General

  • Target

    f73d823313bd7218e8a3a00916ccbe3137e19ed4679a43a452663dcce1c799d9

  • Size

    6.2MB

  • Sample

    221213-fx585aea93

  • MD5

    9e59e36488bfcebe5acba259c6ba6195

  • SHA1

    65ba9bfa1e66bf09b0d3064746c15246b9fcc049

  • SHA256

    f73d823313bd7218e8a3a00916ccbe3137e19ed4679a43a452663dcce1c799d9

  • SHA512

    f043684854247db8ead2823105942009ca8b8bb3d1d58b80d1ee851fb028afa7374bc29661c46f4e9ca6d5896dacd56a3c297161c3c71f5b4db2dbfd9f797ecd

  • SSDEEP

    98304:FjWC/PP6KALpuDlnRoTsUzBPPPPTycfOsjaTA5Tny6dDFFMcubn36fBu:FyC/lALkD7oTJP+cfDaM57y6PNuO5u

Malware Config

Extracted

Family

amadey

Version

3.50

C2

85.209.135.109/jg94cVd30f/index.php

Extracted

Family

systembc

C2

89.22.236.225:4193

176.124.205.5:4193

Targets

    • Target

      f73d823313bd7218e8a3a00916ccbe3137e19ed4679a43a452663dcce1c799d9

    • Size

      6.2MB

    • MD5

      9e59e36488bfcebe5acba259c6ba6195

    • SHA1

      65ba9bfa1e66bf09b0d3064746c15246b9fcc049

    • SHA256

      f73d823313bd7218e8a3a00916ccbe3137e19ed4679a43a452663dcce1c799d9

    • SHA512

      f043684854247db8ead2823105942009ca8b8bb3d1d58b80d1ee851fb028afa7374bc29661c46f4e9ca6d5896dacd56a3c297161c3c71f5b4db2dbfd9f797ecd

    • SSDEEP

      98304:FjWC/PP6KALpuDlnRoTsUzBPPPPTycfOsjaTA5Tny6dDFFMcubn36fBu:FyC/lALkD7oTJP+cfDaM57y6PNuO5u

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Modifies security service

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • UAC bypass

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks