General

  • Target

    666b5db1f0816eebf1ce57db45e2b794964a8525703aff99ab641ddf528cc0da

  • Size

    398KB

  • Sample

    240417-q87lfacc2w

  • MD5

    80ed2ba902f81245754fd51e10993191

  • SHA1

    744d9c9f66859423bb49ed764453e97cda0a793e

  • SHA256

    666b5db1f0816eebf1ce57db45e2b794964a8525703aff99ab641ddf528cc0da

  • SHA512

    2f1c2130e9abd4fd19312c78c8a08bf117ce5196dd50f33550cc98af671787bfae825e5ef476ea29dd0e8f74bb24ddbbe01c777292d43bc2e5de91bacd3a8237

  • SSDEEP

    6144:Ta/EeAczUH3+WX8ZFZ0Cdb3/4/+/2fTEAuLLwfXCfVyPzVnz3cTxPhnShaVzUNrz:TwADHuWX8ZpKS2ADfwvEEr1jUP1ShwLW

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      612300066252c3151883d30f69a9b287c323a4a484a35ca553c5a73d3f7d0cfc.exe

    • Size

      424KB

    • MD5

      7660d1df7575e664c8f11be23a924bba

    • SHA1

      22a6592b490e2ef908f7ecacb7cad34256bdd216

    • SHA256

      612300066252c3151883d30f69a9b287c323a4a484a35ca553c5a73d3f7d0cfc

    • SHA512

      77c22370eaed5e096a476778d24c26fcd0105d56419bbd1a5af125028dea702aa8537017629920de08f9b7c20d3b9242606e37ace3e456d34730d0e54f20c15e

    • SSDEEP

      12288:ryWjrJS5FchtDO/V4Cqi0RlYZTRjzg2AYU:ryoJ8KhtDgVfJLTRjs2AYU

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies firewall policy service

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • 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

    • 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

    • UPX packed file

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

    • 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.

    • Drops Chrome extension

    • 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

    • Looks up external IP address via web service

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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks