General

  • Target

    ef03ec9954d9643d8d65afc0ace38dae463f1a626584455245f1f733b4991f4a

  • Size

    1.2MB

  • Sample

    201008-yhnf4sv9cn

  • MD5

    0e527383dc50b48d63183e1176c4d79e

  • SHA1

    c1437130dd774db14dd16c45771e7e1a484d5ee5

  • SHA256

    ef03ec9954d9643d8d65afc0ace38dae463f1a626584455245f1f733b4991f4a

  • SHA512

    58a3edde62268c34b2577530b520559c8c8f4f085210703c59c75442b9162e396ea38973302afc3e54d6d546ccd7b246650b4e9aef137d7b7787ab3354aec457

Malware Config

Targets

    • Target

      ef03ec9954d9643d8d65afc0ace38dae463f1a626584455245f1f733b4991f4a

    • Size

      1.2MB

    • MD5

      0e527383dc50b48d63183e1176c4d79e

    • SHA1

      c1437130dd774db14dd16c45771e7e1a484d5ee5

    • SHA256

      ef03ec9954d9643d8d65afc0ace38dae463f1a626584455245f1f733b4991f4a

    • SHA512

      58a3edde62268c34b2577530b520559c8c8f4f085210703c59c75442b9162e396ea38973302afc3e54d6d546ccd7b246650b4e9aef137d7b7787ab3354aec457

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

3
T1490

Defacement

1
T1491

Tasks