General

  • Target

    abe7144e537cd80c762392c34798f3a6a197acf4c60b7ac371ae2288a170267d

  • Size

    149KB

  • Sample

    210828-mbbycz2z3s

  • MD5

    dd887717779d5bfd4f78471908ee887d

  • SHA1

    2244802ad08415dc4550b86b599fef61c1dd0453

  • SHA256

    abe7144e537cd80c762392c34798f3a6a197acf4c60b7ac371ae2288a170267d

  • SHA512

    1af98da0c68134a4ab384e2825db1a127594dc6b5239c6d2f993bf0da13ee2c6d625dafbf7f87872c193aa1d95a4f7231405c7fc2e6aa21dd3e02da386e90585

Malware Config

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: [email protected] and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? [email protected] TELEGRAM @ payfast290 Your personal ID: 560-146-D12 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

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

Extracted

Family

raccoon

Botnet

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

20d9c80657d1d0fda9625cbd629ba419b8a34404

Attributes
  • url4cnc

    https://telete.in/hfuimoneymake

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

WORD1

C2

94.26.249.88:1902

Extracted

Family

vidar

Version

40.1

Botnet

941

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    941

Extracted

Family

vidar

Version

40.1

Botnet

995

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    995

Targets

    • Target

      abe7144e537cd80c762392c34798f3a6a197acf4c60b7ac371ae2288a170267d

    • Size

      149KB

    • MD5

      dd887717779d5bfd4f78471908ee887d

    • SHA1

      2244802ad08415dc4550b86b599fef61c1dd0453

    • SHA256

      abe7144e537cd80c762392c34798f3a6a197acf4c60b7ac371ae2288a170267d

    • SHA512

      1af98da0c68134a4ab384e2825db1a127594dc6b5239c6d2f993bf0da13ee2c6d625dafbf7f87872c193aa1d95a4f7231405c7fc2e6aa21dd3e02da386e90585

    • Buran

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

    • 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

    • 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

    • 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

    • xmrig

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

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

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

    • Vidar Stealer

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • UPX packed file

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks