General

  • Target

    c4a5f684b01da61022349af3fb86ecc9ae4e62fda54d451be65b304296ccb9ea

  • Size

    1.9MB

  • Sample

    240208-xw6xpshf4y

  • MD5

    bb549aea2d5bda85420c444d35caaa9f

  • SHA1

    0eed639585177d70472e9b771001fa335244db2a

  • SHA256

    c4a5f684b01da61022349af3fb86ecc9ae4e62fda54d451be65b304296ccb9ea

  • SHA512

    b8286d25564a318e8a91e55302be00ca17b8dd6ef968db58377bb9591b029bfa226dc8eb1994d1160efdc11c19978c95765298bc7189e0655df89c09f332eb5e

  • SSDEEP

    49152:0PaBHXMdsTvo3F0KXN4JHPwp3QW4IFe0a+jGc62f1Hm6n:0yMdhqEYHP/kM0VGc6GH5

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

risepro

C2

193.233.132.62:50500

Extracted

Family

redline

Botnet

new

C2

185.215.113.67:26260

Extracted

Family

redline

Botnet

@oni912

C2

45.15.156.209:40481

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

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .ldhy

  • offline_id

    pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://we.tl/t-hPAqznkJKD Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0849ASdw

rsa_pubkey.plain

Targets

    • Target

      c4a5f684b01da61022349af3fb86ecc9ae4e62fda54d451be65b304296ccb9ea

    • Size

      1.9MB

    • MD5

      bb549aea2d5bda85420c444d35caaa9f

    • SHA1

      0eed639585177d70472e9b771001fa335244db2a

    • SHA256

      c4a5f684b01da61022349af3fb86ecc9ae4e62fda54d451be65b304296ccb9ea

    • SHA512

      b8286d25564a318e8a91e55302be00ca17b8dd6ef968db58377bb9591b029bfa226dc8eb1994d1160efdc11c19978c95765298bc7189e0655df89c09f332eb5e

    • SSDEEP

      49152:0PaBHXMdsTvo3F0KXN4JHPwp3QW4IFe0a+jGc62f1Hm6n:0yMdhqEYHP/kM0VGc6GH5

    • Amadey

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

    • Detected Djvu ransomware

    • 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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • Drops startup file

    • 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 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.

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks