General

  • Target

    file.exe

  • Size

    259KB

  • Sample

    231021-183mlacc81

  • MD5

    f141e1ebab8898741ec9c2b2ce703534

  • SHA1

    21acbdbf76f330f2445fcd4f6ac37aaf85220f4f

  • SHA256

    9f63a88e8ed926a18f4bb89dfcb59fdfc7b57d887b1e2099113948a9bb90795f

  • SHA512

    3c13aa57096eedeb7b8a0fbaf4f0b10399afbcfe8410116e7e7a9102590eba8d415778ad0f2a8d825204a5ea42b90b3c76d97d64180ada6e394442b35e01a40e

  • SSDEEP

    3072:Hl1BNIcJAtmw9RPaUnWKDnjlb7c6d4a+hbKDDZK0I2J:RKCAtL9Ryale6d4XbK4t

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://onualituyrs.org/

http://sumagulituyo.org/

http://snukerukeutit.org/

http://lightseinsteniki.org/

http://liuliuoumumy.org/

http://stualialuyastrelia.net/

http://kumbuyartyty.net/

http://criogetikfenbut.org/

http://tonimiuyaytre.org/

http://tyiuiunuewqy.org/

http://wirtshauspost.at/tmp/

http://msktk.ru/tmp/

http://soetegem.com/tmp/

http://gromograd.ru/tmp/

http://talesofpirates.net/tmp/

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

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ithh

  • offline_id

    9FgVtzPuDnE9NZWeLG9q9D2SjzVyIqJJ4jFNKXt1

  • payload_url

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

    http://zexeq.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. You can get and look video overview decrypt tool: https://we.tl/t-cGZhpvUKxk Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0811JOsie

rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

171.22.28.236:38306

Extracted

Family

smokeloader

Botnet

pub1

Targets

    • Target

      file.exe

    • Size

      259KB

    • MD5

      f141e1ebab8898741ec9c2b2ce703534

    • SHA1

      21acbdbf76f330f2445fcd4f6ac37aaf85220f4f

    • SHA256

      9f63a88e8ed926a18f4bb89dfcb59fdfc7b57d887b1e2099113948a9bb90795f

    • SHA512

      3c13aa57096eedeb7b8a0fbaf4f0b10399afbcfe8410116e7e7a9102590eba8d415778ad0f2a8d825204a5ea42b90b3c76d97d64180ada6e394442b35e01a40e

    • SSDEEP

      3072:Hl1BNIcJAtmw9RPaUnWKDnjlb7c6d4a+hbKDDZK0I2J:RKCAtL9Ryale6d4XbK4t

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks