Overview

overview

10

Static

static

10

d4f38de003...eN.exe

windows7-x64

10

d4f38de003...eN.exe

windows10-2004-x64

10

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General

  • Target

    d4f38de003b66f392d524b5ad58c757d62c4156f73e6f00c5f8a977e1e295c6eN

  • Size

    9.7MB

  • Sample

    241021-lxnlzayhkb

  • MD5

    41891c6c8200e3450b9c393b75e95260

  • SHA1

    be8cb2b9adce1b9aa2b686248b9246ae4ae75429

  • SHA256

    d4f38de003b66f392d524b5ad58c757d62c4156f73e6f00c5f8a977e1e295c6e

  • SHA512

    8d2df8e5bb920d0390487b97eac409c48a8f72586ff3191fa2009d1736df818691a219be8a9017504b3e65b3748f88de6d23e7565775d7f027e318de42f1d8c1

  • SSDEEP

    196608:7po1mknGzwHdOgEPHd9BbX/nivPlTXTYe:agjz0E57/iv1

Score
10/10
mimikatzxmrigcredential_accessdiscoveryevasionexecutionminerpersistenceprivilege_escalationupx

Malware Config

Targets

    • Target

      d4f38de003b66f392d524b5ad58c757d62c4156f73e6f00c5f8a977e1e295c6eN

    • Size

      9.7MB

    • MD5

      41891c6c8200e3450b9c393b75e95260

    • SHA1

      be8cb2b9adce1b9aa2b686248b9246ae4ae75429

    • SHA256

      d4f38de003b66f392d524b5ad58c757d62c4156f73e6f00c5f8a977e1e295c6e

    • SHA512

      8d2df8e5bb920d0390487b97eac409c48a8f72586ff3191fa2009d1736df818691a219be8a9017504b3e65b3748f88de6d23e7565775d7f027e318de42f1d8c1

    • SSDEEP

      196608:7po1mknGzwHdOgEPHd9BbX/nivPlTXTYe:agjz0E57/iv1

    Score
    10/10
    mimikatzxmrigcredential_accessdiscoveryevasionexecutionminerpersistenceprivilege_escalationupx

    • 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 (11713) amount of remote hosts

      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

    • Modifies Windows Firewall

      evasion

    • 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

    • Creates a large amount of network flows

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

      discovery

    • 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

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

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