Overview

overview

10

Static

static

3

684bcee9dc...77.exe

windows7-x64

10

684bcee9dc...77.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377

  • Size

    311KB

  • Sample

    240119-wr4q4sbbfr

  • MD5

    6842403982c36b6c450fde3035eb7043

  • SHA1

    d40806e8623b10811703aadf27d5b055da6e98a5

  • SHA256

    684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377

  • SHA512

    2d10d7bb85475a86f85019228a88cebf0da92ed5cb24102facbb34a875f3666d0ebf0783b1db1b996f2087feb672f337e91cb72c8b899c632496344a42e4ab37

  • SSDEEP

    3072:uQLPli/LX0eRJibugxk++1iyvoBgDym4BV9JxNcdOOQVmRZ+pfTK7KVDrc+B5f2B:uQLPwkvB+iIoBoSVPW3ofTgYn79oUq

Score
10/10
betabotsmokeloaderup3backdoorbotnetevasionpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/
rc4.i32
rc4.i32

Targets

    • Target

      684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377

    • Size

      311KB

    • MD5

      6842403982c36b6c450fde3035eb7043

    • SHA1

      d40806e8623b10811703aadf27d5b055da6e98a5

    • SHA256

      684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377

    • SHA512

      2d10d7bb85475a86f85019228a88cebf0da92ed5cb24102facbb34a875f3666d0ebf0783b1db1b996f2087feb672f337e91cb72c8b899c632496344a42e4ab37

    • SSDEEP

      3072:uQLPli/LX0eRJibugxk++1iyvoBgDym4BV9JxNcdOOQVmRZ+pfTK7KVDrc+B5f2B:uQLPwkvB+iIoBoSVPW3ofTgYn79oUq

    Score
    10/10
    betabotsmokeloaderup3backdoorbotnetevasionpersistencetrojan

    • 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.

    • Checks computer location settings

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

    • 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

6
T1012

System Information Discovery

7
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