General

  • Target

    9080bc4976e84352e150192b485256e801d9c62a6675bf564b226c8ce95eba93

  • Size

    2.4MB

  • Sample

    220319-xy5sesgegm

  • MD5

    a5f9185372c30dca4d5f921f3a8a67cf

  • SHA1

    593d14be593f1b6b6e7c969f5130147e7735a7d2

  • SHA256

    9080bc4976e84352e150192b485256e801d9c62a6675bf564b226c8ce95eba93

  • SHA512

    f6f99b3bf1f20fa5f30d778016d1b2245f89f826957db083e98570038a4d0c7fde57f84f326ece15a0855c1af797a3feb28901a1deb887e802113483ed8d3029

Malware Config

Targets

    • Target

      9080bc4976e84352e150192b485256e801d9c62a6675bf564b226c8ce95eba93

    • Size

      2.4MB

    • MD5

      a5f9185372c30dca4d5f921f3a8a67cf

    • SHA1

      593d14be593f1b6b6e7c969f5130147e7735a7d2

    • SHA256

      9080bc4976e84352e150192b485256e801d9c62a6675bf564b226c8ce95eba93

    • SHA512

      f6f99b3bf1f20fa5f30d778016d1b2245f89f826957db083e98570038a4d0c7fde57f84f326ece15a0855c1af797a3feb28901a1deb887e802113483ed8d3029

    • 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