General

  • Target

    da99cadc0e11a6af4180d7583bdf1b7f71ed8aff0c400fc9f1fbc0c311f6c294

  • Size

    3.1MB

  • Sample

    220427-v7a83abbfl

  • MD5

    eb8c24f4916e3ac718ac6480b2fa32c1

  • SHA1

    0b31a630c5b6dfa6262f75adb93298352eb9688b

  • SHA256

    da99cadc0e11a6af4180d7583bdf1b7f71ed8aff0c400fc9f1fbc0c311f6c294

  • SHA512

    b030df85c22ce1be3fc130dbf50d7ed29c4c989248a90d4fcdd5bd6c8cea43d6d8f167fb9052571342c0bc5f3dcd016d588ee6af55198ae4521389080b9cb97c

Malware Config

Targets

    • Target

      da99cadc0e11a6af4180d7583bdf1b7f71ed8aff0c400fc9f1fbc0c311f6c294

    • Size

      3.1MB

    • MD5

      eb8c24f4916e3ac718ac6480b2fa32c1

    • SHA1

      0b31a630c5b6dfa6262f75adb93298352eb9688b

    • SHA256

      da99cadc0e11a6af4180d7583bdf1b7f71ed8aff0c400fc9f1fbc0c311f6c294

    • SHA512

      b030df85c22ce1be3fc130dbf50d7ed29c4c989248a90d4fcdd5bd6c8cea43d6d8f167fb9052571342c0bc5f3dcd016d588ee6af55198ae4521389080b9cb97c

    • 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