Resubmissions

16-08-2021 23:51

210816-brbk3bytl6 10

17-08-2021 08:50

210817-93dcp7bk4e

General

  • Target

    375C1FFE19F2FBA6FF5F32B4000CDEA4.exe

  • Size

    631KB

  • Sample

    210816-brbk3bytl6

  • MD5

    375c1ffe19f2fba6ff5f32b4000cdea4

  • SHA1

    2557bf9d890e4e0832fb03474657dae9c0037db3

  • SHA256

    b9f79bcb4c0ea9e939b35813e807fda308b7038f1dea613e7d8bbd7fe127ac84

  • SHA512

    63c504fe78a323e570bc56459f6081e33444e6ebd8b39e64c1b4019c6dd32ad3d9b603f3f0e72d42963f39f5a3e676d1b3a60bd251287266b494faf591206042

Malware Config

Extracted

Family

redline

Botnet

ww

C2

159.69.178.36:37556

Extracted

Family

redline

Botnet

dibild

C2

135.148.139.222:33569

Extracted

Family

redline

Botnet

ls4

C2

ighaisexel.xyz:80

Extracted

Family

redline

Botnet

forinstalls2

C2

77.220.213.35:52349

Extracted

Family

redline

Botnet

4

C2

213.166.68.170:16810

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

raccoon

Botnet

171b0ea0beebb33c2d9043b095edfe8ec188b323

Attributes
  • url4cnc

    https://telete.in/fihborntoflyes

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

40

Botnet

937

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family

redline

Botnet

@xmercuryx

C2

91.228.56.223:20793

Targets

    • Target

      375C1FFE19F2FBA6FF5F32B4000CDEA4.exe

    • Size

      631KB

    • MD5

      375c1ffe19f2fba6ff5f32b4000cdea4

    • SHA1

      2557bf9d890e4e0832fb03474657dae9c0037db3

    • SHA256

      b9f79bcb4c0ea9e939b35813e807fda308b7038f1dea613e7d8bbd7fe127ac84

    • SHA512

      63c504fe78a323e570bc56459f6081e33444e6ebd8b39e64c1b4019c6dd32ad3d9b603f3f0e72d42963f39f5a3e676d1b3a60bd251287266b494faf591206042

    • Glupteba

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

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon Stealer Payload

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

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

    • Nirsoft

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks