Resubmissions

22-04-2024 17:31

240422-v326zsea71 10

21-04-2024 08:54

240421-kt7p1afd94 10

General

  • Target

    f2781f5471c02f19dceb8e8c5d20f4725aeb126a99447f6fcfdfd80dcac43060

  • Size

    1.8MB

  • Sample

    240422-v326zsea71

  • MD5

    7fd766b6faa6e701213ba850c7a809c4

  • SHA1

    58d779bb83aa9cae0b61e5e6fb387c4a61a94ae1

  • SHA256

    f2781f5471c02f19dceb8e8c5d20f4725aeb126a99447f6fcfdfd80dcac43060

  • SHA512

    23a3192c2683baa51a7fa27e12efb20cd06be15b6321d2727d6bbe73ea649bab5af321727aa76ef39d56940ac9d275e66eed7a20295f7dc0f02d0f8ffca04a9a

  • SSDEEP

    49152:ttRJNQ/tHqrX57HftH804qmkSe119kplZYtAFTe7Gzo:tw/tHw5Lftts2116i6e7N

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      f2781f5471c02f19dceb8e8c5d20f4725aeb126a99447f6fcfdfd80dcac43060

    • Size

      1.8MB

    • MD5

      7fd766b6faa6e701213ba850c7a809c4

    • SHA1

      58d779bb83aa9cae0b61e5e6fb387c4a61a94ae1

    • SHA256

      f2781f5471c02f19dceb8e8c5d20f4725aeb126a99447f6fcfdfd80dcac43060

    • SHA512

      23a3192c2683baa51a7fa27e12efb20cd06be15b6321d2727d6bbe73ea649bab5af321727aa76ef39d56940ac9d275e66eed7a20295f7dc0f02d0f8ffca04a9a

    • SSDEEP

      49152:ttRJNQ/tHqrX57HftH804qmkSe119kplZYtAFTe7Gzo:tw/tHw5Lftts2116i6e7N

    • Amadey

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

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

    • Blocklisted process makes network request

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks