Overview

overview

10

Static

static

3

2b15e8b996...18.exe

windows7-x64

10

2b15e8b996...18.exe

windows10-2004-x64

10

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General

  • Target

    2b15e8b996a5e439f4bb7c9e98a2ae0e_JaffaCakes118

  • Size

    388KB

  • Sample

    241009-fdxsmsydnj

  • MD5

    2b15e8b996a5e439f4bb7c9e98a2ae0e

  • SHA1

    a8dd6a2388e0e75add58a86bc0b72448e969e7c5

  • SHA256

    0349b7b5d9d720f8c454b69716f21346967bfff297ac2f6ceec40ce80747054d

  • SHA512

    ed6e2b79df27034d2f72230db1b3c83ed1d5acdc6cdae3ce9ce456884f682a18cfe6995b7169cb6c7cca668d662d0e72b6bd971799de5e5e0e280df3d089e1d3

  • SSDEEP

    12288:z+QA5i2ipjoMARxOJ7dLQsNeqKLGrDh/:CngLpjoMARxOJJsLLG5/

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+pagxs.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/2D92531C64A6E422 2. http://kkd47eh4hdjshb5t.angortra.at/2D92531C64A6E422 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/2D92531C64A6E422 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/2D92531C64A6E422 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/2D92531C64A6E422 http://kkd47eh4hdjshb5t.angortra.at/2D92531C64A6E422 http://ytrest84y5i456hghadefdsd.pontogrot.com/2D92531C64A6E422 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/2D92531C64A6E422
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/2D92531C64A6E422

http://kkd47eh4hdjshb5t.angortra.at/2D92531C64A6E422

http://ytrest84y5i456hghadefdsd.pontogrot.com/2D92531C64A6E422

http://xlowfznrg4wf7dli.ONION/2D92531C64A6E422

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+edpcn.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/C8C275FE92390A1 2. http://kkd47eh4hdjshb5t.angortra.at/C8C275FE92390A1 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/C8C275FE92390A1 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/C8C275FE92390A1 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/C8C275FE92390A1 http://kkd47eh4hdjshb5t.angortra.at/C8C275FE92390A1 http://ytrest84y5i456hghadefdsd.pontogrot.com/C8C275FE92390A1 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/C8C275FE92390A1
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/C8C275FE92390A1

http://kkd47eh4hdjshb5t.angortra.at/C8C275FE92390A1

http://ytrest84y5i456hghadefdsd.pontogrot.com/C8C275FE92390A1

http://xlowfznrg4wf7dli.ONION/C8C275FE92390A1

Targets

    • Target

      2b15e8b996a5e439f4bb7c9e98a2ae0e_JaffaCakes118

    • Size

      388KB

    • MD5

      2b15e8b996a5e439f4bb7c9e98a2ae0e

    • SHA1

      a8dd6a2388e0e75add58a86bc0b72448e969e7c5

    • SHA256

      0349b7b5d9d720f8c454b69716f21346967bfff297ac2f6ceec40ce80747054d

    • SHA512

      ed6e2b79df27034d2f72230db1b3c83ed1d5acdc6cdae3ce9ce456884f682a18cfe6995b7169cb6c7cca668d662d0e72b6bd971799de5e5e0e280df3d089e1d3

    • SSDEEP

      12288:z+QA5i2ipjoMARxOJ7dLQsNeqKLGrDh/:CngLpjoMARxOJJsLLG5/

    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 (436) 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