Analysis

  • max time kernel
    156s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25/06/2022, 09:48

General

  • Target

    e697032121e7de781f045c52db959bf8c8297d556ddf280c51a91e4049abd387.exe

  • Size

    2.2MB

  • MD5

    d1cb4f929e3550e74225a483b00ccd51

  • SHA1

    5fbbd071a6372c62f2632e10e5e875ea55796b0a

  • SHA256

    e697032121e7de781f045c52db959bf8c8297d556ddf280c51a91e4049abd387

  • SHA512

    a8ecc9dfd12c342826dea42caa62c1dc63e5ff0acdce388b3bac4966685cf488bc97ae30bd229e43c2011c582ea15a26c95bf7792786dd87dd639f74d7105b10

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\e697032121e7de781f045c52db959bf8c8297d556ddf280c51a91e4049abd387.exe
    "C:\Users\Admin\AppData\Local\Temp\e697032121e7de781f045c52db959bf8c8297d556ddf280c51a91e4049abd387.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:5080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5080-130-0x0000000000B60000-0x00000000010B3000-memory.dmp

    Filesize

    5.3MB

  • memory/5080-131-0x0000000077730000-0x00000000778D3000-memory.dmp

    Filesize

    1.6MB

  • memory/5080-132-0x0000000000B60000-0x00000000010B3000-memory.dmp

    Filesize

    5.3MB

  • memory/5080-133-0x0000000000B60000-0x00000000010B3000-memory.dmp

    Filesize

    5.3MB

  • memory/5080-134-0x0000000077730000-0x00000000778D3000-memory.dmp

    Filesize

    1.6MB

  • memory/5080-135-0x0000000000B60000-0x00000000010B3000-memory.dmp

    Filesize

    5.3MB