Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16/06/2022, 06:44

General

  • Target

    26f42f847dc83f38ec94713afe7cc03c6ba1359ed4e6c3f943ab5b1a58c41c88.exe

  • Size

    2.1MB

  • MD5

    ff21050ae501a8c1130c0f40a19fa660

  • SHA1

    922db25eb9c9672db0b8414db7cb30245bf36c80

  • SHA256

    26f42f847dc83f38ec94713afe7cc03c6ba1359ed4e6c3f943ab5b1a58c41c88

  • SHA512

    a9d296b1867cce5769841aab7b7ba4d7eb87616b06a1a5cd1f12733df7040c9d45a05f0f0bae1a37003171cdda1e5b66f1f65094e60af55ee4f915c0f97636c6

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 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26f42f847dc83f38ec94713afe7cc03c6ba1359ed4e6c3f943ab5b1a58c41c88.exe
    "C:\Users\Admin\AppData\Local\Temp\26f42f847dc83f38ec94713afe7cc03c6ba1359ed4e6c3f943ab5b1a58c41c88.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:1596

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1596-54-0x0000000075E31000-0x0000000075E33000-memory.dmp

    Filesize

    8KB

  • memory/1596-55-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/1596-56-0x0000000077CD0000-0x0000000077E50000-memory.dmp

    Filesize

    1.5MB

  • memory/1596-57-0x0000000000400000-0x00000000008FD000-memory.dmp

    Filesize

    5.0MB

  • memory/1596-58-0x0000000074961000-0x0000000074963000-memory.dmp

    Filesize

    8KB