General

  • Target

    e826.exe

  • Size

    371KB

  • Sample

    210427-c5t29xdlb2

  • MD5

    e38ccca299db41904493bfc51ced614d

  • SHA1

    4b9a2c510913dc92cf8f5f879ab198fe5e54f544

  • SHA256

    fa789f56ef3f5075fc02c53cd937fe1580ae46217cf0a82bd4871043276fb086

  • SHA512

    961b03275cd76f4074e1c622216903678067f6115ce6f004be3c62939a13653891f87718e587a9155de999bf9d7c167a687290b7bab40443cf3395f9486ce654

Score
10/10

Malware Config

Extracted

Path

C:\!!! 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: rootiunik@cock.li 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: rootiunik@cock.li Reserved email: TimothyCrabtree@protonmail.com Your personal ID: DCB-C9B-290 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

rootiunik@cock.li

TimothyCrabtree@protonmail.com

Extracted

Path

C:\!!! 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: rootiunik@cock.li 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: rootiunik@cock.li Reserved email: TimothyCrabtree@protonmail.com Your personal ID: A38-0F7-12B 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

rootiunik@cock.li

TimothyCrabtree@protonmail.com

Targets

    • Target

      e826.exe

    • Size

      371KB

    • MD5

      e38ccca299db41904493bfc51ced614d

    • SHA1

      4b9a2c510913dc92cf8f5f879ab198fe5e54f544

    • SHA256

      fa789f56ef3f5075fc02c53cd937fe1580ae46217cf0a82bd4871043276fb086

    • SHA512

      961b03275cd76f4074e1c622216903678067f6115ce6f004be3c62939a13653891f87718e587a9155de999bf9d7c167a687290b7bab40443cf3395f9486ce654

    Score
    10/10
    • Buran

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

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Deletes itself

    • 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 v6

Defense Evasion

File Deletion

2
T1107

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks