Overview

overview

10

Static

static

7

file.bin.exe

windows7_x64

10

file.bin.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    12-01-2022 14:39

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General

  • Target

    file.bin.exe

  • Size

    2.6MB

  • MD5

    801e7993452aba2a57ecc6258323a42f

  • SHA1

    269b38bc8080210f48c7418c80950d5e510e53fe

  • SHA256

    8a5f6619791694385d6e684913ce6bb67351aa45c0f8e11e47c4856dbc57fae9

  • SHA512

    cf311410d38f2d3b821b7a48616b36a1729f1448fc8137eaa4e71ad511a0dd34460132f3512534420a436fef8c95b63ee5458d194e3295fa3824ef1f2aed10bc

Score
10/10
cryptbotdiscoveryevasionspywarestealerthemidatrojan

Malware Config

Extracted

Family

cryptbot

C2

kotbri22.top

moruzj02.top
Attributes
  • payload_url

    http://okavor03.top/download.php?file=acaboa.exe

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 4 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
  • 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\file.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\file.bin.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:552

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/552-117-0x0000000000030000-0x0000000000716000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/552-118-0x0000000000030000-0x0000000000716000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/552-119-0x00000000772B0000-0x000000007743E000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/552-120-0x0000000000030000-0x0000000000716000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/552-121-0x0000000000030000-0x0000000000716000-memory.dmp
    Filesize

    6.9MB

    Download