General

  • Target

    42ea94ee3adca8b82fba15ecdde25f26.exe

  • Size

    214KB

  • Sample

    201223-5kbygv3ad2

  • MD5

    42ea94ee3adca8b82fba15ecdde25f26

  • SHA1

    ca17412cd44d186db91c4b2fa7df03363533ffd2

  • SHA256

    332bca23e362f6c95326ecc943cb39e93d6fdcf454d72a5e60c9e14f5802ce5a

  • SHA512

    cbec5875fdbcd1182ce9cb87728f36f9a36da032589394b20418229780a2182f6641519fd7545bd812257492a0fd9a68ebfd487d6ec5ebb9e3f666558bb81874

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: uspex1@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: uspex1@cock.li Reserved email: uspex2@cock.li telegram:uspex12345 Your personal ID: 97C-605-5F5 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

uspex1@cock.li

uspex2@cock.li

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: uspex1@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: uspex1@cock.li Reserved email: uspex2@cock.li telegram:uspex12345 Your personal ID: 6F2-647-C8C 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

uspex1@cock.li

uspex2@cock.li

Targets

    • Target

      42ea94ee3adca8b82fba15ecdde25f26.exe

    • Size

      214KB

    • MD5

      42ea94ee3adca8b82fba15ecdde25f26

    • SHA1

      ca17412cd44d186db91c4b2fa7df03363533ffd2

    • SHA256

      332bca23e362f6c95326ecc943cb39e93d6fdcf454d72a5e60c9e14f5802ce5a

    • SHA512

      cbec5875fdbcd1182ce9cb87728f36f9a36da032589394b20418229780a2182f6641519fd7545bd812257492a0fd9a68ebfd487d6ec5ebb9e3f666558bb81874

    • 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.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Deletes itself

    • 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 v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

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