Resubmissions

17-09-2021 05:07

210917-fsd9vahfgj 10

16-09-2021 21:19

210916-z553waedb5 10

16-09-2021 21:10

210916-zz1k7sedb4 10

General

  • Target

    setup_x86_x64_install.exe

  • Size

    6.5MB

  • Sample

    210916-zz1k7sedb4

  • MD5

    064f0d6900675bed580da1291a566cfa

  • SHA1

    f81699a68c901d190842de735dbda28a3fb52292

  • SHA256

    7ec88d4baa0a97362a026cf6e0f46422379a99be6d9bfe19034152f3d47cc0ed

  • SHA512

    41dc5c444afd6b5dc0947cf9950acb5aa1081ee9921c748195325b5cfcb23532cea1802959baa59a0c41ed998ba20b509ec107da882d5d8b3bf0b1d17f892738

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

redline

Botnet

medianew

C2

91.121.67.60:62102

Extracted

Family

redline

Botnet

matthew14

C2

193.188.21.209:41939

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      6.5MB

    • MD5

      064f0d6900675bed580da1291a566cfa

    • SHA1

      f81699a68c901d190842de735dbda28a3fb52292

    • SHA256

      7ec88d4baa0a97362a026cf6e0f46422379a99be6d9bfe19034152f3d47cc0ed

    • SHA512

      41dc5c444afd6b5dc0947cf9950acb5aa1081ee9921c748195325b5cfcb23532cea1802959baa59a0c41ed998ba20b509ec107da882d5d8b3bf0b1d17f892738

    • 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.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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.

    • 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.

    • 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

    • Suspicious use of SetThreadContext

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

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks