General

  • Target

    72e83349b823b7407e5facd3f1c6e7780209715ecac2c734876f90bef5e85f0c.exe

  • Size

    1.8MB

  • Sample

    250212-v8xhpa1pc1

  • MD5

    34904fce00170fdda76b6483ed883cd0

  • SHA1

    b374fa50d13b3e76b6aea578f821d5c83c346f3b

  • SHA256

    72e83349b823b7407e5facd3f1c6e7780209715ecac2c734876f90bef5e85f0c

  • SHA512

    3ebf18b7aa9adf7f296c56f43712291b4afb531132e5a1e83229bdc5ec7d519ac55a26646ad5038e819f2506f82ba33dc6bb3dcad317e8c8bc2790cc1345013c

  • SSDEEP

    49152:lMD1jNLRN9A25+BegKOa+XDenfpQAisdRJnImUubXY4YsPh:CBNN9A25i9rTef6ATfTPh

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      72e83349b823b7407e5facd3f1c6e7780209715ecac2c734876f90bef5e85f0c.exe

    • Size

      1.8MB

    • MD5

      34904fce00170fdda76b6483ed883cd0

    • SHA1

      b374fa50d13b3e76b6aea578f821d5c83c346f3b

    • SHA256

      72e83349b823b7407e5facd3f1c6e7780209715ecac2c734876f90bef5e85f0c

    • SHA512

      3ebf18b7aa9adf7f296c56f43712291b4afb531132e5a1e83229bdc5ec7d519ac55a26646ad5038e819f2506f82ba33dc6bb3dcad317e8c8bc2790cc1345013c

    • SSDEEP

      49152:lMD1jNLRN9A25+BegKOa+XDenfpQAisdRJnImUubXY4YsPh:CBNN9A25i9rTef6ATfTPh

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks