General

  • Target

    1d76910c33b918dde3824d31fe0e328f008cacd84c96ab7483eaa528b57ae94d

  • Size

    232KB

  • Sample

    240321-thmp5afa74

  • MD5

    e9ae6966dade7577572dffda25045900

  • SHA1

    0c74a09a308b8fa7ab849325618582f5c8f275b6

  • SHA256

    1d76910c33b918dde3824d31fe0e328f008cacd84c96ab7483eaa528b57ae94d

  • SHA512

    ad819c61f8cc592f4f30a0ce9dd87961853954f85b5d9062e5df0cfea2308315e608fbe7da55a3e22ea4dc995ddb33a601670dfa8fd1b0507815e24e5442c33a

  • SSDEEP

    3072:W9iPm6pnv5LlfcFZA9SXC5j8+1ldkyCWyIxHEj4U/tHgfJPs9qZvoh:9m6pnBlcFy5jdl/CWy2BUVAfJk

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

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

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

lumma

C2

https://herdbescuitinjurywu.shop/api

https://relevantvoicelesskw.shop/api

https://resergvearyinitiani.shop/api

Targets

    • Target

      1d76910c33b918dde3824d31fe0e328f008cacd84c96ab7483eaa528b57ae94d

    • Size

      232KB

    • MD5

      e9ae6966dade7577572dffda25045900

    • SHA1

      0c74a09a308b8fa7ab849325618582f5c8f275b6

    • SHA256

      1d76910c33b918dde3824d31fe0e328f008cacd84c96ab7483eaa528b57ae94d

    • SHA512

      ad819c61f8cc592f4f30a0ce9dd87961853954f85b5d9062e5df0cfea2308315e608fbe7da55a3e22ea4dc995ddb33a601670dfa8fd1b0507815e24e5442c33a

    • SSDEEP

      3072:W9iPm6pnv5LlfcFZA9SXC5j8+1ldkyCWyIxHEj4U/tHgfJPs9qZvoh:9m6pnBlcFy5jdl/CWy2BUVAfJk

    • 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.

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • Deletes itself

    • 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks