Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2024, 10:18

General

  • Target
    3a1f52a8a804c7e166306fe52c0c5c3c_JaffaCakes118.exe
  • Size 2.5MB
  • Sample240330-mccveadb8v
  • SHA256 333d71dfa2d5a1ca408086e22e80ef0d198dbf563ffa4da95bca8d9972cdf8fc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • befixc63.top

  • morwix06.top

Attributes
  • payload_url

    http://minles08.top/download.php?file=lv.exe

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 20 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a1f52a8a804c7e166306fe52c0c5c3c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3a1f52a8a804c7e166306fe52c0c5c3c_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4716

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ASBoKGmGjeQeR.zip

        • Path C:\Users\Admin\AppData\Local\Temp\XmWDCYDXJs\ASBoKGmGjeQeR.zip
        • Size 47KB
        • SHA256 f014f48b5f8ca5f544985a727ced8759db04ee8ee0de4c962fc4064d13d8bc90
        • MD5 SHA1 SHA512 SSDEEP

        _Information.txt

        • Path C:\Users\Admin\AppData\Local\Temp\XmWDCYDXJs\_Files\_Information.txt
        • Size 7KB
        • SHA256 fe78d835a899d64a0d591ed0c0e3a40bef7134523e52b50d9c25dc0cbd4d98e8
        • MD5 SHA1 SHA512 SSDEEP

        _Screen_Desktop.jpeg

        • Path C:\Users\Admin\AppData\Local\Temp\XmWDCYDXJs\_Files\_Screen_Desktop.jpeg
        • Size 53KB
        • SHA256 65efae2d8a8e9eb89c35264223e8388d73c2c12ca69cd76d8c98d7ca49fc637c
        • MD5 SHA1 SHA512 SSDEEP

        memory/4716-123-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-129-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-5-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-3-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-2-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-115-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-1-0x00000000773B4000-0x00000000773B6000-memory.dmp

        memory/4716-119-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-120-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-0-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-126-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-4-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-132-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-135-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-139-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-142-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-145-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-148-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-151-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-154-0x00000000006E0000-0x0000000000D68000-memory.dmp

        memory/4716-158-0x00000000006E0000-0x0000000000D68000-memory.dmp