General

  • Target

    ISetup8.exe

  • Size

    451KB

  • Sample

    240428-3bcq1sbf79

  • MD5

    762256f7246e75a7537109d5371af60b

  • SHA1

    953a670596dc2ded2aa93b6a1e6e3332aadfd7af

  • SHA256

    e43b79bf105ec37a7cfff9ad84ea28a0320f1aeba4b47fa5ad119672f9b52acb

  • SHA512

    aeb4937d560d212046404788cbfe85fafb412736c6e487409c6cbca9827c4a127865f060acb6982f07b78411ceec8052d29f8bb893efe7c357640bd594c55b48

  • SSDEEP

    6144:+0HYlMeYOX8mE94DowCxV0jZVqmnvi1UVX1Zbt2S0gjaUH:+04lMXmQ4LCxWjZji1U/rhaUH

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      ISetup8.exe

    • Size

      451KB

    • MD5

      762256f7246e75a7537109d5371af60b

    • SHA1

      953a670596dc2ded2aa93b6a1e6e3332aadfd7af

    • SHA256

      e43b79bf105ec37a7cfff9ad84ea28a0320f1aeba4b47fa5ad119672f9b52acb

    • SHA512

      aeb4937d560d212046404788cbfe85fafb412736c6e487409c6cbca9827c4a127865f060acb6982f07b78411ceec8052d29f8bb893efe7c357640bd594c55b48

    • SSDEEP

      6144:+0HYlMeYOX8mE94DowCxV0jZVqmnvi1UVX1Zbt2S0gjaUH:+04lMXmQ4LCxWjZji1U/rhaUH

    • Detect ZGRat V1

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Zloader, Terdot, DELoader, ZeusSphinx

      Zloader is a malware strain that was initially discovered back in August 2015.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks