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General

  • Target

    6d0729f68fa36f574c5ab467bf9974a445e85378bf649df2bcc53f798b06c38a

  • Size

    210KB

  • Sample

    231210-2es2qseaen

  • MD5

    028bac272231b95ba27d017be6e9fa84

  • SHA1

    38248939238eff5c7d36bb56c6da7ddc0a683bdc

  • SHA256

    6d0729f68fa36f574c5ab467bf9974a445e85378bf649df2bcc53f798b06c38a

  • SHA512

    535fcd9ca37f1d4993cfeea4353661a97bda9ca9809711d2436cb86ffac52ce4bdadeab7a9561b2ca5dcc6fe0f6881fab899b725352b47a1d6049a0910332bf5

  • SSDEEP

    3072:CqGLR8d5/sxtHbryOgtlYf1B1hpQNj0TpR0Ax:PGLRy/sLd4l6z1hKNS

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .hhuy

  • offline_id

    gG3wF8nDWRqLztkHPAxMzpvNVlmLBMgQKmKiCNt1

  • payload_url

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

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

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

risepro

C2

193.233.132.51

Extracted

Family

redline

Botnet

DeepWeb

C2

178.33.57.150:1334

Targets

    • Target

      6d0729f68fa36f574c5ab467bf9974a445e85378bf649df2bcc53f798b06c38a

    • Size

      210KB

    • MD5

      028bac272231b95ba27d017be6e9fa84

    • SHA1

      38248939238eff5c7d36bb56c6da7ddc0a683bdc

    • SHA256

      6d0729f68fa36f574c5ab467bf9974a445e85378bf649df2bcc53f798b06c38a

    • SHA512

      535fcd9ca37f1d4993cfeea4353661a97bda9ca9809711d2436cb86ffac52ce4bdadeab7a9561b2ca5dcc6fe0f6881fab899b725352b47a1d6049a0910332bf5

    • SSDEEP

      3072:CqGLR8d5/sxtHbryOgtlYf1B1hpQNj0TpR0Ax:PGLRy/sLd4l6z1hKNS

    • DcRat

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

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Detected google phishing page

    • Detects DLL dropped by Raspberry Robin.

      Raspberry Robin.

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks