Overview

overview

10

Static

static

10

1.exe

windows7-x64

10

1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1.exe

  • Size

    211KB

  • Sample

    221007-re44wscff6

  • MD5

    298dcc1285045bc397ef95ec583901da

  • SHA1

    0b983d8948b282a76bece44d61e9ac73f10cfd31

  • SHA256

    56871e1fe3b6af154aadd2ab300f0bfc031aea4fab992dbaec57057459a0d754

  • SHA512

    ef296ab179f5578d51ccbbe6b9194e1bd3fd46affa3a14be955e15994b6e902c01b467a962eb0d3548fe510f16c77c73d87bece92b15bc6f89c3e2dd4ffea94a

  • SSDEEP

    6144:gia1gMHOPDWIhID8X/4DQFu/U3buRKlemZ9DnGAetTsB+U+:gIMH06cID84DQFu/U3buRKlemZ9DnGAI

Score
10/10
buranzeppelinpersistenceransomware

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: friendendfriend@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: friendendfriend@cock.li Reserved email: brittonucgm147@gmail.com Your personal ID: 555-B4B-BE1 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

friendendfriend@cock.li

brittonucgm147@gmail.com

Targets

    • Target

      1.exe

    • Size

      211KB

    • MD5

      298dcc1285045bc397ef95ec583901da

    • SHA1

      0b983d8948b282a76bece44d61e9ac73f10cfd31

    • SHA256

      56871e1fe3b6af154aadd2ab300f0bfc031aea4fab992dbaec57057459a0d754

    • SHA512

      ef296ab179f5578d51ccbbe6b9194e1bd3fd46affa3a14be955e15994b6e902c01b467a962eb0d3548fe510f16c77c73d87bece92b15bc6f89c3e2dd4ffea94a

    • SSDEEP

      6144:gia1gMHOPDWIhID8X/4DQFu/U3buRKlemZ9DnGAetTsB+U+:gIMH06cID84DQFu/U3buRKlemZ9DnGAI

    Score
    10/10
    buranzeppelinpersistenceransomware

    • Buran

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

      ransomwareburan

    • Detects Zeppelin payload

    • Zeppelin Ransomware

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

      ransomwarezeppelin

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks