Overview

overview

10

Static

static

3

jaffacakes...ic.exe

windows10-2004-x64

10

jaffacakes...ic.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    jaffacakes118_HEUR.Trojan.Win32.Generic.2c354f8807e88fb28ba6f7cd47245890
  • Size 340KB
  • Sample261014-a3333att6j
  • SHA256 67a75f15e3bce2b69039dbf0ec5f657669178f215502bc47023569bce0c94707
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceprivilege_escalationransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\PerfLogs\Recovery+vegvg.txt

  • 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/A51C7DA1F13B350 2. http://tes543berda73i48fsdfsd.keratadze.at/A51C7DA1F13B350 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/A51C7DA1F13B350 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/A51C7DA1F13B350 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/A51C7DA1F13B350 http://tes543berda73i48fsdfsd.keratadze.at/A51C7DA1F13B350 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/A51C7DA1F13B350 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/A51C7DA1F13B350
URLs

  • http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/A51C7DA1F13B350

  • http://tes543berda73i48fsdfsd.keratadze.at/A51C7DA1F13B350

  • http://tt54rfdjhb34rfbnknaerg.milerteddy.com/A51C7DA1F13B350

  • http://xlowfznrg4wf7dli.ONION/A51C7DA1F13B350

Extracted

Path

  • C:\PerfLogs\Recovery+xcesd.txt

  • 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/FE2A5ACC6925BDF4 2. http://tes543berda73i48fsdfsd.keratadze.at/FE2A5ACC6925BDF4 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/FE2A5ACC6925BDF4 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/FE2A5ACC6925BDF4 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/FE2A5ACC6925BDF4 http://tes543berda73i48fsdfsd.keratadze.at/FE2A5ACC6925BDF4 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/FE2A5ACC6925BDF4 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/FE2A5ACC6925BDF4
URLs

  • http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/FE2A5ACC6925BDF4

  • http://tes543berda73i48fsdfsd.keratadze.at/FE2A5ACC6925BDF4

  • http://tt54rfdjhb34rfbnknaerg.milerteddy.com/FE2A5ACC6925BDF4

  • http://xlowfznrg4wf7dli.ONION/FE2A5ACC6925BDF4

Targets

    • Target
      jaffacakes118_HEUR.Trojan.Win32.Generic.2c354f8807e88fb28ba6f7cd47245890
    • Size 340KB
    • SHA256 67a75f15e3bce2b69039dbf0ec5f657669178f215502bc47023569bce0c94707
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionteslacryptimpactpersistenceprivilege_escalationransomwarespywarestealer

    • Family: 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 (1076) 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.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • 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 v16

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
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

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks