General

  • Target

    s.exe

  • Size

    4.8MB

  • Sample

    210928-tn15pscdep

  • MD5

    c04496520501bc6a3b3f0b7f5f875a32

  • SHA1

    49e280e408a6df27295abf3d504003cbceeb00d8

  • SHA256

    3b347a4641e8553c4ecbee8e6d86c32311cd9348d61eb55929aae076e82f96c3

  • SHA512

    de333be3cd173a96579e95410fe92b8a4e5976b80451601bcf300eb2f3405be91983edb83881dd7f1d02aef6c0a5cadc00850c0536b2254ad710808d5cf183eb

Malware Config

Targets

    • Target

      s.exe

    • Size

      4.8MB

    • MD5

      c04496520501bc6a3b3f0b7f5f875a32

    • SHA1

      49e280e408a6df27295abf3d504003cbceeb00d8

    • SHA256

      3b347a4641e8553c4ecbee8e6d86c32311cd9348d61eb55929aae076e82f96c3

    • SHA512

      de333be3cd173a96579e95410fe92b8a4e5976b80451601bcf300eb2f3405be91983edb83881dd7f1d02aef6c0a5cadc00850c0536b2254ad710808d5cf183eb

    • Echelon

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

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks