Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14/07/2022, 02:47

General

  • Target
    488461f9de8fa79a1747ce7ad7e21735b9a311d380b020d69f62772325214535.exe
  • Size 1.8MB
  • Sample220714-c989rsdbg8
  • SHA256 488461f9de8fa79a1747ce7ad7e21735b9a311d380b020d69f62772325214535
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • cryptbot

C2
  • jugzsh72.top

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • 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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\488461f9de8fa79a1747ce7ad7e21735b9a311d380b020d69f62772325214535.exe
    "C:\Users\Admin\AppData\Local\Temp\488461f9de8fa79a1747ce7ad7e21735b9a311d380b020d69f62772325214535.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4688

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4688-130-0x0000000000400000-0x00000000005AD000-memory.dmp

        memory/4688-131-0x0000000000400000-0x00000000005AD000-memory.dmp

        memory/4688-132-0x0000000000180000-0x00000000001BF000-memory.dmp

        memory/4688-133-0x0000000000400000-0x00000000005AD000-memory.dmp

        memory/4688-134-0x00000000025B0000-0x00000000025F7000-memory.dmp

        memory/4688-140-0x0000000000400000-0x00000000005AD000-memory.dmp

        memory/4688-141-0x0000000000180000-0x00000000001BF000-memory.dmp

        memory/4688-142-0x0000000000400000-0x00000000005AD000-memory.dmp