Overview

overview

10

Static

static

946a0aa660...90.exe

windows7-x64

10

946a0aa660...90.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    281s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • submitted
    31-07-2022 08:50

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General

  • Target

    946a0aa660c43bb7e89ee62b4a214741ee6fa33c5d47cccde4842483d2e9e490.exe

  • Size

    2.1MB

  • MD5

    b663be6e34606bdcf6f9037c087149d2

  • SHA1

    d54149390ba0b8c196772c2771a802bfaa980209

  • SHA256

    946a0aa660c43bb7e89ee62b4a214741ee6fa33c5d47cccde4842483d2e9e490

  • SHA512

    588e934a19f25ffee25ec2928332d2b575a02502e3f40414724e53bb0d414f0ad2affffec95929462b00bdbbd64332474c598ea88ac22a9d5bed0728629553f3

  • SSDEEP

    49152:yURBz01OdeAF79Xc/599Dm1p8JTKHKS8Fjm:yURBzgan9XcR7D881S8F

Score
10/10
cryptbotdiscoveryevasionspywarestealer

Malware Config

Extracted

Family

cryptbot

C2

myy01.top

Signatures

  • CryptBot

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

    spywarestealercryptbot
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    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 2 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\946a0aa660c43bb7e89ee62b4a214741ee6fa33c5d47cccde4842483d2e9e490.exe
    "C:\Users\Admin\AppData\Local\Temp\946a0aa660c43bb7e89ee62b4a214741ee6fa33c5d47cccde4842483d2e9e490.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:4088

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/4088-130-0x0000000000FD0000-0x0000000001497000-memory.dmp
    Filesize

    4.8MB

    Download
  • memory/4088-131-0x0000000077890000-0x0000000077A33000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/4088-132-0x0000000000FD0000-0x0000000001497000-memory.dmp
    Filesize

    4.8MB

    Download
  • memory/4088-133-0x0000000000FD0000-0x0000000001497000-memory.dmp
    Filesize

    4.8MB

    Download
  • memory/4088-134-0x0000000077890000-0x0000000077A33000-memory.dmp
    Filesize

    1.6MB

    Download