General

  • Target

    2023-05-29_4c6a424ad657cc896926ea9ba095dc77_crysis

  • Size

    92KB

  • Sample

    230530-msm1bahb53

  • MD5

    4c6a424ad657cc896926ea9ba095dc77

  • SHA1

    dcffd7bad08bd5ddd88f9dce66956b329f25fa26

  • SHA256

    017b9f584f114b80d16295204766121250f9178bf7c6bbbc2545f448fdf43cac

  • SHA512

    77007125ba292109ca63dacffca3507276bfa3ec4c0a91bd3d35a13087d19f1e108dbd37caa223e802c11c69d84ca30a1a966387cc0ace1b243e495c6326e1b0

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4ALIuoiaqPZbIz4zQmm+7PAplOLsN4WZ:Qw+asqN5aW/hLNjoT8zF7Pf

Malware Config

Extracted

Path

C:\ProgramData\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 mr.freeze@msgsafe.io YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: mr.freeze@onionmail.org 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

mr.freeze@msgsafe.io

mr.freeze@onionmail.org

Targets

    • Target

      2023-05-29_4c6a424ad657cc896926ea9ba095dc77_crysis

    • Size

      92KB

    • MD5

      4c6a424ad657cc896926ea9ba095dc77

    • SHA1

      dcffd7bad08bd5ddd88f9dce66956b329f25fa26

    • SHA256

      017b9f584f114b80d16295204766121250f9178bf7c6bbbc2545f448fdf43cac

    • SHA512

      77007125ba292109ca63dacffca3507276bfa3ec4c0a91bd3d35a13087d19f1e108dbd37caa223e802c11c69d84ca30a1a966387cc0ace1b243e495c6326e1b0

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4ALIuoiaqPZbIz4zQmm+7PAplOLsN4WZ:Qw+asqN5aW/hLNjoT8zF7Pf

    • 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.

    • Renames multiple (309) files with added filename extension

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

    • Renames multiple (470) files with added filename extension

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

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

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

    • 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

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

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks