Overview

overview

10

Static

static

3

toolspub2.exe

windows7-x64

10

toolspub2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    toolspub2.exe

  • Size

    255KB

  • Sample

    240116-btrjcabdf2

  • MD5

    981b36d1cfeefa91f3ef5332922cdd8d

  • SHA1

    b8a6b27e011a503755c6df2501039edb82b092aa

  • SHA256

    461f0f86f52bfa5fbed84023d0a9c8652bcbca34fea76ad0cb5bb8c503b65c9a

  • SHA512

    e0932850586027a24b8d8d7a3fbbaf4fc466a89cc4382ca1fb31847b5c201df3855f31e7208c577cc7907e5af0792abff0092941774cf3b4a27256440ba0d7c2

  • SSDEEP

    3072:2lrJL/wx7/zm4XobcY66bIjWMHGZ4jnz2fbqbzx5h+4Wy601:23L/wxf9Y6mIjN/nmI+4W1

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

      toolspub2.exe

    • Size

      255KB

    • MD5

      981b36d1cfeefa91f3ef5332922cdd8d

    • SHA1

      b8a6b27e011a503755c6df2501039edb82b092aa

    • SHA256

      461f0f86f52bfa5fbed84023d0a9c8652bcbca34fea76ad0cb5bb8c503b65c9a

    • SHA512

      e0932850586027a24b8d8d7a3fbbaf4fc466a89cc4382ca1fb31847b5c201df3855f31e7208c577cc7907e5af0792abff0092941774cf3b4a27256440ba0d7c2

    • SSDEEP

      3072:2lrJL/wx7/zm4XobcY66bIjWMHGZ4jnz2fbqbzx5h+4Wy601:23L/wxf9Y6mIjN/nmI+4W1

    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