Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 05:53

General

  • Target
    06f6cc643322c6aeb67a9dd822af4ecb_JaffaCakes118.exe
  • Size 2.2MB
  • Sample240429-gljrescb33
  • SHA256 581753565ad2d4426742ee961f3b4445c4bff72058e403688016cde173c98485
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • bube01.info

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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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
  • Suspicious use of FindShellTrayWindow 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06f6cc643322c6aeb67a9dd822af4ecb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\06f6cc643322c6aeb67a9dd822af4ecb_JaffaCakes118.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
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    PID:1672

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        6Ng6fodTBU7ek.zip

        • Path C:\ProgramData\ntGNgMdT7\6Ng6fodTBU7ek.zip
        • Size 262KB
        • SHA256 8a68575d8f9feef682865d417cb89f6583cd7eeed1379bea3ee54ebee64ebf47
        • MD5 SHA1 SHA512 SSDEEP

        _Info.txt

        • Path C:\ProgramData\ntGNgMdT7\Files\_Info.txt
        • Size 2KB
        • SHA256 6e84b0a76f4a3a8045b33b165d03f609a86718e01389d15f7a5d82a2d20df8b6
        • MD5 SHA1 SHA512

        _Info.txt

        • Path C:\ProgramData\ntGNgMdT7\Files\_Info.txt
        • Size 8KB
        • SHA256 cbfe5c4e859862e2b5f25b41722d302dd759ea6dd8e8289f13c8212f10d21d80
        • MD5 SHA1 SHA512 SSDEEP

        memory/1672-17-0x0000000004D40000-0x0000000004D41000-memory.dmp

        memory/1672-158-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-13-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-19-0x0000000004D00000-0x0000000004D01000-memory.dmp

        memory/1672-18-0x0000000004D20000-0x0000000004D21000-memory.dmp

        memory/1672-0-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-16-0x0000000004D50000-0x0000000004D51000-memory.dmp

        memory/1672-15-0x0000000004D10000-0x0000000004D11000-memory.dmp

        memory/1672-22-0x0000000004D80000-0x0000000004D81000-memory.dmp

        memory/1672-23-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-2-0x0000000004D30000-0x0000000004D31000-memory.dmp

        memory/1672-139-0x0000000004D70000-0x0000000004D71000-memory.dmp

        memory/1672-138-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-3-0x0000000004D60000-0x0000000004D61000-memory.dmp

        memory/1672-4-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

        memory/1672-152-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-150-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-155-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-1-0x0000000077E84000-0x0000000077E86000-memory.dmp

        memory/1672-151-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-161-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-162-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-164-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-166-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-168-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-169-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-171-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-173-0x0000000000940000-0x0000000000E75000-memory.dmp

        memory/1672-175-0x0000000000940000-0x0000000000E75000-memory.dmp