General

  • Target

    5b9805d7b48c07d06c115c68f6453126.exe

  • Size

    142KB

  • Sample

    210829-mscwk9c6qx

  • MD5

    5b9805d7b48c07d06c115c68f6453126

  • SHA1

    5d9fd16789e50eeb8dde5cfe06562328ae1620e2

  • SHA256

    5739ea70dbe1a9d014b42300149b2ccbcf628cf08af00053708003caf3bbc14d

  • SHA512

    2e19f2979ebea298e526586cd858f1da2ba19ef0a3903244f6dcd930cc478b5034014fb4d9df3f568eb04fdb8a6329847609834ec330002728ea1858fd7528c2

Malware Config

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

redline

Botnet

Sergey

C2

51.254.68.139:15009

Extracted

Family

raccoon

Botnet

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

WORD1

C2

94.26.249.88:1902

Extracted

Family

redline

Botnet

nn

C2

135.181.49.56:47634

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: 8F6-B18-765 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

raccoon

Botnet

20d9c80657d1d0fda9625cbd629ba419b8a34404

Attributes
  • url4cnc

    https://telete.in/hfuimoneymake

rc4.plain
rc4.plain

Targets

    • Target

      5b9805d7b48c07d06c115c68f6453126.exe

    • Size

      142KB

    • MD5

      5b9805d7b48c07d06c115c68f6453126

    • SHA1

      5d9fd16789e50eeb8dde5cfe06562328ae1620e2

    • SHA256

      5739ea70dbe1a9d014b42300149b2ccbcf628cf08af00053708003caf3bbc14d

    • SHA512

      2e19f2979ebea298e526586cd858f1da2ba19ef0a3903244f6dcd930cc478b5034014fb4d9df3f568eb04fdb8a6329847609834ec330002728ea1858fd7528c2

    • Buran

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

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Turns off Windows Defender SpyNet reporting

    • UAC bypass

    • Windows security bypass

    • 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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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.

    • Windows security modification

    • 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