General

  • Target

    Setup.exe

  • Size

    5.0MB

  • Sample

    210213-b6e89zxqn6

  • MD5

    edeb50f0b803732a581ab558bf87d968

  • SHA1

    35858ce564d4c8b080bae606bf67292f5b9b2201

  • SHA256

    ee9743026ad49017735e58c3d9ee9198db87eb6a3ab77242aa9d15155a9504b6

  • SHA512

    8c47a7964791452fc499046d60b08b99f7a986b3827cddeba88b20e91c0ff69475314f17662c33286f421d433fb507a9c673bcce75f0c5bb333ca6e58b219273

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naritouzina.net/

http://nukaraguasleep.net/

http://notfortuaj.net/

http://natuturalistic.net/

http://zaniolofusa.net/

http://4zavr.com/upload/

http://zynds.com/upload/

http://atvua.com/upload/

http://detse.net/upload/

http://dsdett.com/upload/

http://dtabasee.com/upload/

http://yeronogles.monster/upload/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

17694a35d42ac97e2cd3ebd196db01b372cce1b0

Attributes
  • url4cnc

    https://telete.in/o23felk0s

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

027bc1bb9168079d5f7473eee9c05ee06589c305

Attributes
  • url4cnc

    https://telete.in/jjbadb0y

rc4.plain
rc4.plain

Extracted

Family

smokeloader

Version

2019

C2

http://10022020newfolder1002002131-service1002.space/

http://10022020newfolder1002002231-service1002.space/

http://10022020newfolder3100231-service1002.space/

http://10022020newfolder1002002431-service1002.space/

http://10022020newfolder1002002531-service1002.space/

http://10022020newfolder33417-01242510022020.space/

http://10022020test125831-service1002012510022020.space/

http://10022020test136831-service1002012510022020.space/

http://10022020test147831-service1002012510022020.space/

http://10022020test146831-service1002012510022020.space/

http://10022020test134831-service1002012510022020.space/

http://10022020est213531-service100201242510022020.ru/

http://10022020yes1t3481-service1002012510022020.ru/

http://10022020test13561-service1002012510022020.su/

http://10022020test14781-service1002012510022020.info/

http://10022020test13461-service1002012510022020.net/

http://10022020test15671-service1002012510022020.tech/

http://10022020test12671-service1002012510022020.online/

http://10022020utest1341-service1002012510022020.ru/

http://10022020uest71-service100201dom2510022020.ru/

rc4.i32
rc4.i32

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

raccoon

Botnet

9ba64f4b6fe448911470a88f09d6e7d5b92ff0ab

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Targets

    • Target

      Setup.exe

    • Size

      5.0MB

    • MD5

      edeb50f0b803732a581ab558bf87d968

    • SHA1

      35858ce564d4c8b080bae606bf67292f5b9b2201

    • SHA256

      ee9743026ad49017735e58c3d9ee9198db87eb6a3ab77242aa9d15155a9504b6

    • SHA512

      8c47a7964791452fc499046d60b08b99f7a986b3827cddeba88b20e91c0ff69475314f17662c33286f421d433fb507a9c673bcce75f0c5bb333ca6e58b219273

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • 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.

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • 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 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.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Nirsoft

    • Creates new service(s)

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Suspicious Office macro

      Office document equipped with 4.0 macros.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • 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.

    • Windows security modification

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks