Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25/06/2022, 03:03

General

  • Target

    581753565ad2d4426742ee961f3b4445c4bff72058e403688016cde173c98485.exe

  • Size

    2.2MB

  • MD5

    06f6cc643322c6aeb67a9dd822af4ecb

  • SHA1

    25d6a0750b0d8a008a1c5ec7945289df0e844e07

  • SHA256

    581753565ad2d4426742ee961f3b4445c4bff72058e403688016cde173c98485

  • SHA512

    e9588a7f0cf51bed0f7053b75186d6f207e67613747ecbc3902875da8cb6ec758147723f78a21a74c6900b707e51c5500b6b9c0276faa5a7d50334d63a222ae6

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\581753565ad2d4426742ee961f3b4445c4bff72058e403688016cde173c98485.exe
    "C:\Users\Admin\AppData\Local\Temp\581753565ad2d4426742ee961f3b4445c4bff72058e403688016cde173c98485.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:4468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4468-130-0x0000000000D20000-0x0000000001255000-memory.dmp

    Filesize

    5.2MB

  • memory/4468-131-0x0000000077310000-0x00000000774B3000-memory.dmp

    Filesize

    1.6MB

  • memory/4468-132-0x0000000000D20000-0x0000000001255000-memory.dmp

    Filesize

    5.2MB

  • memory/4468-133-0x0000000000D20000-0x0000000001255000-memory.dmp

    Filesize

    5.2MB

  • memory/4468-134-0x0000000077310000-0x00000000774B3000-memory.dmp

    Filesize

    1.6MB

  • memory/4468-135-0x0000000000D20000-0x0000000001255000-memory.dmp

    Filesize

    5.2MB