General

  • Target

    27923d58a1326ee7f05aea88dfd0ef09.exe

  • Size

    140KB

  • Sample

    210829-htcqcvd536

  • MD5

    27923d58a1326ee7f05aea88dfd0ef09

  • SHA1

    cb807ea8b07f677dfacde25724ab02d1a4a99f72

  • SHA256

    dff9da898a68e7e3f22e992e55d0b45cbe1625b9bf5f4a148e76fe0d6d654696

  • SHA512

    fbadfd8293b00ccc8c8b6c6b7efdafcef125d67db5bcfb259b5fd5f1a1e897c24ef158f25adb9f41a95f2eb698571b7e17acb7b1e535f84345a7c9982bb83a51

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.zippyshare.cc/1630257393/download

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

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

zz

C2

185.167.97.37:30902

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.zippyshare.cc/1630257468/download

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.zippyshare.cc/1630258463/download

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 590$=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: 351-3D7-915 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.

Targets

    • Target

      27923d58a1326ee7f05aea88dfd0ef09.exe

    • Size

      140KB

    • MD5

      27923d58a1326ee7f05aea88dfd0ef09

    • SHA1

      cb807ea8b07f677dfacde25724ab02d1a4a99f72

    • SHA256

      dff9da898a68e7e3f22e992e55d0b45cbe1625b9bf5f4a148e76fe0d6d654696

    • SHA512

      fbadfd8293b00ccc8c8b6c6b7efdafcef125d67db5bcfb259b5fd5f1a1e897c24ef158f25adb9f41a95f2eb698571b7e17acb7b1e535f84345a7c9982bb83a51

    • Buran

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

    • Modifies WinLogon for persistence

    • 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.

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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)

    • Nirsoft

    • XMRig Miner Payload

    • 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.

    • Deletes itself

    • 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 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 Enterprise v6

Tasks