General

  • Target

    7586326133.zip.zip

  • Size

    3.9MB

  • Sample

    220614-d36qqsfhg9

  • MD5

    effece1f2c6e6097b388989b41ab1c88

  • SHA1

    d746ddc4eab1376b9256b248a9122dfbe997992d

  • SHA256

    8f68e4fa8a55e0f2b299f9ebd29c9bc3620fc7c6ebcd012cca4a13c07467c808

  • SHA512

    3651cb44f35c2a832075bc3fe4ae8565f6c68512b4ce00b8f37e5150810e45ec85cf298999665ea126a302b6d6e8548ad8f5a79a303057f45c583d37316a8e5d

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.efxety.top/

Extracted

Family

redline

Botnet

ChrisNEW

C2

194.104.136.5:46013

Attributes
  • auth_value

    9491a1c5e11eb6097e68a4fa8627fda8

Extracted

Family

redline

Botnet

sehrish2

C2

135.181.129.119:4805

Attributes
  • auth_value

    b69102cdbd4afe2d3159f88fb6dac731

Extracted

Family

redline

Botnet

media21

C2

91.121.67.60:23325

Attributes
  • auth_value

    e37d5065561884bb54c8ed1baa6de446

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bbii

  • offline_id

    fE1iyGbFRSHwEwVlLZsE3FvHU8UKd1wubsS4CFt1

  • payload_url

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

    http://abababa.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-KXqYlvxcUy 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@bestyourmail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0498JIjdm

rsa_pubkey.plain

Targets

    • Target

      00b5c410d204d6a92f6636e23998777d2716e8928f96b56826b093c9177afaae

    • Size

      3.9MB

    • MD5

      d53ddc86260fa2b2508bb4a7270bf985

    • SHA1

      353242843d7115c936b0b370ef0dc3b5243fed04

    • SHA256

      00b5c410d204d6a92f6636e23998777d2716e8928f96b56826b093c9177afaae

    • SHA512

      d72a29e96368cadf7323c814075edb8837e5109d8e80b3c2516b7c429b13018e0a09b96c5e367d51d123bb80797fd020d9f337c35ca56503328c2135d504c047

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • Socelars

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

    • Socelars Payload

    • Tofsee

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

    • suricata: ET MALWARE Generic Stealer Config Download Request

      suricata: ET MALWARE Generic Stealer Config Download Request

    • suricata: ET MALWARE Generic Stealer Sending System Information M1

      suricata: ET MALWARE Generic Stealer Sending System Information M1

    • suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

      suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

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

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Recordbreaker Stealer CnC Checkin

      suricata: ET MALWARE Recordbreaker Stealer CnC Checkin

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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/Spy.Socelars.S CnC Activity M3

      suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    • 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 computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks