General

  • Target

    46cc2ef701e4064dccb1e17975ddf19f9d2e8f8f96ed9cbffff0e7c804251f93

  • Size

    1.8MB

  • Sample

    240325-fhkzmsge45

  • MD5

    f0689dac059877ece86073a2d1402e25

  • SHA1

    b6a934c13c2717a05760fc35355c0df5aed518a0

  • SHA256

    46cc2ef701e4064dccb1e17975ddf19f9d2e8f8f96ed9cbffff0e7c804251f93

  • SHA512

    cfa68e6f083c748729357a24d63973e49eca3aeec0c60b7ddc73997eca3c76a2ef053a21aac7251f165e0835611698b77dc2f9ec91d805ca138ce5458343b813

  • SSDEEP

    49152:aSYKocJy3bzEHjoIYZikz2tEvDfSUk9+:aSlYfWEb29+

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

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

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      46cc2ef701e4064dccb1e17975ddf19f9d2e8f8f96ed9cbffff0e7c804251f93

    • Size

      1.8MB

    • MD5

      f0689dac059877ece86073a2d1402e25

    • SHA1

      b6a934c13c2717a05760fc35355c0df5aed518a0

    • SHA256

      46cc2ef701e4064dccb1e17975ddf19f9d2e8f8f96ed9cbffff0e7c804251f93

    • SHA512

      cfa68e6f083c748729357a24d63973e49eca3aeec0c60b7ddc73997eca3c76a2ef053a21aac7251f165e0835611698b77dc2f9ec91d805ca138ce5458343b813

    • SSDEEP

      49152:aSYKocJy3bzEHjoIYZikz2tEvDfSUk9+:aSlYfWEb29+

    • Amadey

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks BIOS information in registry

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

    • 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

    • Modifies file permissions

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks