General

  • Target

    config.lnk.mal.lnk

  • Size

    1KB

  • Sample

    240702-mqhyksydjf

  • MD5

    c6d3234e6d234ac35340b68402d65f7d

  • SHA1

    b6af26d59817c43729d48c46b9a4feee284f94eb

  • SHA256

    85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61

  • SHA512

    78794b7a77cd027b8dce320b6d1aaf918600a2d5c350ee676c705700a739fe7e55104ba29475ef6555adce4fec2ba0f13b0c9ca10d9730b7d8cfa44632d460b4

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://149.51.230.198:5566/config

Extracted

Family

meduza

C2

89.169.54.70

Extracted

Language
hta
Source
URLs
hta.dropper

http://149.51.230.198:5566/config

Targets

    • Target

      config.lnk.mal.lnk

    • Size

      1KB

    • MD5

      c6d3234e6d234ac35340b68402d65f7d

    • SHA1

      b6af26d59817c43729d48c46b9a4feee284f94eb

    • SHA256

      85b317bb4463a93ecc4d25af872401984d61e9ddcee4c275ea1f1d9875b5fa61

    • SHA512

      78794b7a77cd027b8dce320b6d1aaf918600a2d5c350ee676c705700a739fe7e55104ba29475ef6555adce4fec2ba0f13b0c9ca10d9730b7d8cfa44632d460b4

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Meduza family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Indirect Command Execution

      Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

    • Loads dropped DLL

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Looks up external IP address via web service

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

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks