Overview

overview

10

Static

static

3

bfb464faec...18.exe

windows7-x64

10

bfb464faec...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bfb464faecb6c1d1938228c68ee61fc2_JaffaCakes118

  • Size

    500KB

  • Sample

    240825-abgqraxblh

  • MD5

    bfb464faecb6c1d1938228c68ee61fc2

  • SHA1

    20ed2de92194ccb2d0a20a9a5f587d2800331ce4

  • SHA256

    93644832403246ebef8a76cac49d010b3864b4472a8a056f9cba66e8be7d55d8

  • SHA512

    359d11ee35717d1fdad942113b5439f4f0c9db5f1ae94896a48d554b957b65c7999c260ce80312125b6b0dd356a0669b4884a3e3d5e8593db03a03b76196d8cd

  • SSDEEP

    6144:knKwYqvjLM36q25h5KdXSEGbXWWjge4R1p120rkv/Sg9/s+hi:xwYqGh205S3WW0TR1p1Po/

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+nnvor.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/61E899A4FF905D7A 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/61E899A4FF905D7A 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/61E899A4FF905D7A 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/61E899A4FF905D7A 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/61E899A4FF905D7A http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/61E899A4FF905D7A http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/61E899A4FF905D7A Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/61E899A4FF905D7A
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/61E899A4FF905D7A

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/61E899A4FF905D7A

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/61E899A4FF905D7A

http://xlowfznrg4wf7dli.ONION/61E899A4FF905D7A

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+rwrsc.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/B8ABB2EE8B9A7339 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/B8ABB2EE8B9A7339 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/B8ABB2EE8B9A7339 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/B8ABB2EE8B9A7339 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B8ABB2EE8B9A7339 http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/B8ABB2EE8B9A7339 http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/B8ABB2EE8B9A7339 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/B8ABB2EE8B9A7339
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B8ABB2EE8B9A7339

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/B8ABB2EE8B9A7339

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/B8ABB2EE8B9A7339

http://xlowfznrg4wf7dli.ONION/B8ABB2EE8B9A7339

Targets

    • Target

      bfb464faecb6c1d1938228c68ee61fc2_JaffaCakes118

    • Size

      500KB

    • MD5

      bfb464faecb6c1d1938228c68ee61fc2

    • SHA1

      20ed2de92194ccb2d0a20a9a5f587d2800331ce4

    • SHA256

      93644832403246ebef8a76cac49d010b3864b4472a8a056f9cba66e8be7d55d8

    • SHA512

      359d11ee35717d1fdad942113b5439f4f0c9db5f1ae94896a48d554b957b65c7999c260ce80312125b6b0dd356a0669b4884a3e3d5e8593db03a03b76196d8cd

    • SSDEEP

      6144:knKwYqvjLM36q25h5KdXSEGbXWWjge4R1p120rkv/Sg9/s+hi:xwYqGh205S3WW0TR1p1Po/

    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 (437) 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

Tasks