General

  • Target

    b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e

  • Size

    2.4MB

  • Sample

    220319-3vjnnscdep

  • MD5

    00b6ffe300f9e53ecf04c746cc21009c

  • SHA1

    533949203f4a9376defe1d7b1fffbaf9e04fcca8

  • SHA256

    b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e

  • SHA512

    b599f10372d67fd9b84c47dd13053937384d834dbf9ed5fe0fb60e180c42b5dab61ef7768fc9e6380ae9ddea7c40fb22d18ae0a75bd9afe474323bc9c140eca2

Malware Config

Targets

    • Target

      b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e

    • Size

      2.4MB

    • MD5

      00b6ffe300f9e53ecf04c746cc21009c

    • SHA1

      533949203f4a9376defe1d7b1fffbaf9e04fcca8

    • SHA256

      b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e

    • SHA512

      b599f10372d67fd9b84c47dd13053937384d834dbf9ed5fe0fb60e180c42b5dab61ef7768fc9e6380ae9ddea7c40fb22d18ae0a75bd9afe474323bc9c140eca2

    • Echelon

      Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

    • Echelon log file

      Detects a log file produced by Echelon.

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

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks