General

  • Target

    a05f1eefde4ff5c8fa6e620c611b75a6e4038c8257d0821b8530c6381041ab17N

  • Size

    1.8MB

  • Sample

    240923-mezrysxhrd

  • MD5

    1b46eaaf2b71b0a588d730113851c9c0

  • SHA1

    7ebf887236b1f16a83fec911fac61304fa4b9eac

  • SHA256

    a05f1eefde4ff5c8fa6e620c611b75a6e4038c8257d0821b8530c6381041ab17

  • SHA512

    dbf94449dd3ee4e776cd22f59e127ecde030c50b3c30682ce0f6d082ecf43052212a3a7ce124983f1efc290447b02d54b1507fa1de41b1c1991a7116d017c949

  • SSDEEP

    24576:jmYjrsXjgS4isaIY31JEIzkh4tfxlsPbhc5Ql0jTACmnzlN7tDXi3SPJ9PLLDQgN:6bFIgThI4tf7sPtcBMNnzlbqS/Lw9fc3

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

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

      a05f1eefde4ff5c8fa6e620c611b75a6e4038c8257d0821b8530c6381041ab17N

    • Size

      1.8MB

    • MD5

      1b46eaaf2b71b0a588d730113851c9c0

    • SHA1

      7ebf887236b1f16a83fec911fac61304fa4b9eac

    • SHA256

      a05f1eefde4ff5c8fa6e620c611b75a6e4038c8257d0821b8530c6381041ab17

    • SHA512

      dbf94449dd3ee4e776cd22f59e127ecde030c50b3c30682ce0f6d082ecf43052212a3a7ce124983f1efc290447b02d54b1507fa1de41b1c1991a7116d017c949

    • SSDEEP

      24576:jmYjrsXjgS4isaIY31JEIzkh4tfxlsPbhc5Ql0jTACmnzlN7tDXi3SPJ9PLLDQgN:6bFIgThI4tf7sPtcBMNnzlbqS/Lw9fc3

    • Amadey

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

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks