Overview

overview

10

Static

static

3

8736b31e13...18.exe

windows7-x64

10

8736b31e13...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8736b31e13bcd6e154dd6ad39b839f8c_JaffaCakes118

  • Size

    384KB

  • Sample

    241102-xzjatasmfy

  • MD5

    8736b31e13bcd6e154dd6ad39b839f8c

  • SHA1

    9135b9746cb37636cd26cbcc73ffd0451a34b426

  • SHA256

    5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

  • SHA512

    1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

  • SSDEEP

    6144:SeVGON09XRWtlggcMOEqmgWqvANwxcLSgL8J4bAvtqjPtW6wU25vB8ynNd98UW:gON09XotWgOfmgLA8cNYQAojtwU2xnv9

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+bwpgu.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EAA1E4C4A8422025 2. http://tes543berda73i48fsdfsd.keratadze.at/EAA1E4C4A8422025 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EAA1E4C4A8422025 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/EAA1E4C4A8422025 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EAA1E4C4A8422025 http://tes543berda73i48fsdfsd.keratadze.at/EAA1E4C4A8422025 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EAA1E4C4A8422025 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/EAA1E4C4A8422025
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EAA1E4C4A8422025

http://tes543berda73i48fsdfsd.keratadze.at/EAA1E4C4A8422025

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EAA1E4C4A8422025

http://xlowfznrg4wf7dli.ONION/EAA1E4C4A8422025

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+vaskb.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/C75A7D5E23D68FE 2. http://tes543berda73i48fsdfsd.keratadze.at/C75A7D5E23D68FE 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/C75A7D5E23D68FE 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/C75A7D5E23D68FE 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/C75A7D5E23D68FE http://tes543berda73i48fsdfsd.keratadze.at/C75A7D5E23D68FE http://tt54rfdjhb34rfbnknaerg.milerteddy.com/C75A7D5E23D68FE *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/C75A7D5E23D68FE
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/C75A7D5E23D68FE

http://tes543berda73i48fsdfsd.keratadze.at/C75A7D5E23D68FE

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/C75A7D5E23D68FE

http://xlowfznrg4wf7dli.ONION/C75A7D5E23D68FE

Targets

    • Target

      8736b31e13bcd6e154dd6ad39b839f8c_JaffaCakes118

    • Size

      384KB

    • MD5

      8736b31e13bcd6e154dd6ad39b839f8c

    • SHA1

      9135b9746cb37636cd26cbcc73ffd0451a34b426

    • SHA256

      5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

    • SHA512

      1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

    • SSDEEP

      6144:SeVGON09XRWtlggcMOEqmgWqvANwxcLSgL8J4bAvtqjPtW6wU25vB8ynNd98UW:gON09XotWgOfmgLA8cNYQAojtwU2xnv9

    Score
    10/10
    teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • TeslaCrypt, AlphaCrypt

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

      ransomwareteslacrypt

    • Teslacrypt family

      teslacrypt

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (422) 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

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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