Overview

overview

10

Static

static

10

LB3.exe

windows10-ltsc_2021-x64

10

LB3.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    LB3.exe
  • Size 87KB
  • Sample260522-2v37msas9s
  • SHA256 0a1eb4dbe281ad9115aa909ba8cbe84eb7c8c06a5253b7fbea3a79d8d04edc63
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
blackmatterdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojan

Malware Config

Extracted

Family

  • blackmatter

Attributes
  • blacklisted_processes

    sql, oracle, ocssd, dbsnmp, synctime, agntsvc, isqlplussvc, xfssvccon, mydesktopservice, ocautoupds, encsvc, firefox, tbirdconfig, mydesktopqos, ocomm, dbeng50, sqbcoreservice, excel, msaccess, mspub, onenote, outlook, powerpnt, thebat, thunderbird, visio, winword, wordpad, notepad, bedbh, vxmon, benetns, bengien, pvlsvr, beserver, raw_agent_svc, vsnapvss, CagService, QBIDPService, QBDBMgrN, QBCFMonitorService, SAP, TeamViewer_Service.exe, TeamViewer.exe, tv_w32.exe, tv_x64.exe, CVMountd, cvd, cvfwd, CVODS, saphostexec, saposcol, sapstartsrv, avagent, avscc, DellSystemDetect, EnterpriseClient, VeeamNFSSvc, VeeamTransportSvc, VeeamDeploymentSvc

  • blacklisted_services

    vss, sql, sql$, mysql, mysql$, svc$, memtas, mepocs, sophos, veeam, backup, MSExchange, MSExchange$, WSBExchange, PDVFSService, BackupExecVSSProvider, BackupExecAgentAccelerator, BackupExecAgentBrowser, BackupExecDiveciMediaService, BackupExecJobEngine, BackupExecManagementService, BackupExecRPCService, GxBlr, GxVss, GxClMgrS, GxCVD, GxCIMgr, GXMMM, GxVssHWProv, GxFWD, SAPService, SAP, SAP$, SAPD$,SAPHostControl, SAPHostExec, QBCFMonitorService, QBDBMgrN, QBIDPService, AcronisAgent, VeeamNFSSvc, VeeamDeploymentService, VeeamTransportSvc, MVArmor, MVarmor64, VSNAPVSS, AcrSch2Svc

  • edr_processes

    carbonblack, crowdstrike, defender, symantec, mcafee, kaspersky, trendmicro

  • edr_services

    CarbonBlack, CrowdStrike, WinDefend, Symantec, McAfee, Kaspersky, TmCCSF

  • targeted_files_for_extract

    .doc, .pdf, .txt, .sql, .db, .csv, .xlsx, .pptx, .odt, .rtf, .md, .xml, .json, .yaml, .ini, .log, .htm, .html, .mdb, .accdb, .dbf, .sqlite, .sqlite3, .db3, .sqlitedb, .db2, .ldb, .mdf, .ldf, .btr, .cpt, .dc, .dbs, .fpt, .gdb, .index, .ism, .lck, .ma, .map, .mbd, .myd, .mydb, .ndf, .sql, .sdf, .tbd, .tbr, .tbl, .tdf, .vdf, .vdm, .vdmx, .vdx, .vdxx, .vfb, .vft, .vhd, .vhx, .vhz, .vmd, .vmdx, .vms, .vmx, .vnb, .vnd, .vnp, .vnt, .vnx, .vny, .voc, .vor, .vot, .voy, .vpf, .vpl, .vqf, .vsn, .vst, .vtd, .vtf, .vtp, .vtr, .vtx, .vui

  • text_message

    #Clowned ahahahahha

    >>> What happens?

    Your network is encrypted, and currently not operational.

    We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data.

    >>> What guarantees?

    We are not a politically motivated group and we do not need anything other than your money.

    If you pay, we will provide you the programs for decryption and we will delete your data.

    If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals.

    We always keep our promises.

    >>> How to contact with us?

    1. Download and install Telegram

    2. type in browser t.me/nigerxd

    >>> Warning! Recovery recommendations.

    We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

rsa.modulus

Extracted

Path

  • C:\Users\Admin\Downloads\READFORDECRYPTION.txt

Ransom Note
  • #Clowned ahahahahha >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >>> How to contact with us? 1. Download and install Telegram 2. type in browser t.me/nigerxd >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

Targets

    • Target
      LB3.exe
    • Size 87KB
    • SHA256 0a1eb4dbe281ad9115aa909ba8cbe84eb7c8c06a5253b7fbea3a79d8d04edc63
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojan

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      defense_evasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Stops running service(s)

      defense_evasionexecution

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Direct Volume Access

1
T1006

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

5
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Network Share Discovery

1
T1135

Peripheral Device Discovery

1
T1120

Query Registry

5
T1012

Remote System Discovery

1
T1018

System Information Discovery

5
T1082

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Service Stop

1
T1489

Tasks