General

  • Target

    8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa

  • Size

    4.2MB

  • Sample

    220208-2wbtsagcen

  • MD5

    13613441b3b4e415ec3e0311c364fca9

  • SHA1

    679fdbccd74e0a27c0d42df7a787e1ab0cdfd2a1

  • SHA256

    8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa

  • SHA512

    0dad186e906cf0c0d6aa943e91f8de6ac864fc278397c986479c7441cbbd9177e8f0c7b9bab58a0d92a67231a7f596e89f89cf2789a829ed772f9fad3e01d12a

Malware Config

Targets

    • Target

      8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa

    • Size

      4.2MB

    • MD5

      13613441b3b4e415ec3e0311c364fca9

    • SHA1

      679fdbccd74e0a27c0d42df7a787e1ab0cdfd2a1

    • SHA256

      8e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa

    • SHA512

      0dad186e906cf0c0d6aa943e91f8de6ac864fc278397c986479c7441cbbd9177e8f0c7b9bab58a0d92a67231a7f596e89f89cf2789a829ed772f9fad3e01d12a

    • 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.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks