Resubmissions

14-05-2024 13:28

240514-qq1eeahc99 10

14-05-2024 13:25

240514-qpascsha31 8

General

  • Target

    https://cdn.discordapp.com/attachments/1234488074650517647/1239037173655797860/Solara_Updater.exe?ex=664419ca&is=6642c84a&hm=92b335a2c826cb9e50e90c4fa1d356a618e67acd8c9d421409f4f51996b5030d&

  • Sample

    240514-qq1eeahc99

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1234488074650517647/1239037173655797860/Solara_Updater.exe?ex=664419ca&is=6642c84a&hm=92b335a2c826cb9e50e90c4fa1d356a618e67acd8c9d421409f4f51996b5030d&

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • 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.

    • Registers COM server for autorun

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Browser Extensions

1
T1176

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Defense Evasion

Modify Registry

6
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks