General

  • Target

    137738acaa65534389455145fa1b993b.exe

  • Size

    188KB

  • Sample

    230925-k2qrfsdh5v

  • MD5

    137738acaa65534389455145fa1b993b

  • SHA1

    100fa20b76fd2d048bfa1989b3cd3c46ce3dc913

  • SHA256

    d2a471fca395ec5faa4dc9638d522da081c167dd742c125dcbccd16c52f37e76

  • SHA512

    6d9099ae4c2c61995ce3da8f03992183b3402db98c71a1d2270d732135aea6557f0263a2ae37429c7fbbde85f9cfd9ca1c8cc2e0fa4c398c77a3b3298c98c17a

  • SSDEEP

    3072:SorMkCQuLVZPd0ClVozwvatqcagi4G5KlY5+M3eT:So8pLVZPDlVozwIN+elYV

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

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

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

Attributes
  • extension

    .azop

  • offline_id

    GQ9DjFmWFDqpsyzsOnaxE1Xr4MPL1dG4vPfPDNt1

  • 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-e5pgPH03fe 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: 0792

rsa_pubkey.plain

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

146.59.10.173:45035

Attributes
  • auth_value

    3a050df92d0cf082b2cdaf87863616be

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Extracted

Family

stealc

C2

http://bakbakbak.info

Attributes
  • url_path

    /09e4d23b10828340.php

rc4.plain

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      137738acaa65534389455145fa1b993b.exe

    • Size

      188KB

    • MD5

      137738acaa65534389455145fa1b993b

    • SHA1

      100fa20b76fd2d048bfa1989b3cd3c46ce3dc913

    • SHA256

      d2a471fca395ec5faa4dc9638d522da081c167dd742c125dcbccd16c52f37e76

    • SHA512

      6d9099ae4c2c61995ce3da8f03992183b3402db98c71a1d2270d732135aea6557f0263a2ae37429c7fbbde85f9cfd9ca1c8cc2e0fa4c398c77a3b3298c98c17a

    • SSDEEP

      3072:SorMkCQuLVZPd0ClVozwvatqcagi4G5KlY5+M3eT:So8pLVZPDlVozwIN+elYV

    • DcRat

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

    • Detect Fabookie payload

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Fabookie

      Fabookie is facebook account info stealer.

    • 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.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • 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

    • Modifies file permissions

    • 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.

    • 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

    • 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.

    • Writes to the Master Boot Record (MBR)

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

    • 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