General

  • Target

    3a61e234ba93ea14a976c3664d0d5bd922c15f34365f139a0e7644ed983a4f5b

  • Size

    3.9MB

  • Sample

    220525-am8nlsgfhr

  • MD5

    ed97eae657fb64e41b66be70ef77c9a9

  • SHA1

    04e771a749ce2a593130b7e5663fa2a85157e9a0

  • SHA256

    3a61e234ba93ea14a976c3664d0d5bd922c15f34365f139a0e7644ed983a4f5b

  • SHA512

    339563dc9ab3a92e3c253e1be1acb25af982e9783519bbb50f3f260f1cd6e79d71aff855d47fa523318b720bdece4db3e61ce68132155eb9bf75b7045dac74ab

Malware Config

Targets

    • Target

      3a61e234ba93ea14a976c3664d0d5bd922c15f34365f139a0e7644ed983a4f5b

    • Size

      3.9MB

    • MD5

      ed97eae657fb64e41b66be70ef77c9a9

    • SHA1

      04e771a749ce2a593130b7e5663fa2a85157e9a0

    • SHA256

      3a61e234ba93ea14a976c3664d0d5bd922c15f34365f139a0e7644ed983a4f5b

    • SHA512

      339563dc9ab3a92e3c253e1be1acb25af982e9783519bbb50f3f260f1cd6e79d71aff855d47fa523318b720bdece4db3e61ce68132155eb9bf75b7045dac74ab

    • 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