Overview

overview

10

Static

static

3

VirusShare...36.exe

windows10-1703-x64

10

VirusShare...36.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    VirusShare_1a9ab9e924a6856d642bbe88064e4236

  • Size

    418KB

  • Sample

    240928-kvhghazbrc

  • MD5

    1a9ab9e924a6856d642bbe88064e4236

  • SHA1

    d9d445e9dcb8694398c7acb33f38d7261c95321c

  • SHA256

    69155f404a1482e4188726cb0f88b6c6fd6ca94d834b31e05f36e88662281e22

  • SHA512

    f41e93d25fe32248f55dbf5c1c721e4af5d2c28531816955094585a00afa94ea2dab0a6e25191abe8896a2185cdbc535d9dcf3beac14b683d05e1c8c7c6f80b2

  • SSDEEP

    6144:/lhEMsxe34/JTpHIOdX2JOVM8aSC4Zl7rOfT+yIaIWk3HtlE0/Ce+Mx62q2jQ1+d:7ssoJhf8JOqQC4/7CfTk/rsh2jQ1T0jv

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\_RECoVERY_+hjcmb.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/FAA6A892722F429A 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/FAA6A892722F429A 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/FAA6A892722F429A 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/FAA6A892722F429A 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/FAA6A892722F429A http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/FAA6A892722F429A http://yyre45dbvn2nhbefbmh.begumvelic.at/FAA6A892722F429A Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/FAA6A892722F429A
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/FAA6A892722F429A

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/FAA6A892722F429A

http://yyre45dbvn2nhbefbmh.begumvelic.at/FAA6A892722F429A

http://xlowfznrg4wf7dli.ONION/FAA6A892722F429A

Extracted

Path

C:\Program Files\7-Zip\Lang\_RECoVERY_+srvsh.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/46D25A3A68B79412 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/46D25A3A68B79412 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/46D25A3A68B79412 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/46D25A3A68B79412 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/46D25A3A68B79412 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/46D25A3A68B79412 http://yyre45dbvn2nhbefbmh.begumvelic.at/46D25A3A68B79412 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/46D25A3A68B79412
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/46D25A3A68B79412

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/46D25A3A68B79412

http://yyre45dbvn2nhbefbmh.begumvelic.at/46D25A3A68B79412

http://xlowfznrg4wf7dli.ONION/46D25A3A68B79412

Targets

    • Target

      VirusShare_1a9ab9e924a6856d642bbe88064e4236

    • Size

      418KB

    • MD5

      1a9ab9e924a6856d642bbe88064e4236

    • SHA1

      d9d445e9dcb8694398c7acb33f38d7261c95321c

    • SHA256

      69155f404a1482e4188726cb0f88b6c6fd6ca94d834b31e05f36e88662281e22

    • SHA512

      f41e93d25fe32248f55dbf5c1c721e4af5d2c28531816955094585a00afa94ea2dab0a6e25191abe8896a2185cdbc535d9dcf3beac14b683d05e1c8c7c6f80b2

    • SSDEEP

      6144:/lhEMsxe34/JTpHIOdX2JOVM8aSC4Zl7rOfT+yIaIWk3HtlE0/Ce+Mx62q2jQ1+d:7ssoJhf8JOqQC4/7CfTk/rsh2jQ1T0jv

    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 (577) 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

    • 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

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

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