General

  • Target

    index.html

  • Size

    17KB

  • Sample

    240705-f3k55swcpc

  • MD5

    73910f79003c6ad35e51ef50bc291536

  • SHA1

    f7dcc26b33d612e4d5508b6c2e26baacf08847cb

  • SHA256

    002af24c9a4a4409e615a21da2cbfa8326de58a1647b3860ae7de7cc5fcd2d95

  • SHA512

    bb1472aa5ab574cbc5d0debdc366119bd01897e34718fed48c48f89014e57dc228089a87420795da219ac80c0dde7c92a80a1c89146d6cf57cc2351ae8edffca

  • SSDEEP

    192:7alU99RqaJ3l+rhjmd3I1+g23MNJuqhTIQ:ZzJ3l+U3IND5

Malware Config

Targets

    • Target

      index.html

    • Size

      17KB

    • MD5

      73910f79003c6ad35e51ef50bc291536

    • SHA1

      f7dcc26b33d612e4d5508b6c2e26baacf08847cb

    • SHA256

      002af24c9a4a4409e615a21da2cbfa8326de58a1647b3860ae7de7cc5fcd2d95

    • SHA512

      bb1472aa5ab574cbc5d0debdc366119bd01897e34718fed48c48f89014e57dc228089a87420795da219ac80c0dde7c92a80a1c89146d6cf57cc2351ae8edffca

    • SSDEEP

      192:7alU99RqaJ3l+rhjmd3I1+g23MNJuqhTIQ:ZzJ3l+U3IND5

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detects Eternity stealer

    • Eternity

      Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

    • Modifies Windows Defender Real-time Protection settings

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

1
T1546

Component Object Model Hijacking

1
T1546.015

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks