddf5ef37265b65b5cea56e5963c871b2be0f8e88064224681d654

  • SSDEEP

    49152:EEKU59C+b8stxJK8rWjiw8+gz7RGkV6ladMPlgFUfEIb017XKzyB6su:DKktejS+wtJYlaGIsOKzyEs

Malware Config

Extracted

Family

stealc

Botnet

hate

C2

http://85.28.47.30

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 4 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 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 6 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 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b6722f558bf4483253663180682caec67066261bc0414d12d6e1622cb848d80.exe
    "C:\Users\Admin\AppData\Local\Temp\1b6722f558bf4483253663180682caec67066261bc0414d12d6e1622cb848d80.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:3776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BGIJJKKJJD.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Users\Admin\AppData\Local\Temp\BGIJJKKJJD.exe
        "C:\Users\Admin\AppData\Local\Temp\BGIJJKKJJD.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:4600
        • 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:3368
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IJECBGIJDG.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2820
  • 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:4148
  • 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:5072

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\BGIJJKKJJD.exe

    Filesize

    1.8MB

    MD5

    7eac58c3aac017b11c5a2a99ae66c51a

    SHA1

    570339f867e074afb6f0238ca2152a50356647e1

    SHA256

    5b7c5538d46b65c20287b12f35f75d4f62e7d9e9188490b24892c96724d652b2

    SHA512

    d99289c3746bb2d429d80c6d6757b44f125980a8b461c8d5716d4e49acb2fee1c0c4a94ff66b9a1c90b21d7d23e767201ecb6282288b0b2f068e912942729769

  • memory/3368-100-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-98-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-108-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-107-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-106-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-115-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-94-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-114-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-97-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-109-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-99-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-105-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-113-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3368-104-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/3776-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3776-0-0x00000000008F0000-0x00000000014D1000-memory.dmp

    Filesize

    11.9MB

  • memory/3776-1-0x000000007EB30000-0x000000007EF01000-memory.dmp

    Filesize

    3.8MB

  • memory/3776-78-0x000000007EB30000-0x000000007EF01000-memory.dmp

    Filesize

    3.8MB

  • memory/3776-77-0x00000000008F0000-0x00000000014D1000-memory.dmp

    Filesize

    11.9MB

  • memory/4148-103-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/4148-102-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/4600-96-0x0000000000410000-0x00000000008C4000-memory.dmp

    Filesize

    4.7MB

  • memory/4600-82-0x0000000000410000-0x00000000008C4000-memory.dmp

    Filesize

    4.7MB

  • memory/5072-111-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB

  • memory/5072-112-0x0000000000A90000-0x0000000000F44000-memory.dmp

    Filesize

    4.7MB