Overview

overview

10

Static

static

10

bbbe43ebd3...7c.exe

windows7-x64

10

bbbe43ebd3...7c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bbbe43ebd36d08fafee93df3460c4b1f28b260f5dfa525a2486d50b0e69ad47c.exe

  • Size

    9.2MB

  • Sample

    241115-smnybavpgw

  • MD5

    a5e4bba72c378a9e27d1933eee650bbc

  • SHA1

    0227bb44b954ba431f566ea09481af091197dec2

  • SHA256

    bbbe43ebd36d08fafee93df3460c4b1f28b260f5dfa525a2486d50b0e69ad47c

  • SHA512

    ce33241e168e693ebc28f154a6bfe48ad7ce33077a2df664b91b45f4b130347a9b421c0c79ca518c33ed64e3ea859e2069a53ff099f5206670dd59d6f3c6abc0

  • SSDEEP

    98304:YmBtyYXmknGzZr+HdO5SEPFtmOZ9G1Md5v/nZVnivsAl0eXTBJYa5roSCaah:I6mknGzwHdOgEPHd9BbX/nivPlTXTYrj

Score
10/10
mimikatzxmrigcredential_accessdiscoveryevasionexecutionminerpersistenceprivilege_escalationupx

Malware Config

Targets

    • Target

      bbbe43ebd36d08fafee93df3460c4b1f28b260f5dfa525a2486d50b0e69ad47c.exe

    • Size

      9.2MB

    • MD5

      a5e4bba72c378a9e27d1933eee650bbc

    • SHA1

      0227bb44b954ba431f566ea09481af091197dec2

    • SHA256

      bbbe43ebd36d08fafee93df3460c4b1f28b260f5dfa525a2486d50b0e69ad47c

    • SHA512

      ce33241e168e693ebc28f154a6bfe48ad7ce33077a2df664b91b45f4b130347a9b421c0c79ca518c33ed64e3ea859e2069a53ff099f5206670dd59d6f3c6abc0

    • SSDEEP

      98304:YmBtyYXmknGzZr+HdO5SEPFtmOZ9G1Md5v/nZVnivsAl0eXTBJYa5roSCaah:I6mknGzwHdOgEPHd9BbX/nivPlTXTYrj

    Score
    10/10
    mimikatzxmrigcredential_accessdiscoveryevasionexecutionminerpersistenceprivilege_escalationupx

    • Disables service(s)

      evasionexecution

    • Mimikatz

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

      mimikatz

    • Mimikatz family

      mimikatz

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

      xmrig

    • xmrig

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

      minerxmrig

    • 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

    • Contacts a large (1102) amount of remote hosts

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

      discovery

    • 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