General

  • Target

    3076133e8a0b34270b598bc3413d052e716b87d4152efbfafa488a6798ae33f0

  • Size

    3.7MB

  • Sample

    220507-zljersebe8

  • MD5

    072c07215b4d2a9fd553c6bb2bd38e97

  • SHA1

    73e1f09f7109de23a91d5933088423940fc88157

  • SHA256

    3076133e8a0b34270b598bc3413d052e716b87d4152efbfafa488a6798ae33f0

  • SHA512

    192760ace17a732bc2a18ab0515495686f602e7925de6b4a7797dda2cbfb1ff45c36d87528617c110be392566c15f2b40a68aa584f2806d333597371d32adf3c

Malware Config

Targets

    • Target

      3076133e8a0b34270b598bc3413d052e716b87d4152efbfafa488a6798ae33f0

    • Size

      3.7MB

    • MD5

      072c07215b4d2a9fd553c6bb2bd38e97

    • SHA1

      73e1f09f7109de23a91d5933088423940fc88157

    • SHA256

      3076133e8a0b34270b598bc3413d052e716b87d4152efbfafa488a6798ae33f0

    • SHA512

      192760ace17a732bc2a18ab0515495686f602e7925de6b4a7797dda2cbfb1ff45c36d87528617c110be392566c15f2b40a68aa584f2806d333597371d32adf3c

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

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

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks