Overview

overview

10

Static

static

3

1d46f87737...18.exe

windows7-x64

10

1d46f87737...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1d46f87737ca1591b52ef272100ccab2_JaffaCakes118

  • Size

    352KB

  • Sample

    241007-nx8y1stekl

  • MD5

    1d46f87737ca1591b52ef272100ccab2

  • SHA1

    e0a0f3c73c3829a71eaf2444d9e71977227a8799

  • SHA256

    a45bd6e5fec24298c6453c29f5046fe9346366da194da4fc26935c5482c58734

  • SHA512

    f5de0eaa8e55d07772f8faa0664ddc10378a630050ca8afbb0c855e066d585459b2fd59d6a3b06f466a0bbd99c2f5f5a5c2c8d52df6a0117f07ff6334a5aa332

  • SSDEEP

    6144:QMeb/EDtpBx1aRXJub19pf3gOURaJmf+ubexB3wLaYZSzvF:QTb/wtN1aRXJg1f3gO9Jm+u2BgeYkzv

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+gqbgm.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/69117E90EA9E84BE 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/69117E90EA9E84BE 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/69117E90EA9E84BE 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/69117E90EA9E84BE 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/69117E90EA9E84BE http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/69117E90EA9E84BE http://yyre45dbvn2nhbefbmh.begumvelic.at/69117E90EA9E84BE Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/69117E90EA9E84BE
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/69117E90EA9E84BE

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/69117E90EA9E84BE

http://yyre45dbvn2nhbefbmh.begumvelic.at/69117E90EA9E84BE

http://xlowfznrg4wf7dli.ONION/69117E90EA9E84BE

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+qirwt.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/F75D8447AF7C01F 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F75D8447AF7C01F 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/F75D8447AF7C01F 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/F75D8447AF7C01F 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F75D8447AF7C01F http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F75D8447AF7C01F http://yyre45dbvn2nhbefbmh.begumvelic.at/F75D8447AF7C01F Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/F75D8447AF7C01F
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F75D8447AF7C01F

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F75D8447AF7C01F

http://yyre45dbvn2nhbefbmh.begumvelic.at/F75D8447AF7C01F

http://xlowfznrg4wf7dli.ONION/F75D8447AF7C01F

Targets

    • Target

      1d46f87737ca1591b52ef272100ccab2_JaffaCakes118

    • Size

      352KB

    • MD5

      1d46f87737ca1591b52ef272100ccab2

    • SHA1

      e0a0f3c73c3829a71eaf2444d9e71977227a8799

    • SHA256

      a45bd6e5fec24298c6453c29f5046fe9346366da194da4fc26935c5482c58734

    • SHA512

      f5de0eaa8e55d07772f8faa0664ddc10378a630050ca8afbb0c855e066d585459b2fd59d6a3b06f466a0bbd99c2f5f5a5c2c8d52df6a0117f07ff6334a5aa332

    • SSDEEP

      6144:QMeb/EDtpBx1aRXJub19pf3gOURaJmf+ubexB3wLaYZSzvF:QTb/wtN1aRXJg1f3gO9Jm+u2BgeYkzv

    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 (569) 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
    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

2
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