General

  • Target

    f3b0179ba1f2f60ea88c4f14c4e7a829.bin

  • Size

    2.4MB

  • Sample

    231230-cvyvgsbedr

  • MD5

    fe15867e6a3c6a4391c4c49129806ba5

  • SHA1

    849e89db4dbe6f2c7ae8627467c3dc95ac6f9514

  • SHA256

    a7f088a1cd622d248cd2904ba001c8d5eb9ee90db7fe6d043414bd513a6b0275

  • SHA512

    9abb6f9225f333800bbb3186e0ab65fb946ae7fe635593aaa4012c4beaa58db7f8a5eb903a669aa4821699bf83d5774148739bd7c76813cd787487c6aaa0709e

  • SSDEEP

    49152:SCkrvSQjhIE/hL5HT4JwTUNjsBC8uOr69eaytSlfhXEZXcVlbeZyDoys5I:WbSAhPFTymDGevafhIc373sC

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://185.215.113.68/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

LiveTraffic

C2

20.79.30.95:13856

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

777

C2

195.20.16.103:20440

Extracted

Family

stealc

C2

http://5.42.66.57

Attributes
  • url_path

    /3886d2276f6914c4.php

rc4.plain

Targets

    • Target

      b35413142e0ffa56479335bb15a37fa10c531034b0bb137f5643969a0ae76b3a.exe

    • Size

      2.5MB

    • MD5

      f3b0179ba1f2f60ea88c4f14c4e7a829

    • SHA1

      cada0b63415bfdafac480da21742d673a6f1d359

    • SHA256

      b35413142e0ffa56479335bb15a37fa10c531034b0bb137f5643969a0ae76b3a

    • SHA512

      fd4f6e6eec6e565435c7fd7d6e5f79d7f59cca0e9ef068f370c65b270d5d4fa034b0990ecb8fb4427ee58ff5048b88130c2b80002e7d63a15c0b4aec2d342303

    • SSDEEP

      49152:VkJD9VUS2v2/czNA6XgbuzDUyjYFb1nbuZvaMba5A7e0JSkJsGdLtFprqRbFFjfr:y9ESLEzNA6XAycRpuwiPBOGdZGxFFrJh

    • Detect Lumma Stealer payload V4

    • Detect ZGRat V1

    • Detected google phishing page

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

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

1
T1547

Registry Run Keys / Startup Folder

1
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

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

File and Directory Permissions Modification

1
T1222

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

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks