Resubmissions

14-02-2024 03:46

240214-ebskgagb2t 10

14-02-2024 03:40

240214-d8m6kshc42 10

14-02-2024 03:37

240214-d6vgwafh5v 10

11-09-2020 08:09

200911-rexcktjp1n 10

General

  • Target

    553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d

  • Size

    92KB

  • Sample

    200911-rexcktjp1n

  • MD5

    b075d1e9bc442a09f38d91133cd8c900

  • SHA1

    8829d9ce9067abb421df21c24b31b5e0ffbf5ca6

  • SHA256

    553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d

  • SHA512

    047d0a3535b33e5058f14c4dee97434278327cd9ffe93b373f23ebbf8e5d02374a5af3526050fd78a1758ef67e95d24b403c5393a1cd9036302ae7eed5705957

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\FILES ENCRYPTED.txt

Ransom Note
all your data has been locked us You want to return? write email backmydata@protonmail.com or backmydata@airmail.cc
Emails

backmydata@protonmail.com

backmydata@airmail.cc

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email backmydata@protonmail.com YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: backmydata@airmail.cc 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

backmydata@protonmail.com

backmydata@airmail.cc

Targets

    • Target

      553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d

    • Size

      92KB

    • MD5

      b075d1e9bc442a09f38d91133cd8c900

    • SHA1

      8829d9ce9067abb421df21c24b31b5e0ffbf5ca6

    • SHA256

      553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d

    • SHA512

      047d0a3535b33e5058f14c4dee97434278327cd9ffe93b373f23ebbf8e5d02374a5af3526050fd78a1758ef67e95d24b403c5393a1cd9036302ae7eed5705957

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • 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.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Modifies service

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Modify Existing Service

1
T1031

Defense Evasion

File Deletion

2
T1107

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks