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Overview

overview

10

Static

static

3

loader.exe

windows10-2004-x64

9

loader.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    loader.exe

  • Size

    14.4MB

  • Sample

    240905-nl78cazhlf

  • MD5

    0b36da64b85e5abae7a93017d46dcce1

  • SHA1

    40506f88be2a8f9fc03083f8d934b58fe22c3ae5

  • SHA256

    0ca594179661c1ec0c7ec592be1995a14e2b0d13d0bd7a3420cb49e6254d2903

  • SHA512

    a0a8fbb2127451ae7c776fff5e2d26d1d8e035527010f7f91a2904a76edfcaa054bf5becddc29fbe98e49bd211f8ae1f94c884e8e92c9b62984313cf843d9572

  • SSDEEP

    196608:tzElGkSaXkbEzeMeHJJ4u/RVyjwnx4YpXNzP0nreN:5ElGbFbEzVO4u/Rg9YTzF

Score
10/10
credential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target

      loader.exe

    • Size

      14.4MB

    • MD5

      0b36da64b85e5abae7a93017d46dcce1

    • SHA1

      40506f88be2a8f9fc03083f8d934b58fe22c3ae5

    • SHA256

      0ca594179661c1ec0c7ec592be1995a14e2b0d13d0bd7a3420cb49e6254d2903

    • SHA512

      a0a8fbb2127451ae7c776fff5e2d26d1d8e035527010f7f91a2904a76edfcaa054bf5becddc29fbe98e49bd211f8ae1f94c884e8e92c9b62984313cf843d9572

    • SSDEEP

      196608:tzElGkSaXkbEzeMeHJJ4u/RVyjwnx4YpXNzP0nreN:5ElGbFbEzVO4u/Rg9YTzF

    Score
    10/10
    credential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerevasion

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

      evasionexecution

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

      defense_evasion

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Indicator Removal

1
T1070

Clear Windows Event Logs

1
T1070.001

Modify Registry

1
T1112

Obfuscated Files or Information

1
T1027

Command Obfuscation

1
T1027.010

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Service Stop

1
T1489

Tasks