Overview

overview

10

Static

static

ivm31_protected.exe

windows7_x64

10

ivm31_protected.exe

windows10_x64

9

Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-01-2021 21:26

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General

  • Target

    ivm31_protected.exe

  • Size

    2.8MB

  • MD5

    2093bf0de6bc1a8763835f287b8784dc

  • SHA1

    a15bd81406d950f86120ae338125beb8e85923c4

  • SHA256

    0a429c131f5188ad77d4f453e5dbeca5f0e451c4dab3789fd2dce9467ba90b42

  • SHA512

    c86476e9c764921295eeed033217bf5e73cf508606b6f32968381da004828605dfb4c589abb712f46aa8b7648700bcdfa6699fdaf1d197c0d13ab68600213ed3

Score
10/10
cryptbotdiscoveryevasionspywarestealerthemidatrojan

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.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • 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
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ivm31_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\ivm31_protected.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious use of FindShellTrayWindow
    PID:1744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1724-3-0x000007FEF63D0000-0x000007FEF664A000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/1744-2-0x0000000000400000-0x0000000000AF7000-memory.dmp
    Filesize

    7.0MB

    Download