General

  • Target

    b29c4e8ad98d7eadce7bc60a429238f3.exe

  • Size

    138KB

  • Sample

    210828-hx4zkvpfan

  • MD5

    b29c4e8ad98d7eadce7bc60a429238f3

  • SHA1

    454cb598b5554c7002ac6162c020703d4cfe2669

  • SHA256

    c4d7602ccab54e9e281a304d7632dad3673df7afe33e5ca4bedcd64bc997f11b

  • SHA512

    2d724c0ad473517566d107b91179f632eafb17d96aa552eb88bd996d17fcc1a2e93112892b623ec4658ba9347527c3cb5bb18a720ac88141594375824693a326

Malware Config

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

redline

C2

185.215.113.29:8678

Extracted

Family

vidar

Version

40.1

Botnet

517

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

hello

C2

80.66.87.33:36976

Extracted

Family

amadey

Version

2.50

C2

185.215.113.206/k8FppT/index.php

Targets

    • Target

      b29c4e8ad98d7eadce7bc60a429238f3.exe

    • Size

      138KB

    • MD5

      b29c4e8ad98d7eadce7bc60a429238f3

    • SHA1

      454cb598b5554c7002ac6162c020703d4cfe2669

    • SHA256

      c4d7602ccab54e9e281a304d7632dad3673df7afe33e5ca4bedcd64bc997f11b

    • SHA512

      2d724c0ad473517566d107b91179f632eafb17d96aa552eb88bd996d17fcc1a2e93112892b623ec4658ba9347527c3cb5bb18a720ac88141594375824693a326

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks