Overview

overview

9

Static

static

e741ba051f...7a.exe

windows7_x64

9

e741ba051f...7a.exe

windows10-2004_x64

9

Analysis

  • max time kernel
    46s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 05:13

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General

  • Target

    e741ba051fa60462cac39be6fe4b2f410717648da7c057fab5493eb89465917a.exe

  • Size

    2.6MB

  • MD5

    12beea0d938081923ae7d4a518e92529

  • SHA1

    26bf7680167e2d3b5487a097929db81152972738

  • SHA256

    e741ba051fa60462cac39be6fe4b2f410717648da7c057fab5493eb89465917a

  • SHA512

    7da7486502f198be1793d59b6d922d1ee6402b49e9069404a7681e274708c0a0e44656edfa3f9961c8d93c3fd146ad03327056152dc016e8b700df135d4257e4

Score
9/10
bootkitevasionpersistencetrojan

Malware Config

Signatures

  • 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
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e741ba051fa60462cac39be6fe4b2f410717648da7c057fab5493eb89465917a.exe
    "C:\Users\Admin\AppData\Local\Temp\e741ba051fa60462cac39be6fe4b2f410717648da7c057fab5493eb89465917a.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1792

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1792-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1792-56-0x00000000778F0000-0x0000000077A70000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/1792-57-0x0000000001270000-0x00000000018FC000-memory.dmp
    Filesize

    6.5MB

    Download
  • memory/1792-58-0x0000000001270000-0x00000000018FC000-memory.dmp
    Filesize

    6.5MB

    Download
  • memory/1792-59-0x0000000007945000-0x0000000007956000-memory.dmp
    Filesize

    68KB

    Download