Resubmissions

05-02-2024 02:04

240205-chqcksaaej 7

01-02-2024 16:15

240201-tqnx6ahec8 10

General

  • Target

    87545d25bd7ba1490287b40c178d3b75765457565caa7d27a801d8a2e21d5fd3

  • Size

    6.2MB

  • Sample

    240201-tqnx6ahec8

  • MD5

    2f3c9be60064deb5a63a27f1c4e50cc0

  • SHA1

    32e3dd4cfc7dc41072c9eee17c6bf2e1553802a4

  • SHA256

    87545d25bd7ba1490287b40c178d3b75765457565caa7d27a801d8a2e21d5fd3

  • SHA512

    6ccb95bdd98c765656e112fee20c88e7eeb745d82361c1ae5e1fa56a17e556e1be198058a3b99e5d43cd330f96fa3b5ac6da53d7b62f25dcfea26f4503dff61a

  • SSDEEP

    98304:lF8zNNrIkyFXuqSqYJebYimqjeL5UnG/xDrMBjrM9DVncLlw5gTeV0kJ7Hi:lF8IwvJeb5mHFt5m8a2EvM

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://185.215.113.68/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

LiveTraffic

C2

20.79.30.95:13856

Extracted

Family

redline

Botnet

Legaa

C2

185.172.128.33:38294

Targets

    • Target

      87545d25bd7ba1490287b40c178d3b75765457565caa7d27a801d8a2e21d5fd3

    • Size

      6.2MB

    • MD5

      2f3c9be60064deb5a63a27f1c4e50cc0

    • SHA1

      32e3dd4cfc7dc41072c9eee17c6bf2e1553802a4

    • SHA256

      87545d25bd7ba1490287b40c178d3b75765457565caa7d27a801d8a2e21d5fd3

    • SHA512

      6ccb95bdd98c765656e112fee20c88e7eeb745d82361c1ae5e1fa56a17e556e1be198058a3b99e5d43cd330f96fa3b5ac6da53d7b62f25dcfea26f4503dff61a

    • SSDEEP

      98304:lF8zNNrIkyFXuqSqYJebYimqjeL5UnG/xDrMBjrM9DVncLlw5gTeV0kJ7Hi:lF8IwvJeb5mHFt5m8a2EvM

    • Detect ZGRat V1

    • Detected google phishing page

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

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

Scheduled Task/Job

1
T1053

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

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

5
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Virtualization/Sandbox Evasion

1
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks