Overview

overview

10

Static

static

3

5ef1fdd422...18.exe

windows7-x64

10

5ef1fdd422...18.exe

windows10-2004-x64

10

Resubmissions

20-10-2024 16:47

241020-vaj5ps1blj 10

19-10-2024 22:18

241019-172znsvajm 10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    5ef1fdd422951c153db8c39b87e84e5d_JaffaCakes118

  • Size

    356KB

  • Sample

    241019-172znsvajm

  • MD5

    5ef1fdd422951c153db8c39b87e84e5d

  • SHA1

    a89966004343653b2d20c06b373b1390ed0450d3

  • SHA256

    b5a35f6dc7bc0708cfa5b5fb39472509eb81c22ccd93bdb563305164381a1d3e

  • SHA512

    94a775ab67babe692fd6cc6c597453f3607e39627579ec82575025a1c1aa3015a108418852a64d84e4fb8c2a5ef4b5619284b25d52a5790b5e3ef11153c11871

  • SSDEEP

    6144:nOWcl+ocAAe1EAnT43osv0pnzKK+PDncAuLELquaWVzsHA93Wo8nswPm22fwh:nFeq0F+PzcOLyWRsHA93/oswe

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+ddrwy.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 RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 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://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4EF4ED8C821A875E 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/4EF4ED8C821A875E 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/4EF4ED8C821A875E 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/4EF4ED8C821A875E 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4EF4ED8C821A875E http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/4EF4ED8C821A875E http://yyre45dbvn2nhbefbmh.begumvelic.at/4EF4ED8C821A875E Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/4EF4ED8C821A875E
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4EF4ED8C821A875E

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/4EF4ED8C821A875E

http://yyre45dbvn2nhbefbmh.begumvelic.at/4EF4ED8C821A875E

http://xlowfznrg4wf7dli.ONION/4EF4ED8C821A875E

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+hphte.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 RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 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://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9C1E355595DD6A 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9C1E355595DD6A 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/9C1E355595DD6A 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/9C1E355595DD6A 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9C1E355595DD6A http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9C1E355595DD6A http://yyre45dbvn2nhbefbmh.begumvelic.at/9C1E355595DD6A Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/9C1E355595DD6A
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9C1E355595DD6A

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9C1E355595DD6A

http://yyre45dbvn2nhbefbmh.begumvelic.at/9C1E355595DD6A

http://xlowfznrg4wf7dli.ONION/9C1E355595DD6A

Targets

    • Target

      5ef1fdd422951c153db8c39b87e84e5d_JaffaCakes118

    • Size

      356KB

    • MD5

      5ef1fdd422951c153db8c39b87e84e5d

    • SHA1

      a89966004343653b2d20c06b373b1390ed0450d3

    • SHA256

      b5a35f6dc7bc0708cfa5b5fb39472509eb81c22ccd93bdb563305164381a1d3e

    • SHA512

      94a775ab67babe692fd6cc6c597453f3607e39627579ec82575025a1c1aa3015a108418852a64d84e4fb8c2a5ef4b5619284b25d52a5790b5e3ef11153c11871

    • SSDEEP

      6144:nOWcl+ocAAe1EAnT43osv0pnzKK+PDncAuLELquaWVzsHA93Wo8nswPm22fwh:nFeq0F+PzcOLyWRsHA93/oswe

    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