General

  • Target

    d4d66258546efbcc87356f6ecfa0e925.exe

  • Size

    168KB

  • Sample

    210828-xssa4ge7lx

  • MD5

    d4d66258546efbcc87356f6ecfa0e925

  • SHA1

    edf064f4b9233f7eb4f0c83a5cdb9cdd568278ea

  • SHA256

    5a755c3fa92a24bae2d0d3fc1e2a743ed11e159f3327aeb685f8118823453a59

  • SHA512

    1442d9b587e4f0014029d0a6025d290f73b6ee30247f0dd2c41a402074835e9aad14b584b630b6ab2ab5fd3d0d1cd5e449474552609fc0c415e7e998cc1c74ab

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

raccoon

Botnet

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Sergey

C2

51.254.68.139:15009

Extracted

Family

redline

Botnet

WORD1

C2

94.26.249.88:1902

Extracted

Family

redline

Botnet

MIX

C2

manazyxsa.xyz:80

Extracted

Family

redline

Botnet

superstar75737

C2

95.181.152.190:33007

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: 1C6-C03-693 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

redline

Botnet

1000

C2

94.103.9.138:80

Targets

    • Target

      d4d66258546efbcc87356f6ecfa0e925.exe

    • Size

      168KB

    • MD5

      d4d66258546efbcc87356f6ecfa0e925

    • SHA1

      edf064f4b9233f7eb4f0c83a5cdb9cdd568278ea

    • SHA256

      5a755c3fa92a24bae2d0d3fc1e2a743ed11e159f3327aeb685f8118823453a59

    • SHA512

      1442d9b587e4f0014029d0a6025d290f73b6ee30247f0dd2c41a402074835e9aad14b584b630b6ab2ab5fd3d0d1cd5e449474552609fc0c415e7e998cc1c74ab

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • BitRAT Payload

    • 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.

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty Payload

    • Tofsee

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

    • Windows security bypass

    • suricata: ET MALWARE StormKitty Data Exfil via Telegram

      suricata: ET MALWARE StormKitty Data Exfil via Telegram

    • xmrig

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

    • Async RAT payload

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

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

    • XMRig Miner Payload

    • 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 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

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks