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Overview

overview

10

Static

static

3

e3ed211653...ed.exe

windows7-x64

10

e3ed211653...ed.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e3ed211653338adaff59cb0d6161174044018a84b49fa6ee2fab9dccd1221ced.exe

  • Size

    371KB

  • Sample

    250121-mknxmsypey

  • MD5

    c192a273a786b569df2056914faf8327

  • SHA1

    87f24f470d678deae2cade1d3fd12255e796c091

  • SHA256

    e3ed211653338adaff59cb0d6161174044018a84b49fa6ee2fab9dccd1221ced

  • SHA512

    8e036f23c66fbd545fd03aba423a47bf422cee52204fc3a2fb2682fd00a31c2f3e6dc982d01fa30ab2f8ba0b3463a763e403b212f00fe9488b2791dd03629427

  • SSDEEP

    6144:QtttRvGxiRcePUSrcTQ+Yd6v6AlYhZ+ddp5GuZEE86Yrp0eWIxQO6kUUecBlzJbu:EttRveivPrcqd26A+hcdp5GYEE8D3WIe

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+iwxag.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://yyre45dbvn2nhbefbmh.begumvelic.at/7D9EEAD73E82E178 2. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/7D9EEAD73E82E178 3. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/7D9EEAD73E82E178 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/7D9EEAD73E82E178 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://yyre45dbvn2nhbefbmh.begumvelic.at/7D9EEAD73E82E178 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/7D9EEAD73E82E178 http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/7D9EEAD73E82E178 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/7D9EEAD73E82E178
URLs

http://yyre45dbvn2nhbefbmh.begumvelic.at/7D9EEAD73E82E178

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/7D9EEAD73E82E178

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/7D9EEAD73E82E178

http://xlowfznrg4wf7dli.ONION/7D9EEAD73E82E178

Extracted

Path

C:\Program Files\7-Zip\Lang\_RECoVERY_+vdffo.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://yyre45dbvn2nhbefbmh.begumvelic.at/F2D9B1604B5E4638 2. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/F2D9B1604B5E4638 3. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/F2D9B1604B5E4638 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/F2D9B1604B5E4638 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://yyre45dbvn2nhbefbmh.begumvelic.at/F2D9B1604B5E4638 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/F2D9B1604B5E4638 http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/F2D9B1604B5E4638 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/F2D9B1604B5E4638
URLs

http://yyre45dbvn2nhbefbmh.begumvelic.at/F2D9B1604B5E4638

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/F2D9B1604B5E4638

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/F2D9B1604B5E4638

http://xlowfznrg4wf7dli.ONION/F2D9B1604B5E4638

Targets

    • Target

      e3ed211653338adaff59cb0d6161174044018a84b49fa6ee2fab9dccd1221ced.exe

    • Size

      371KB

    • MD5

      c192a273a786b569df2056914faf8327

    • SHA1

      87f24f470d678deae2cade1d3fd12255e796c091

    • SHA256

      e3ed211653338adaff59cb0d6161174044018a84b49fa6ee2fab9dccd1221ced

    • SHA512

      8e036f23c66fbd545fd03aba423a47bf422cee52204fc3a2fb2682fd00a31c2f3e6dc982d01fa30ab2f8ba0b3463a763e403b212f00fe9488b2791dd03629427

    • SSDEEP

      6144:QtttRvGxiRcePUSrcTQ+Yd6v6AlYhZ+ddp5GuZEE86Yrp0eWIxQO6kUUecBlzJbu:EttRveivPrcqd26A+hcdp5GYEE8D3WIe

    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 (407) 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