General

  • Target

    e05acea94e72eacc59d3180543957e5c_JaffaCakes118

  • Size

    293KB

  • Sample

    240406-kl25jsee6w

  • MD5

    e05acea94e72eacc59d3180543957e5c

  • SHA1

    633393001e83b72785fce0aebbe1f3290b26c27a

  • SHA256

    9303d30aa5e5468492f198074da31f39485f03d09c0e958199c2eb78ec4d9a47

  • SHA512

    e870dc844740e660da6329ee2b598003621fe7bec9227f49c88b697536a0e1ff4b35de125190672fcdbe9f7fdc3afa48b325149376283e2a45887841ff66f118

  • SSDEEP

    6144:Ll0eMClIYaiZk9H3/r7q4egW1iKR4sR1mvNcJ92NgmDz5br1vIHzG:h/DlIYYrpSnR4sbmvNxgm5brVIHzG

Malware Config

Extracted

Path

C:\$Recycle.Bin\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: payransom500@mail2tor.com and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: payransom500@mail2tor.com Telegram @payransom500 Btc 500$ adress bc1qas8m3c2jv4uyurxacdt99ujj6gp6xt4tqeul8l Your personal ID: 1A6-721-ADF Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

payransom500@mail2tor.com

Extracted

Path

C:\$Recycle.Bin\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: payransom500@mail2tor.com and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: payransom500@mail2tor.com Telegram @payransom500 Btc 500$ adress bc1qas8m3c2jv4uyurxacdt99ujj6gp6xt4tqeul8l Your personal ID: 854-21B-6B8 Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

payransom500@mail2tor.com

Targets

    • Target

      e05acea94e72eacc59d3180543957e5c_JaffaCakes118

    • Size

      293KB

    • MD5

      e05acea94e72eacc59d3180543957e5c

    • SHA1

      633393001e83b72785fce0aebbe1f3290b26c27a

    • SHA256

      9303d30aa5e5468492f198074da31f39485f03d09c0e958199c2eb78ec4d9a47

    • SHA512

      e870dc844740e660da6329ee2b598003621fe7bec9227f49c88b697536a0e1ff4b35de125190672fcdbe9f7fdc3afa48b325149376283e2a45887841ff66f118

    • SSDEEP

      6144:Ll0eMClIYaiZk9H3/r7q4egW1iKR4sR1mvNcJ92NgmDz5br1vIHzG:h/DlIYYrpSnR4sbmvNxgm5brVIHzG

    • Buran

      Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    • Detects Zeppelin payload

    • Zeppelin Ransomware

      Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (7359) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

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

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks