General

  • Target

    19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980.exe

  • Size

    784KB

  • Sample

    210624-s8xy6bxh3a

  • MD5

    fcff182cb8fed42e720a19ed5b997e5a

  • SHA1

    73f95a618c8659acf1ca63bdc9fdf24f72cb27be

  • SHA256

    19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980

  • SHA512

    b0d74845b3020a547347ef2a11a26a6512a50cf56da54d2fec602661bf7edfde33c09457e7a049c66b035a3b765dc48ddebfc9a89c0f43d572f9779c1be15404

Malware Config

Extracted

Family

redline

Botnet

111111322

C2

verecalina.xyz:80

Extracted

Family

vidar

Version

39.4

Botnet

909

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    909

Targets

    • Target

      19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980.exe

    • Size

      784KB

    • MD5

      fcff182cb8fed42e720a19ed5b997e5a

    • SHA1

      73f95a618c8659acf1ca63bdc9fdf24f72cb27be

    • SHA256

      19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980

    • SHA512

      b0d74845b3020a547347ef2a11a26a6512a50cf56da54d2fec602661bf7edfde33c09457e7a049c66b035a3b765dc48ddebfc9a89c0f43d572f9779c1be15404

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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.

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

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

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Tasks