General

  • Target

    97b568ef554590f434319af89a5788dbc5663af838e6aa20e9112b23053aa835

  • Size

    256KB

  • Sample

    240122-fj4hdagggm

  • MD5

    7e3cd3e1108f3095f3dcddb24c1b316e

  • SHA1

    2cf2abd5b20899ea4cf032f8632c92d041075953

  • SHA256

    97b568ef554590f434319af89a5788dbc5663af838e6aa20e9112b23053aa835

  • SHA512

    d0930b8c7065bec0aea3dac80a0fd7b2b56275fddeb11cf9d5c113271297864dcf7907547b0a2bb809d59dd6c4e75668bc550b3b06a23fdd8f692780dc5e0bc8

  • SSDEEP

    3072:dlrJL/w/duC5GqyW9mOR9qyrym2Le/0bGo5h64W2OQ601:d3L/wF3x+OSyrcLe/U64W2Oj

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://gxutc2c.com/tmp/index.php

http://proekt8.ru/tmp/index.php

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

http://pirateking.online/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

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

Extracted

Family

smokeloader

Botnet

pub1

Targets

    • Target

      97b568ef554590f434319af89a5788dbc5663af838e6aa20e9112b23053aa835

    • Size

      256KB

    • MD5

      7e3cd3e1108f3095f3dcddb24c1b316e

    • SHA1

      2cf2abd5b20899ea4cf032f8632c92d041075953

    • SHA256

      97b568ef554590f434319af89a5788dbc5663af838e6aa20e9112b23053aa835

    • SHA512

      d0930b8c7065bec0aea3dac80a0fd7b2b56275fddeb11cf9d5c113271297864dcf7907547b0a2bb809d59dd6c4e75668bc550b3b06a23fdd8f692780dc5e0bc8

    • SSDEEP

      3072:dlrJL/w/duC5GqyW9mOR9qyrym2Le/0bGo5h64W2OQ601:d3L/wF3x+OSyrcLe/U64W2Oj

    • DcRat

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

    • Detect Socks5Systemz Payload

    • Glupteba

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

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Contacts a large (823) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • 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.

    • Manipulates WinMonFS driver.

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

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks