General

  • Target

    56f3f9ac5d7c05dbc931e68808755c6ecc7a0a0f2c672d36726a5244bf3cf8b8

  • Size

    264KB

  • Sample

    220509-d26dksccd5

  • MD5

    6accc21341bafa9d920dff42bf0894e6

  • SHA1

    d86e33b51c0a446607c536cb991762552cf742b7

  • SHA256

    56f3f9ac5d7c05dbc931e68808755c6ecc7a0a0f2c672d36726a5244bf3cf8b8

  • SHA512

    d08b6dde1c0bf80d5e2ce5cf91aa35c748b8fc2a85b2368d939c4b18e78a255671791e4856ff63cd98226ffc6ccf4a04708f0754265c38d94005a81479ba05c6

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://monsutiur4.com/

http://nusurionuy5ff.at/

http://moroitomo4.net/

http://susuerulianita1.net/

http://cucumbetuturel4.com/

http://nunuslushau.com/

http://linislominyt11.at/

http://luxulixionus.net/

http://lilisjjoer44.com/

http://nikogminut88.at/

http://limo00ruling.org/

http://mini55tunul.com/

http://samnutu11nuli.com/

http://nikogkojam.org/

http://agressivemnaiq.xyz/

https://agressivemnaiq.xyz/

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

Extracted

Family

djvu

C2

http://ugll.org/lancer/get.php

Attributes
  • extension

    .egfg

  • offline_id

    QcVY9rkapJoL3nQkZAsvfTFVYLmscrM1v1QxGWt1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://ugll.org/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-6Ti2DxXR3I 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: manager@time2mail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0474JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

52

Botnet

1333

C2

https://t.me/hollandracing

https://busshi.moe/@ronxik321

Attributes
  • profile_id

    1333

Extracted

Family

redline

Botnet

2

C2

91.241.19.193:11630

Attributes
  • auth_value

    8f1381a27a56c64f6bc5ea1d4744ee1a

Extracted

Family

vidar

Version

52

Botnet

517

C2

https://t.me/hollandracing

https://busshi.moe/@ronxik321

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

us

C2

94.130.222.120:29240

Attributes
  • auth_value

    521267bd2f00cb305e87075b05d009f9

Extracted

Family

redline

Botnet

MixW

C2

94.130.222.120:29240

Attributes
  • auth_value

    13e177d0765ee6b55bd8c1f11560c773

Targets

    • Target

      56f3f9ac5d7c05dbc931e68808755c6ecc7a0a0f2c672d36726a5244bf3cf8b8

    • Size

      264KB

    • MD5

      6accc21341bafa9d920dff42bf0894e6

    • SHA1

      d86e33b51c0a446607c536cb991762552cf742b7

    • SHA256

      56f3f9ac5d7c05dbc931e68808755c6ecc7a0a0f2c672d36726a5244bf3cf8b8

    • SHA512

      d08b6dde1c0bf80d5e2ce5cf91aa35c748b8fc2a85b2368d939c4b18e78a255671791e4856ff63cd98226ffc6ccf4a04708f0754265c38d94005a81479ba05c6

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

      suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

    • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Checks BIOS information in registry

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

    • Deletes itself

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks