Overview

overview

10

Static

static

3

bb3fef72b4...58.exe

windows7-x64

10

bb3fef72b4...58.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bb3fef72b4a4d545d811fc2ce39c1058

  • Size

    218KB

  • Sample

    231222-rjqr3aagb7

  • MD5

    bb3fef72b4a4d545d811fc2ce39c1058

  • SHA1

    c428c1bfecba5a05296224c19d508fc683cf845b

  • SHA256

    de4a17447847b886fd65c9f9d45e1851c23c596c366021e1cacb8512b7481cde

  • SHA512

    f4e13bb524cade2981116a197889781dbbf86606d5f2803f16c8db9c9d2a1ef53200157ff12f35ddef39f827d766c19b244139543516016674baac6e1a5fda00

  • SSDEEP

    3072:EYjChxLReVBmcA51kKC2AYD5SdXuPuDezwDYT9Z9jPTsXDWcLsF2BAKJIX:EYjgxLR+B051kKklMb7THlQz7AK

Score
10/10
betabotsmokeloaderbackdoorbotnetevasionpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/
rc4.i32
rc4.i32

Targets

    • Target

      bb3fef72b4a4d545d811fc2ce39c1058

    • Size

      218KB

    • MD5

      bb3fef72b4a4d545d811fc2ce39c1058

    • SHA1

      c428c1bfecba5a05296224c19d508fc683cf845b

    • SHA256

      de4a17447847b886fd65c9f9d45e1851c23c596c366021e1cacb8512b7481cde

    • SHA512

      f4e13bb524cade2981116a197889781dbbf86606d5f2803f16c8db9c9d2a1ef53200157ff12f35ddef39f827d766c19b244139543516016674baac6e1a5fda00

    • SSDEEP

      3072:EYjChxLReVBmcA51kKC2AYD5SdXuPuDezwDYT9Z9jPTsXDWcLsF2BAKJIX:EYjgxLR+B051kKklMb7THlQz7AK

    Score
    10/10
    betabotsmokeloaderbackdoorbotnetevasionpersistencetrojan

    • BetaBot

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

      trojanbackdoorbotnetbetabot

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Disables taskbar notifications via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Sets file execution options in registry

      persistence

    • Sets service image path in registry

      persistence

    • Checks BIOS information in registry

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks for any installed AV software in registry

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

8
T1112

Credential Access

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Resource Development

Reconnaissance

Tasks