General

  • Target

    b557bf11d82d3d64d028a87584657d25dba0480295ed08447f10c7a579dee048

  • Size

    92KB

  • Sample

    230113-m436nscb2z

  • MD5

    b51dc59f86a48c129a128e04b7444c94

  • SHA1

    a243e2ccfad5f60e505e631626cd72fb0e535907

  • SHA256

    b557bf11d82d3d64d028a87584657d25dba0480295ed08447f10c7a579dee048

  • SHA512

    a994ecf83848ddb4b89d01f0a14461ee097d7c0a988b0b3ea85979142d9f7e370fc6c85d8e3b332a7c13172ccf44b9d7c75f323ee4914abaad6dfb99a510df96

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4ASkHRjH5xbrcGFlbLMw8zuilb0goRTX:Qw+asqN5aW/hL4kHHJbLiz7igcb

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED CRASH Don't worry, you can return all your files! If you want to restore them, write to the mail: netcrash@msgsafe.io YOUR ID netcrash@tuta.io ATTENTION! We recommend you contact us directly to avoid overpaying agents 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

netcrash@msgsafe.io

netcrash@tuta.io

Targets

    • Target

      b557bf11d82d3d64d028a87584657d25dba0480295ed08447f10c7a579dee048

    • Size

      92KB

    • MD5

      b51dc59f86a48c129a128e04b7444c94

    • SHA1

      a243e2ccfad5f60e505e631626cd72fb0e535907

    • SHA256

      b557bf11d82d3d64d028a87584657d25dba0480295ed08447f10c7a579dee048

    • SHA512

      a994ecf83848ddb4b89d01f0a14461ee097d7c0a988b0b3ea85979142d9f7e370fc6c85d8e3b332a7c13172ccf44b9d7c75f323ee4914abaad6dfb99a510df96

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4ASkHRjH5xbrcGFlbLMw8zuilb0goRTX:Qw+asqN5aW/hL4kHHJbLiz7igcb

    • 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.

    • 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