General

  • Target

    afa1a1360224b51648fe7c1cb3233199f0c9c41605d0a7107dfc050ec4d6c733.zip

  • Size

    1.3MB

  • Sample

    231119-z4f3csce4x

  • MD5

    9cc0c0799d4121edf15f1b95b6f27d1c

  • SHA1

    e138913ffae59f51e9cce939c33dbc27618b98c7

  • SHA256

    e46d1f4197504d15f4c64b15672815829b6803b8016459c99892083fc3bc8792

  • SHA512

    43b9cdffca73ed3aab8fe54496badbab0c5e76bd87cf99b4bc70cb8a98e31150ba4e32e99c7717eab957545c4577a7ed54fb8f094a999cd44cc9db45376717d9

  • SSDEEP

    24576:jEZJx3KFMF79qJQmnwK1V/XMrCoRSOSFRE+RvAZP+RgcX+TECpnQTH8HbhDAB:jEZJxamt9qMK1V/LTOSFRE+R2PYXSpVM

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

redline

Botnet

pixelfresh

C2

194.49.94.11:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

194.169.175.235:42691

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      afa1a1360224b51648fe7c1cb3233199f0c9c41605d0a7107dfc050ec4d6c733.exe

    • Size

      1.4MB

    • MD5

      06545d2660b4542598943edb73268b27

    • SHA1

      2bf583ca949eba1c5dbf7a3b0e2a44c2a7e00331

    • SHA256

      afa1a1360224b51648fe7c1cb3233199f0c9c41605d0a7107dfc050ec4d6c733

    • SHA512

      9f7f846cb10b52522891a4687d4114c7dda01fba82a8e11fd4b7169c779e5ac8a222617c1af9bd9936108e43db5426b17b74e100a224a97abd2c7a63c61d3646

    • SSDEEP

      24576:9y0J89DmUCFLBO4Z5MghMbXTeaIs4qnGKNkDglwQlpkOv4iM/v+yK:YPlmUCdZ5T+jeh/UGjDQlpk13+

    • Detect Mystic stealer payload

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • RedLine payload

    • SectopRAT

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

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Detected potential entity reuse from brand paypal.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

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

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

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Impact

Service Stop

1
T1489

Tasks