Overview

overview

10

Static

static

3

a265dc8ead...18.exe

windows7-x64

10

a265dc8ead...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a265dc8eadb3cd340233953eaaf4c15c_JaffaCakes118

  • Size

    276KB

  • Sample

    241126-rmmjta1ldj

  • MD5

    a265dc8eadb3cd340233953eaaf4c15c

  • SHA1

    c67a84227d4d85565ab8127f711b2610b014e27b

  • SHA256

    32b673822967ed3f38c8a8f63a21398b6e04a3c3af299ee7d5c03b971015f107

  • SHA512

    2d2fd12cd7e521df87ea47902b7a266cf440385edf02ad1610ec2457384fb2dce41014fdf2347252a9d7667102916ab8a173c36eb4da869e6eb2150c00fd06a4

  • SSDEEP

    6144:i4EoMNAWiA9LBShpOGmt3CImh7dRZQ/f+WNZN0ivkcMM:i1ASx0hpuJmhh/Q/2WN/2nM

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+yqdyp.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/F4F26F6A4B341D10 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/F4F26F6A4B341D10 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/F4F26F6A4B341D10 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/F4F26F6A4B341D10 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F4F26F6A4B341D10 http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/F4F26F6A4B341D10 http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/F4F26F6A4B341D10 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/F4F26F6A4B341D10
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F4F26F6A4B341D10

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/F4F26F6A4B341D10

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/F4F26F6A4B341D10

http://xlowfznrg4wf7dli.ONION/F4F26F6A4B341D10

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+mllba.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/4391D85AF5B5553 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/4391D85AF5B5553 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/4391D85AF5B5553 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/4391D85AF5B5553 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4391D85AF5B5553 http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/4391D85AF5B5553 http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/4391D85AF5B5553 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/4391D85AF5B5553
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4391D85AF5B5553

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/4391D85AF5B5553

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/4391D85AF5B5553

http://xlowfznrg4wf7dli.ONION/4391D85AF5B5553

Targets

    • Target

      a265dc8eadb3cd340233953eaaf4c15c_JaffaCakes118

    • Size

      276KB

    • MD5

      a265dc8eadb3cd340233953eaaf4c15c

    • SHA1

      c67a84227d4d85565ab8127f711b2610b014e27b

    • SHA256

      32b673822967ed3f38c8a8f63a21398b6e04a3c3af299ee7d5c03b971015f107

    • SHA512

      2d2fd12cd7e521df87ea47902b7a266cf440385edf02ad1610ec2457384fb2dce41014fdf2347252a9d7667102916ab8a173c36eb4da869e6eb2150c00fd06a4

    • SSDEEP

      6144:i4EoMNAWiA9LBShpOGmt3CImh7dRZQ/f+WNZN0ivkcMM:i1ASx0hpuJmhh/Q/2WN/2nM

    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 (436) 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