Overview

overview

10

Static

static

3

1fe6fdfb77...18.exe

windows7-x64

10

1fe6fdfb77...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1fe6fdfb7796bf1ec5bdf80f86fa9dc5_JaffaCakes118

  • Size

    388KB

  • Sample

    241008-gg93tasapj

  • MD5

    1fe6fdfb7796bf1ec5bdf80f86fa9dc5

  • SHA1

    c4f86755ca60567fedc3a05ce88c4a342219c8b4

  • SHA256

    a878058e1c857a46a565cd950a6e26c2b6d30fca17ef97efb7488625c326aaba

  • SHA512

    22cfa91dfb8f8a885932b269202b4e68da7b94316213f47729b3fc2a10050e7629abe310ffa583ca1211b54dbbc37b040f76442c1c2e774a6dfd79e3fd80d9b6

  • SSDEEP

    6144:nYMk7V7PQkaYO0iNq/PimTBQNEETJYOo0DldfrvwmjcMVW5OouUI5KtrQ8POyU:nnSdO0iNEPn+TGOoYzwscMSOXUIJ

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+kdpef.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/BA1B1583073DEA5 2. http://kkd47eh4hdjshb5t.angortra.at/BA1B1583073DEA5 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/BA1B1583073DEA5 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/BA1B1583073DEA5 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/BA1B1583073DEA5 http://kkd47eh4hdjshb5t.angortra.at/BA1B1583073DEA5 http://ytrest84y5i456hghadefdsd.pontogrot.com/BA1B1583073DEA5 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/BA1B1583073DEA5
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/BA1B1583073DEA5

http://kkd47eh4hdjshb5t.angortra.at/BA1B1583073DEA5

http://ytrest84y5i456hghadefdsd.pontogrot.com/BA1B1583073DEA5

http://xlowfznrg4wf7dli.ONION/BA1B1583073DEA5

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+mkfjc.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/5CA146325A55725 2. http://kkd47eh4hdjshb5t.angortra.at/5CA146325A55725 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/5CA146325A55725 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/5CA146325A55725 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/5CA146325A55725 http://kkd47eh4hdjshb5t.angortra.at/5CA146325A55725 http://ytrest84y5i456hghadefdsd.pontogrot.com/5CA146325A55725 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/5CA146325A55725
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/5CA146325A55725

http://kkd47eh4hdjshb5t.angortra.at/5CA146325A55725

http://ytrest84y5i456hghadefdsd.pontogrot.com/5CA146325A55725

http://xlowfznrg4wf7dli.ONION/5CA146325A55725

Targets

    • Target

      1fe6fdfb7796bf1ec5bdf80f86fa9dc5_JaffaCakes118

    • Size

      388KB

    • MD5

      1fe6fdfb7796bf1ec5bdf80f86fa9dc5

    • SHA1

      c4f86755ca60567fedc3a05ce88c4a342219c8b4

    • SHA256

      a878058e1c857a46a565cd950a6e26c2b6d30fca17ef97efb7488625c326aaba

    • SHA512

      22cfa91dfb8f8a885932b269202b4e68da7b94316213f47729b3fc2a10050e7629abe310ffa583ca1211b54dbbc37b040f76442c1c2e774a6dfd79e3fd80d9b6

    • SSDEEP

      6144:nYMk7V7PQkaYO0iNq/PimTBQNEETJYOo0DldfrvwmjcMVW5OouUI5KtrQ8POyU:nnSdO0iNEPn+TGOoYzwscMSOXUIJ

    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 (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