Overview

overview

10

Static

static

3

58999b891c...18.exe

windows7-x64

10

58999b891c...18.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    58999b891c115ca4cd983c9675724890_JaffaCakes118

  • Size

    376KB

  • Sample

    241018-vq4jaaycra

  • MD5

    58999b891c115ca4cd983c9675724890

  • SHA1

    8157379d1d1a40de5dfd00ea70c2cacc6b5d2f5e

  • SHA256

    ae50c1a234d07eb39859cf7aea9361d9b54397d477866ae38bb61ad904298315

  • SHA512

    6773b60e8ad7e940724daf5aa81cd1c08c113b4087c6ff69b21a12fd3c684e441007ab2968780ad5c0425a45ee1b2f3b8f486cc832415ce21f75da0b65e522ed

  • SSDEEP

    6144:ue3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:uY5hMfqwTsTKcmTV5kINEx+d

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+bggqw.txt

Family

teslacrypt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/8558F3F2A5143E52 2. http://kkd47eh4hdjshb5t.angortra.at/8558F3F2A5143E52 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/8558F3F2A5143E52 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser 3. Type in the address bar: xlowfznrg4wf7dli.onion/8558F3F2A5143E52 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/8558F3F2A5143E52 http://kkd47eh4hdjshb5t.angortra.at/8558F3F2A5143E52 http://ytrest84y5i456hghadefdsd.pontogrot.com/8558F3F2A5143E52 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/8558F3F2A5143E52
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/8558F3F2A5143E52

http://kkd47eh4hdjshb5t.angortra.at/8558F3F2A5143E52

http://ytrest84y5i456hghadefdsd.pontogrot.com/8558F3F2A5143E52

http://xlowfznrg4wf7dli.ONION/8558F3F2A5143E52

Targets

    • Target

      58999b891c115ca4cd983c9675724890_JaffaCakes118

    • Size

      376KB

    • MD5

      58999b891c115ca4cd983c9675724890

    • SHA1

      8157379d1d1a40de5dfd00ea70c2cacc6b5d2f5e

    • SHA256

      ae50c1a234d07eb39859cf7aea9361d9b54397d477866ae38bb61ad904298315

    • SHA512

      6773b60e8ad7e940724daf5aa81cd1c08c113b4087c6ff69b21a12fd3c684e441007ab2968780ad5c0425a45ee1b2f3b8f486cc832415ce21f75da0b65e522ed

    • SSDEEP

      6144:ue3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:uY5hMfqwTsTKcmTV5kINEx+d

    Score
    10/10
    teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • TeslaCrypt, AlphaCrypt

      Ransomware based on CryptoLocker. Shut down by the developers in 2016.

      ransomwareteslacrypt

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (433) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

3
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks