Overview

overview

10

Static

static

1.exe

windows7_x64

10

1.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    16-01-2021 19:33

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General

  • Target

    1.exe

  • Size

    2.2MB

  • MD5

    987a9a9e0d4bbad66a9b823b3f939bc1

  • SHA1

    b1e733fcf656d37326d12650406676903f10090a

  • SHA256

    15f2a0a15572b7e7d229f7c309f3f4599aa7404b18f020b1fdb8518e584a48fe

  • SHA512

    791fff5b437ab8ac856cdb70b366897e90695235ca73c06320f638957bf8c007e6aa5eba6fd34a883abcd2f0748822490b7716b301b22a388828731b2bab486d

Score
10/10
cryptbotdiscoveryevasionspywarestealer

Malware Config

Signatures

  • CryptBot

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

    spywarestealercryptbot
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • 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.

    evasion
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • 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:1904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1480-4-0x000007FEF7120000-0x000007FEF739A000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/1904-2-0x0000000004B40000-0x0000000004B51000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1904-3-0x0000000004F50000-0x0000000004F61000-memory.dmp
    Filesize

    68KB

    Download