Overview

overview

10

Static

static

566285f0bd...29.exe

windows7_x64

10

566285f0bd...29.exe

windows10_x64

10

Sharing

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General

  • Target

    566285f0bda34708c0f19e42f6d23929.exe

  • Size

    143KB

  • Sample

    210829-m7wekrbhtx

  • MD5

    566285f0bda34708c0f19e42f6d23929

  • SHA1

    503bee4aeec4972757c079527a2e0af7bdc84b3a

  • SHA256

    73e71254b57fbc49f7e55767aee9ff95507630171bbda89b5adf1907bc802279

  • SHA512

    f98d64ed8f4b2cccae95a3baff21285e75dfb42baaa5d935893dc5809ca8b81c39eab32aaef16844998e57b22b450e4085ef09460f730e09eca17b9c3021306f

Score
10/10
buranraccoonsmokeloadertofseed02c5d65069fc7ce1993e7c52edf0c9c4c195c81fe582536ec580228180f270f7cb80a867860e010backdoordiscoveryevasionpersistenceransomwarespywarestealerthemidatrojan

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: 2D2-225-83D 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

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Targets

    • Target

      566285f0bda34708c0f19e42f6d23929.exe

    • Size

      143KB

    • MD5

      566285f0bda34708c0f19e42f6d23929

    • SHA1

      503bee4aeec4972757c079527a2e0af7bdc84b3a

    • SHA256

      73e71254b57fbc49f7e55767aee9ff95507630171bbda89b5adf1907bc802279

    • SHA512

      f98d64ed8f4b2cccae95a3baff21285e75dfb42baaa5d935893dc5809ca8b81c39eab32aaef16844998e57b22b450e4085ef09460f730e09eca17b9c3021306f

    Score
    10/10
    buranraccoonsmokeloadertofseed02c5d65069fc7ce1993e7c52edf0c9c4c195c81fe582536ec580228180f270f7cb80a867860e010backdoordiscoveryevasionpersistenceransomwarespywarestealerthemidatrojan

    • Buran

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

      ransomwareburan

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

      stealerraccoon

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Tofsee

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

      trojantofsee

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

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

      evasion

    • Creates new service(s)

      persistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • 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.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks