Overview

overview

10

Static

static

3

Loader.exe

windows10-1703-x64

10

Loader.exe

windows7-x64

10

Loader.exe

windows10-2004-x64

10

Loader.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Loader.exe

  • Size

    353KB

  • Sample

    240514-np5xdseb29

  • MD5

    da4a981460566d93b7c25f1527c5d321

  • SHA1

    ad0dc4e6192057d2f80b080741cdfea83c399a0b

  • SHA256

    fbfa20ca6337fbe8f71ebab5e3328af667b9e9f4ad56ec7669e502f19e4f6905

  • SHA512

    06d57ca29fb36c3c17f275485a69e58d3bb51a543f7dc96945122ad2108967a7995373ead8ce86eb9efc8131e1ae41dd2ac62cd02acb1933eac494e1ba1c6c93

  • SSDEEP

    6144:ujwCtJxxb+fFgfWNIQudUChHCDomqrnBTcqRVhh69NhSzN+9Im:ujwC/xxpONIFFHCDVqpcqpc9zZO

Score
10/10
xmrigzgratevasionexecutionminerpersistenceratspywarestealerupx

Malware Config

Targets

    • Target

      Loader.exe

    • Size

      353KB

    • MD5

      da4a981460566d93b7c25f1527c5d321

    • SHA1

      ad0dc4e6192057d2f80b080741cdfea83c399a0b

    • SHA256

      fbfa20ca6337fbe8f71ebab5e3328af667b9e9f4ad56ec7669e502f19e4f6905

    • SHA512

      06d57ca29fb36c3c17f275485a69e58d3bb51a543f7dc96945122ad2108967a7995373ead8ce86eb9efc8131e1ae41dd2ac62cd02acb1933eac494e1ba1c6c93

    • SSDEEP

      6144:ujwCtJxxb+fFgfWNIQudUChHCDomqrnBTcqRVhh69NhSzN+9Im:ujwC/xxpONIFFHCDVqpcqpc9zZO

    Score
    10/10
    xmrigzgratevasionexecutionminerpersistenceratspywarestealerupx

    • Detect ZGRat V1

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

    • xmrig

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

      minerxmrig

    • XMRig Miner payload

      miner

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Creates new service(s)

      persistenceexecution

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Stops running service(s)

      evasionexecution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Resource Development

Reconnaissance

Tasks