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General

  • Target

    file.exe

  • Size

    179KB

  • Sample

    231022-tng2tscd75

  • MD5

    187aabdbc9fcc32821e4f9b558f966f7

  • SHA1

    946b1041259f37323afa826724a56e3d401f1c36

  • SHA256

    32dabc2870dfd083f634dd632a0d62055c31162b7b5506612913579a1152c6eb

  • SHA512

    fc873fa8e2a2cbfbc0b2338d2142aa0bafcaff6d99b124c51aacb4ba97465a9696f886462a6e31488682c9f5d641249182db65a8c2779c051e010a427a26f8e2

  • SSDEEP

    3072:FyBNcfzg6A+ouA3lKzqM632Tfusyam35ZllOfyuvTaioJQX:gsdA+PA3g5Tf3yamfHO6q

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

Botnet

pub1

Targets

    • Target

      file.exe

    • Size

      179KB

    • MD5

      187aabdbc9fcc32821e4f9b558f966f7

    • SHA1

      946b1041259f37323afa826724a56e3d401f1c36

    • SHA256

      32dabc2870dfd083f634dd632a0d62055c31162b7b5506612913579a1152c6eb

    • SHA512

      fc873fa8e2a2cbfbc0b2338d2142aa0bafcaff6d99b124c51aacb4ba97465a9696f886462a6e31488682c9f5d641249182db65a8c2779c051e010a427a26f8e2

    • SSDEEP

      3072:FyBNcfzg6A+ouA3lKzqM632Tfusyam35ZllOfyuvTaioJQX:gsdA+PA3g5Tf3yamfHO6q

    • 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

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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