Overview

overview

10

Static

static

10

4f8ad08ebc...34.exe

windows7-x64

10

4f8ad08ebc...34.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f8ad08ebce9783e772d3456f6f5a9066f2b11d2de977184e9e5c8dbe5832034

  • Size

    6.3MB

  • Sample

    241015-1gefpasfkl

  • MD5

    da1c1e77aaa6c692b84704041db369b1

  • SHA1

    44b4ddb7eda059689b50bc0c153d50738613359d

  • SHA256

    4f8ad08ebce9783e772d3456f6f5a9066f2b11d2de977184e9e5c8dbe5832034

  • SHA512

    36e404ab94165a3fdcad3a336fb9c1db4b3edfc3dcf7ab6b9889ce930806878ffedb23f7608e16156f9b4593f94b2976a746f689f4bde45f3f961e9a5d43d866

  • SSDEEP

    98304:IaAXTBJYaEmknGzZr+HaOKSVPFtmOZ9G1j5v/nZVnivsAl0oroSCa:IpXTYFmknGzwHaOtVPHd90X/nivPlS

Score
10/10
blackmoonmimikatzxmrigbankercredential_accessdefense_evasiondiscoveryevasionexecutionminerpersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      4f8ad08ebce9783e772d3456f6f5a9066f2b11d2de977184e9e5c8dbe5832034

    • Size

      6.3MB

    • MD5

      da1c1e77aaa6c692b84704041db369b1

    • SHA1

      44b4ddb7eda059689b50bc0c153d50738613359d

    • SHA256

      4f8ad08ebce9783e772d3456f6f5a9066f2b11d2de977184e9e5c8dbe5832034

    • SHA512

      36e404ab94165a3fdcad3a336fb9c1db4b3edfc3dcf7ab6b9889ce930806878ffedb23f7608e16156f9b4593f94b2976a746f689f4bde45f3f961e9a5d43d866

    • SSDEEP

      98304:IaAXTBJYaEmknGzZr+HaOKSVPFtmOZ9G1j5v/nZVnivsAl0oroSCa:IpXTYFmknGzwHaOtVPHd90X/nivPlS

    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 (48782) 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

    • 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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks