Resubmissions

14-09-2021 15:21

210914-srgpssaheq 10

14-09-2021 05:16

210914-fykntaaagl 10

General

  • Target

    setup_x86_x64_install.exe

  • Size

    6.2MB

  • Sample

    210914-fykntaaagl

  • MD5

    7419b76a053b660459e1edcf1dfef302

  • SHA1

    43cab9f90509553f67eaed5b7321e358227cbe4f

  • SHA256

    941478d129063e71885f97791339a49c58c72991ccc8309734f12ef60aee5530

  • SHA512

    4997537c3ac3eebd9f5c6289ff971a84e3cb19cd9e62049e0b92f6fe3ef7c8c98dd11e0dea4931968d8305b28a754c0eeb6cc7e08b21f703d188299048e4a93d

Malware Config

Extracted

Family

vidar

Version

40.6

Botnet

706

C2

https://dimonbk83.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/

http://fazanaharahe1.xyz/

http://xandelissane2.xyz/

http://ustiassosale3.xyz/

http://cytheriata4.xyz/

http://ggiergionard5.xyz/

http://rrelleynaniy6.store/

http://danniemusoa7.store/

http://nastanizab8.store/

http://onyokandis9.store/

http://dmunaavank10.store/

http://gilmandros11.site/

http://cusanthana12.site/

http://willietjeana13.site/

http://ximusokall14.site/

http://blodinetisha15.site/

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

Extracted

Family

redline

Botnet

139f4t

C2

185.215.113.104:18754

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

redline

Botnet

Lyla

C2

95.181.172.207:56916

Extracted

Family

vidar

Version

40.5

Botnet

937

C2

https://gheorghip.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://shellloader.com/welcome

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      6.2MB

    • MD5

      7419b76a053b660459e1edcf1dfef302

    • SHA1

      43cab9f90509553f67eaed5b7321e358227cbe4f

    • SHA256

      941478d129063e71885f97791339a49c58c72991ccc8309734f12ef60aee5530

    • SHA512

      4997537c3ac3eebd9f5c6289ff971a84e3cb19cd9e62049e0b92f6fe3ef7c8c98dd11e0dea4931968d8305b28a754c0eeb6cc7e08b21f703d188299048e4a93d

    • 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 Windows Defender Real-time Protection settings

    • Modifies system executable filetype association

    • 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

    • 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

    • Tofsee

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

    • 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 Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

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

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

    • suricata: ET MALWARE Possible Kelihos.F EXE Download Common Structure

      suricata: ET MALWARE Possible Kelihos.F EXE Download Common Structure

    • 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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

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

    • 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 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)

    • Checks for common network interception software

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

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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

    • Modifies file permissions

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

Score
N/A

behavioral1

djvuredlinesmokeloadersocelarsvidar706aspackv2backdoordiscoveryevasioninfostealerpersistenceransomwarespywarestealersuricatathemidatrojanvmprotect
Score
10/10

behavioral2

redlinesmokeloadersocelars139f4taspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojanvmprotect
Score
10/10

behavioral3

redlinesmokeloadersocelarsvidar706aspackv2backdoordiscoveryinfostealerstealersuricatathemidatrojanvmprotect
Score
10/10

behavioral4

smokeloadersocelarsvidar706aspackv2backdoordiscoveryevasionspywarestealersuricatatrojanvmprotect
Score
10/10

behavioral5

gluptebametasploitredlinesmokeloadersocelarsvidar139f4taniaspackv2backdoordiscoverydropperevasioninfostealerloaderpersistencespywarestealersuricatathemidatrojanvmprotect
Score
10/10

behavioral6

gluptebametasploitredlinesmokeloadersocelarsvidar139f4t706aniaspackv2backdoordropperevasioninfostealerloaderspywarestealersuricatathemidatrojanvmprotect
Score
10/10

behavioral7

redlinesmokeloadersocelarstofseevidar706937anilylaaspackv2backdoorevasioninfostealerpersistencespywarestealersuricatatrojanvmprotect
Score
10/10

behavioral8

redlinesmokeloadersocelarsvidar706aniaspackv2backdoordiscoveryinfostealerstealersuricatathemidatrojanvmprotect
Score
10/10

behavioral9

redlinesmokeloadersocelarsvidar139f4t706aniaspackv2backdoorinfostealerstealersuricatathemidatrojanvmprotect
Score
10/10

behavioral10

redlinesmokeloadersocelarsvidar706937aniaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealersuricatathemidatrojanvmprotect
Score
10/10