Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15/06/2022, 03:42

General

  • Target

    2b00c0864eccb817d739f103457d19345d76ef3995bc030b311b04ef25759b20.exe

  • Size

    2.4MB

  • MD5

    2d644aad7dd959cbbe94988325f9ec32

  • SHA1

    835910e3060a24c539f11efa7c3c8e7fc8190eaf

  • SHA256

    2b00c0864eccb817d739f103457d19345d76ef3995bc030b311b04ef25759b20

  • SHA512

    6fb5ccc33675ba8dee27c44982290d1f68ce4c26d87df30087fc2ac7c04b0969d498ca5cb00fec58b84ce833eba4748020cf114a9949954a1e96c2ed3be781c8

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\2b00c0864eccb817d739f103457d19345d76ef3995bc030b311b04ef25759b20.exe
    "C:\Users\Admin\AppData\Local\Temp\2b00c0864eccb817d739f103457d19345d76ef3995bc030b311b04ef25759b20.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:2176

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2176-130-0x0000000000EB0000-0x0000000001445000-memory.dmp

    Filesize

    5.6MB

  • memory/2176-131-0x0000000076F10000-0x00000000770B3000-memory.dmp

    Filesize

    1.6MB

  • memory/2176-132-0x0000000000EB0000-0x0000000001445000-memory.dmp

    Filesize

    5.6MB

  • memory/2176-133-0x0000000000EB0000-0x0000000001445000-memory.dmp

    Filesize

    5.6MB

  • memory/2176-134-0x0000000076F10000-0x00000000770B3000-memory.dmp

    Filesize

    1.6MB

  • memory/2176-135-0x0000000000EB0000-0x0000000001445000-memory.dmp

    Filesize

    5.6MB