Overview

overview

10

Static

static

10

31cba611df...2e.exe

windows7-x64

10

31cba611df...2e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    31cba611dfa3fd35adc442007c43bb9ed7271e8a8146e16349642628b9f2662e

  • Size

    6.9MB

  • Sample

    240823-x7n62avbkm

  • MD5

    105c7764946c4b5808d986b91e9ad697

  • SHA1

    df75e78ee9f9a216b1e8b72f905595d23178f6a9

  • SHA256

    31cba611dfa3fd35adc442007c43bb9ed7271e8a8146e16349642628b9f2662e

  • SHA512

    b3c44d46b8ba5295d2204cde6809bb4d54f46698412b9ac1606dd04eae2f4a2d33ddac73b284e9b99517eefe670b9ffd661edd33bb0700ba676a0ef2c39a514b

  • SSDEEP

    98304:spKXTBJYasmknGzZr+H5OfS7PFtmOb9G1r5v/nZVnivsAl0troSCa:nXTYpmknGzwH5OK7PH39kX/nivPlb

Score
10/10
blackmoonmimikatzxmrigbankercredential_accessdefense_evasiondiscoveryevasionexecutionminerpersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      31cba611dfa3fd35adc442007c43bb9ed7271e8a8146e16349642628b9f2662e

    • Size

      6.9MB

    • MD5

      105c7764946c4b5808d986b91e9ad697

    • SHA1

      df75e78ee9f9a216b1e8b72f905595d23178f6a9

    • SHA256

      31cba611dfa3fd35adc442007c43bb9ed7271e8a8146e16349642628b9f2662e

    • SHA512

      b3c44d46b8ba5295d2204cde6809bb4d54f46698412b9ac1606dd04eae2f4a2d33ddac73b284e9b99517eefe670b9ffd661edd33bb0700ba676a0ef2c39a514b

    • SSDEEP

      98304:spKXTBJYasmknGzZr+H5OfS7PFtmOb9G1r5v/nZVnivsAl0troSCa:nXTYpmknGzwH5OK7PH39kX/nivPlb

    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 (27642) 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

    • UPX packed file

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

      upx

    • 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

    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

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
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