Overview

overview

10

Static

static

3

4df3ffbb78...18.exe

windows7-x64

10

4df3ffbb78...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4df3ffbb785795de68dec97206b6a696_JaffaCakes118

  • Size

    484KB

  • Sample

    240517-cbt27aca6v

  • MD5

    4df3ffbb785795de68dec97206b6a696

  • SHA1

    e22f32f3e1371f6deeb39bbffb5fde6a08344c5f

  • SHA256

    1d58c2f7b8364b1d207e39f91138b5079e6368a78312557117fcdc9f38deb87a

  • SHA512

    310bda0a23f780b27937fe6065239326ca1576a3eba7fa7a1867a7d3b56da2dc29c5fcab1daa1e43a991e770a21d6cd208e21b5f551ebf219266315859c03122

  • SSDEEP

    6144:YutAHuAX1/7zv+Ul4s/KFxhNDPPHf2TNhOAL68v6RD/Nqr49Jr:YxHu4/H6xhtPPHf2JhTxvU/4rI

Score
10/10
teslacryptdefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+chvsa.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://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/A820E5B6B0213CBE 2 - http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/A820E5B6B0213CBE 3 - http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/A820E5B6B0213CBE 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/A820E5B6B0213CBE 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/A820E5B6B0213CBE http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/A820E5B6B0213CBE http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/A820E5B6B0213CBE Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/A820E5B6B0213CBE
URLs

http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/A820E5B6B0213CBE

http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/A820E5B6B0213CBE

http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/A820E5B6B0213CBE

http://xlowfznrg4wf7dli.ONION/A820E5B6B0213CBE

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+awkna.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://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/3A391476EB637F65 2 - http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/3A391476EB637F65 3 - http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/3A391476EB637F65 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/3A391476EB637F65 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/3A391476EB637F65 http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/3A391476EB637F65 http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/3A391476EB637F65 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/3A391476EB637F65
URLs

http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/3A391476EB637F65

http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/3A391476EB637F65

http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/3A391476EB637F65

http://xlowfznrg4wf7dli.ONION/3A391476EB637F65

Targets

    • Target

      4df3ffbb785795de68dec97206b6a696_JaffaCakes118

    • Size

      484KB

    • MD5

      4df3ffbb785795de68dec97206b6a696

    • SHA1

      e22f32f3e1371f6deeb39bbffb5fde6a08344c5f

    • SHA256

      1d58c2f7b8364b1d207e39f91138b5079e6368a78312557117fcdc9f38deb87a

    • SHA512

      310bda0a23f780b27937fe6065239326ca1576a3eba7fa7a1867a7d3b56da2dc29c5fcab1daa1e43a991e770a21d6cd208e21b5f551ebf219266315859c03122

    • SSDEEP

      6144:YutAHuAX1/7zv+Ul4s/KFxhNDPPHf2TNhOAL68v6RD/Nqr49Jr:YxHu4/H6xhtPPHf2JhTxvU/4rI

    Score
    10/10
    teslacryptdefense_evasionexecutionimpactpersistenceransomwarespywarestealer

    • 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 (408) 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.

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks