Overview

overview

10

Static

static

10

bfb512fc63...b3.exe

windows7-x64

10

bfb512fc63...b3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bfb512fc6367110bfd2e54207db8830d37f9a63bbec8b2f46ce17b799a8156b3

  • Size

    7.5MB

  • Sample

    241023-d8rh1ayhja

  • MD5

    a7106b7adab3daaa7281706f5b8c63ac

  • SHA1

    51f4668b3a44d17c5f6a4af50d7ddab4027b0dd5

  • SHA256

    bfb512fc6367110bfd2e54207db8830d37f9a63bbec8b2f46ce17b799a8156b3

  • SHA512

    cdf32945c2d1790dbfd145395a95baae4ba2ab4d176e4845d8f88ae8fa9ed68e50640666ee459e3c291e0ce12f23bf82ccf6b537e1dfc65474a8532fa936e79f

  • SSDEEP

    98304:T/WXTBJYaVmknGzZr+H3O5SEPFtmOb9G1u5v/nZVnivsAl0kroSCa:KXTYimknGzwH3OgEPH39JX/nivPli

Score
10/10
blackmoonmimikatzxmrigbankercredential_accessdefense_evasiondiscoveryevasionexecutionminerpersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      bfb512fc6367110bfd2e54207db8830d37f9a63bbec8b2f46ce17b799a8156b3

    • Size

      7.5MB

    • MD5

      a7106b7adab3daaa7281706f5b8c63ac

    • SHA1

      51f4668b3a44d17c5f6a4af50d7ddab4027b0dd5

    • SHA256

      bfb512fc6367110bfd2e54207db8830d37f9a63bbec8b2f46ce17b799a8156b3

    • SHA512

      cdf32945c2d1790dbfd145395a95baae4ba2ab4d176e4845d8f88ae8fa9ed68e50640666ee459e3c291e0ce12f23bf82ccf6b537e1dfc65474a8532fa936e79f

    • SSDEEP

      98304:T/WXTBJYaVmknGzZr+H3O5SEPFtmOb9G1u5v/nZVnivsAl0kroSCa:KXTYimknGzwH3OgEPH39JX/nivPli

    Score
    10/10
    blackmoonmimikatzxmrigbankercredential_accessdefense_evasiondiscoveryevasionexecutionminerpersistenceprivilege_escalationtrojanupx

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

      trojanbankerblackmoon

    • Detect Blackmoon payload

    • Disables service(s)

      evasionexecution

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

      mimikatz

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • Contacts a large (25326) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • OS Credential Dumping: LSASS Memory

      Malicious access to Credentials History.

      credential_access

    • XMRig Miner payload

      miner

    • mimikatz is an open source tool to dump credentials on Windows

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Indicator Removal: Clear Persistence

      remove IFEO.

      defense_evasion

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Creates a Windows Service

      persistence

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Indicator Removal

1
T1070

Clear Persistence

1
T1070.009

Modify Registry

1
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

OS Credential Dumping

1
T1003

LSASS Memory

1
T1003.001

Discovery

Network Service Discovery

2
T1046

Network Share Discovery

1
T1135

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks