General

  • Target

    ChromeSetup.exe

  • Size

    115.7MB

  • Sample

    240624-pxaxnawdmn

  • MD5

    189b6f3dc23fdc53fee9524aa0de85b7

  • SHA1

    7649ee6aaf0ca975a0bba53f62bd8c61a86001e1

  • SHA256

    5c42e2b7fd62d578188f40c70bd3d51e324342f668b2fa29f9d2381f44dab769

  • SHA512

    eca75309cedf65adab6026d460f195c21671246f6c2cf6969e8e3132a3f92805c428eae656eff66c0d8be1162c4f90d0808cbb3bf94297fc15efec129c976322

  • SSDEEP

    3145728:5O0uB/L29NTR7IKF4IcAl61Y/XtSFosm+VxDZL2C8RFuui:XY/YNTdF4xK61Y/WJAjR8d

Malware Config

Targets

    • Target

      ChromeSetup.exe

    • Size

      115.7MB

    • MD5

      189b6f3dc23fdc53fee9524aa0de85b7

    • SHA1

      7649ee6aaf0ca975a0bba53f62bd8c61a86001e1

    • SHA256

      5c42e2b7fd62d578188f40c70bd3d51e324342f668b2fa29f9d2381f44dab769

    • SHA512

      eca75309cedf65adab6026d460f195c21671246f6c2cf6969e8e3132a3f92805c428eae656eff66c0d8be1162c4f90d0808cbb3bf94297fc15efec129c976322

    • SSDEEP

      3145728:5O0uB/L29NTR7IKF4IcAl61Y/XtSFosm+VxDZL2C8RFuui:XY/YNTdF4xK61Y/WJAjR8d

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • 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.

    • 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

    • Enumerates connected drives

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

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

System Information Discovery

9
T1082

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks