General

  • Target

    7968c93e70cf28156411c937a568e5f62431a4ce2b0e2f92f24a492d8e452a92

  • Size

    6.6MB

  • Sample

    220312-zrznyabab7

  • MD5

    82692b4ac9c42c8df7113a966caee1fb

  • SHA1

    f79d4290c46293aade968665c7352dc51834f731

  • SHA256

    7968c93e70cf28156411c937a568e5f62431a4ce2b0e2f92f24a492d8e452a92

  • SHA512

    2783b057df7434d09c4c2c7c748d23cbc58be53e3c48e5815186f70d4cc2e9f3c42ce826b453fc00c495f785beaa0d34942e280f48806b376aab5fe258bcf26b

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.wygexde.xyz/

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

redline

Botnet

DomAni2

C2

flestriche.xyz:80

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

raccoon

Botnet

ccba3157b9f42051adf38fbb8f5d0aca7f2b7366

Attributes
  • url4cnc

    http://185.163.204.81/nui8xtgen

    http://194.180.191.33/nui8xtgen

    http://174.138.11.98/nui8xtgen

    http://194.180.191.44/nui8xtgen

    http://91.219.236.120/nui8xtgen

    https://t.me/nui8xtgen

rc4.plain
rc4.plain

Extracted

Family

djvu

C2

http://fuyt.org/test3/get.php

Attributes
  • extension

    .xcbg

  • offline_id

    y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1

  • payload_url

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

    http://fuyt.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-zHDj26n4NW 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: support@sysmail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0417Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      7968c93e70cf28156411c937a568e5f62431a4ce2b0e2f92f24a492d8e452a92

    • Size

      6.6MB

    • MD5

      82692b4ac9c42c8df7113a966caee1fb

    • SHA1

      f79d4290c46293aade968665c7352dc51834f731

    • SHA256

      7968c93e70cf28156411c937a568e5f62431a4ce2b0e2f92f24a492d8e452a92

    • SHA512

      2783b057df7434d09c4c2c7c748d23cbc58be53e3c48e5815186f70d4cc2e9f3c42ce826b453fc00c495f785beaa0d34942e280f48806b376aab5fe258bcf26b

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • OnlyLogger Payload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks