Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15/06/2022, 17:12

General

  • Target

    288fbffb2e9d8a1143f48e3f31514f2f2b861ddb8382aa6da0f194286a653ad2.exe

  • Size

    2.2MB

  • MD5

    8bc20b347ee642f584ad75891a1d1444

  • SHA1

    61203cfd9c0037090f6dcdcdc228b22eda6b83c8

  • SHA256

    288fbffb2e9d8a1143f48e3f31514f2f2b861ddb8382aa6da0f194286a653ad2

  • SHA512

    2ae61090f1bb4f8e02f6d564085757cf3e2977fa7bdc436b415308f43d28e757a740a3f8238336c21bc530401f470f796660fca226e120ea53e601ee8b79c8f3

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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\288fbffb2e9d8a1143f48e3f31514f2f2b861ddb8382aa6da0f194286a653ad2.exe
    "C:\Users\Admin\AppData\Local\Temp\288fbffb2e9d8a1143f48e3f31514f2f2b861ddb8382aa6da0f194286a653ad2.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:1528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1528-54-0x0000000000030000-0x000000000057B000-memory.dmp

    Filesize

    5.3MB

  • memory/1528-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

    Filesize

    8KB

  • memory/1528-56-0x0000000077340000-0x00000000774C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1528-57-0x0000000000030000-0x000000000057B000-memory.dmp

    Filesize

    5.3MB

  • memory/1528-58-0x0000000074401000-0x0000000074403000-memory.dmp

    Filesize

    8KB

  • memory/1528-59-0x0000000000030000-0x000000000057B000-memory.dmp

    Filesize

    5.3MB

  • memory/1528-60-0x0000000077340000-0x00000000774C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1528-61-0x0000000074101000-0x0000000074103000-memory.dmp

    Filesize

    8KB

  • memory/1528-62-0x0000000000030000-0x000000000057B000-memory.dmp

    Filesize

    5.3MB

  • memory/1528-63-0x0000000073F91000-0x0000000073F93000-memory.dmp

    Filesize

    8KB

  • memory/1528-70-0x0000000073F71000-0x0000000073F73000-memory.dmp

    Filesize

    8KB