General

  • Target

    d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3

  • Size

    2.4MB

  • Sample

    220320-cexbqaeeh2

  • MD5

    2ce52a25ec3c74b4a0608e8d0fdec0ff

  • SHA1

    d60c64e1333c214db1b37b3d706e10bbc794c3af

  • SHA256

    d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3

  • SHA512

    9d90b5b6b2b599b791ee938786879cd27fb491878316292fa0e15d34d62060fd717a49bcbc2aa0079d74af053cb452cb82c83f535ce8cc0e871ca1e776fa8397

Malware Config

Targets

    • Target

      d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3

    • Size

      2.4MB

    • MD5

      2ce52a25ec3c74b4a0608e8d0fdec0ff

    • SHA1

      d60c64e1333c214db1b37b3d706e10bbc794c3af

    • SHA256

      d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3

    • SHA512

      9d90b5b6b2b599b791ee938786879cd27fb491878316292fa0e15d34d62060fd717a49bcbc2aa0079d74af053cb452cb82c83f535ce8cc0e871ca1e776fa8397

    • 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