Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25/06/2022, 09:46

General

  • Target

    3bece5554377bee60ff9c9399b7b308ba40b7d42816f978a10855878c1e8791d.exe

  • Size

    2.2MB

  • MD5

    d6c02ccd0604474c4ed4e2c584c72a4c

  • SHA1

    9b85663c804269504d011d0a519c56325eebdbda

  • SHA256

    3bece5554377bee60ff9c9399b7b308ba40b7d42816f978a10855878c1e8791d

  • SHA512

    891bd505d9e0a4ab99bdc603a63867d5727effdceb45b3b3c8249754d276c2e65e3ef453f91b065dc0ef95fb3ed1f1b77edcda14fbe4c18bf06e1e94ee26d6b5

Malware Config

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). Likely ransomware behaviour.

  • 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\3bece5554377bee60ff9c9399b7b308ba40b7d42816f978a10855878c1e8791d.exe
    "C:\Users\Admin\AppData\Local\Temp\3bece5554377bee60ff9c9399b7b308ba40b7d42816f978a10855878c1e8791d.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:456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/456-130-0x0000000000060000-0x00000000005A4000-memory.dmp

    Filesize

    5.3MB

  • memory/456-131-0x0000000077C10000-0x0000000077DB3000-memory.dmp

    Filesize

    1.6MB

  • memory/456-132-0x0000000000060000-0x00000000005A4000-memory.dmp

    Filesize

    5.3MB

  • memory/456-133-0x0000000077C10000-0x0000000077DB3000-memory.dmp

    Filesize

    1.6MB

  • memory/456-134-0x0000000000060000-0x00000000005A4000-memory.dmp

    Filesize

    5.3MB