Resubmissions

13-09-2021 13:00

210913-p826aadfh4 10

12-09-2021 18:18

210912-wxzpcafeel 10

General

  • Target

    setup_x86_x64_install.exe

  • Size

    3.4MB

  • Sample

    210912-wxzpcafeel

  • MD5

    7279aeead22b91c8176ee932377f2e27

  • SHA1

    169aa33bbaacff9d2b1fbef2a8d06456d14c81dc

  • SHA256

    8485c644c0a96ff0d9256b10e2c50ee462868432080b6f27869d96edf77a7d0e

  • SHA512

    8ddaa2cd804602c0fdde5a85c96067b19338d074980fd0350839e68fea9b113d55af056a3ac3cbb04c47b9ef819c4840031a9fcb817d7a45bb2e35d0184d7697

Malware Config

Extracted

Family

vidar

Version

40.5

Botnet

706

C2

https://gheorghip.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

vidar

Version

40.5

Botnet

328

C2

https://gheorghip.tumblr.com/

Attributes
  • profile_id

    328

Extracted

Path

C:\_readme.txt

Family

djvu

Ransom Note
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-CtDpAM1g5f 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: 0333gSd743dC4j04vLx6lqyFlyzpTC55w9igCGDgaBYLhUjv3Rr
URLs

https://we.tl/t-CtDpAM1g5f

Extracted

Family

redline

Botnet

129m4d

C2

185.215.113.104:18754

Extracted

Family

redline

Botnet

UTS

C2

45.9.20.20:13441

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      3.4MB

    • MD5

      7279aeead22b91c8176ee932377f2e27

    • SHA1

      169aa33bbaacff9d2b1fbef2a8d06456d14c81dc

    • SHA256

      8485c644c0a96ff0d9256b10e2c50ee462868432080b6f27869d96edf77a7d0e

    • SHA512

      8ddaa2cd804602c0fdde5a85c96067b19338d074980fd0350839e68fea9b113d55af056a3ac3cbb04c47b9ef819c4840031a9fcb817d7a45bb2e35d0184d7697

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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 system executable filetype association

    • 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

    • Registers COM server for autorun

    • 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 NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • rl_trojan

      redline stealer.

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent

      suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent

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

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • 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

    • suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity

      suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity

    • suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2

      suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2

    • suricata: ET MALWARE Win32/Tnega Activity (GET)

      suricata: ET MALWARE Win32/Tnega Activity (GET)

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Vidar Stealer

    • XMRig Miner Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • 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 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.

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

Score
N/A

behavioral1

gluptebametasploitraccoonredlinesmokeloadersocelarsvidarxmrig706aspackv2backdoordiscoverydropperinfostealerloaderminerpersistencespywarestealersuricatatrojan
Score
10/10

behavioral2

redlinesocelarsvidar706aspackv2discoveryevasioninfostealerpersistencespywarestealersuricata
Score
10/10

behavioral3

djvugluptebametasploitraccoonredlinesmokeloadersocelarsxmrigaspackv2backdoordropperinfostealerloaderminerransomwarestealersuricatatrojan
Score
10/10

behavioral4

djvugluptebametasploitsmokeloadersocelarsvidar328706aspackv2backdoordiscoverydropperevasionloaderpersistenceransomwarespywarestealersuricatatrojan
Score
10/10

behavioral5

redlinesocelarsvidarxmrigaspackv2discoveryevasioninfostealerminerpersistencespywarestealersuricata
Score
10/10

behavioral6

djvuredlinesmokeloadersocelarsvidar706aspackv2backdoordiscoveryevasioninfostealerpersistenceransomwarespywarestealersuricatatrojan
Score
10/10

behavioral7

redlinesmokeloadersocelarsvidar706aspackv2backdoorinfostealerstealersuricatatrojan
Score
10/10

behavioral8

redlinesmokeloadersocelarsvidar706aspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatatrojan
Score
10/10

behavioral9

gluptebametasploitredlinesmokeloadersocelarsvidar129m4d706utsaspackv2backdoordiscoverydropperinfostealerloaderpersistencespywarestealersuricatatrojan
Score
10/10

behavioral10

gluptebametasploitredlinesmokeloadersocelarsvidar706aspackv2backdoordiscoverydropperevasioninfostealerloaderpersistencespywarestealersuricatatrojan
Score
10/10