General

  • Target

    5637ABA8FA47476F92DEB742B91A2099.exe

  • Size

    2.6MB

  • Sample

    210715-9ln2bqeass

  • MD5

    5637aba8fa47476f92deb742b91a2099

  • SHA1

    bb5c7c656b0e162a3d62e9742218f12dfcd2d61a

  • SHA256

    3065fb0aa4e0c395a18ba4c45e69282cc3eff4d95809a1ae6dcd51e48c2b9811

  • SHA512

    727622d4a0a17e10901db8b0f833a5d5cf67a1fefb2600b378dd4d5b2766403017c179cf2f7ab53f5b6e282353c789a82149ffeb0e369295d97814c65f7e7d94

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

933

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.6

Botnet

865

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    865

Extracted

Family

vidar

Version

39.6

Botnet

903

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    903

Extracted

Family

redline

Botnet

BOZENKA_1

C2

86.106.181.209:58703

Extracted

Family

redline

Botnet

sel13

C2

dwarimlari.xyz:80

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

fickerstealer

C2

195.133.40.204:80

Targets

    • Target

      5637ABA8FA47476F92DEB742B91A2099.exe

    • Size

      2.6MB

    • MD5

      5637aba8fa47476f92deb742b91a2099

    • SHA1

      bb5c7c656b0e162a3d62e9742218f12dfcd2d61a

    • SHA256

      3065fb0aa4e0c395a18ba4c45e69282cc3eff4d95809a1ae6dcd51e48c2b9811

    • SHA512

      727622d4a0a17e10901db8b0f833a5d5cf67a1fefb2600b378dd4d5b2766403017c179cf2f7ab53f5b6e282353c789a82149ffeb0e369295d97814c65f7e7d94

    • Fickerstealer

      Ficker is an infostealer written in Rust and ASM.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • 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.

    • Drops file in System32 directory

    • 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

Registry Run Keys / Startup Folder

1
T1060

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

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

5
T1005

Command and Control

Web Service

1
T1102

Tasks