Resubmissions

03-09-2021 12:16

210903-pfn3ysdac4 10

03-09-2021 04:55

210903-fj6mqsfbfk 10

02-09-2021 19:23

210902-x37sksbef5 10

02-09-2021 15:02

210902-senycadeck 10

02-09-2021 11:29

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02-09-2021 05:46

210902-lng5vcn31n 10

02-09-2021 04:57

210902-gp7zs88ann 10

01-09-2021 17:32

210901-sgcvvtysvs 10

31-08-2021 12:57

210831-1v8aywj16x 10

31-08-2021 07:34

210831-n7h9w45r3x 10

General

  • Target

    Setup.exe

  • Size

    631KB

  • Sample

    210831-1v8aywj16x

  • MD5

    cb927513ff8ebff4dd52a47f7e42f934

  • SHA1

    0de47c02a8adc4940a6c18621b4e4a619641d029

  • SHA256

    fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

  • SHA512

    988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

Malware Config

Extracted

Family

redline

Botnet

mybirja

C2

45.14.49.232:63850

Extracted

Family

redline

Botnet

spnewportspectr

C2

135.148.139.222:1594

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. PAY FAST 500$=0.013 btc or the price will increase tomorrow bitcoin address bc1qqxnp9z0ff8x852dyflp5r9r6rzse8jl5hzmqz8 To be sure we have the decryptor and it works you can send an email: payfast290@mail2tor.com and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? payfast290@mail2tor.com TELEGRAM @ payfast290 Your personal ID: 194-74C-B8E Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

redline

Botnet

1

C2

37.0.8.88:44263

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

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

Extracted

Family

raccoon

Botnet

1a039102d15b6b2359dba124fdb861bbc6a31696

Attributes
  • url4cnc

    https://telete.in/fast3Abominate

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

NORMAN2

C2

45.14.49.184:27587

Targets

    • Target

      Setup.exe

    • Size

      631KB

    • MD5

      cb927513ff8ebff4dd52a47f7e42f934

    • SHA1

      0de47c02a8adc4940a6c18621b4e4a619641d029

    • SHA256

      fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

    • SHA512

      988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

    • Buran

      Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • 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.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Generic .bin download from Dotted Quad

      suricata: ET MALWARE Generic .bin download from Dotted Quad

    • suricata: ET MALWARE Generic gate[.].php GET with minimal headers

      suricata: ET MALWARE Generic gate[.].php GET with minimal headers

    • suricata: ET MALWARE Likely Zbot Generic Request to gate.php Dotted-Quad

      suricata: ET MALWARE Likely Zbot Generic Request to gate.php Dotted-Quad

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

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

    • Vidar Stealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

1
T1089

File Deletion

2
T1107

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks