Overview

overview

10

Static

static

CFDI_826271_53535.exe

windows7_x64

10

CFDI_826271_53535.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    CFDI_826271_26-01-2022.zip

  • Size

    771KB

  • Sample

    220713-g9glzaaheq

  • MD5

    40cfabe26ea0d257173b230c43666dc6

  • SHA1

    ade967270c2549bc2499f0247cf5811bc9168d37

  • SHA256

    ef781682e4a93247b663991423cb28c6c0111c21f80bc5c2c94a6d239808e446

  • SHA512

    b81eca57fa281bafc1fea09cad9edd24319f9e334011add4261ac7545e61d3d18cea36a5f8ea3cf47a4a17861fd95664bbdc063b01f6fbe28534861ae3d9f21c

Score
10/10
betabotbackdoorbotnetevasionpersistencesuricatatrojan

Malware Config

Targets

    • Target

      CFDI_826271_53535.exe

    • Size

      894KB

    • MD5

      f89a4c9d373e3c928bc405d56a496850

    • SHA1

      de58bf97363c74d83249df1ec2f1e9d62a2101d9

    • SHA256

      c040a2c32938707e1579fecce89e3c4fa04d019a467f642dd2bb18bab35bf99d

    • SHA512

      eb02dcd476e67db8ec0d9bfde5698967c657bbc6cb55973445c565cd10999772b8ba18ecacd85c36bb88ac81898a0d34f2509cf6e2a954c890ffc5c07421d514

    Score
    10/10
    betabotbackdoorbotnetevasionpersistencesuricatatrojan

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

      trojanbackdoorbotnetbetabot

    • Modifies firewall policy service

      evasion

    • suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

      suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

      suricata

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets file execution options in registry

      persistence

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Hidden Files and Directories

2
T1158

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

6
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks