General

  • Target

    5f50b35b511889ab3ae1721c84f1d4efef95a34d14b2420c5d1592d36b6d755e

  • Size

    296KB

  • Sample

    221126-2mrtmseb5z

  • MD5

    4de73593b1c39d2e91c024863935b453

  • SHA1

    177a756554cf61a7c984c9b34797b1a7706c99c2

  • SHA256

    5f50b35b511889ab3ae1721c84f1d4efef95a34d14b2420c5d1592d36b6d755e

  • SHA512

    5073cbb81bd2fc8384095caf159116507ec6ace6e8e910908faeb6fa2cd82bd21dcc4b3e0972aed33b817369d3ee40064abd45ca90c53d7ec66b69f1ecceeac2

  • SSDEEP

    1536:7I17SYMoQEeZ3tmnunbHq7eOHc3Hbuk93VMjBmGQSbcW+gZ372Fc0h:i4otehtmnuLqdHguq3pGz4W+g

Malware Config

Targets

    • Target

      5f50b35b511889ab3ae1721c84f1d4efef95a34d14b2420c5d1592d36b6d755e

    • Size

      296KB

    • MD5

      4de73593b1c39d2e91c024863935b453

    • SHA1

      177a756554cf61a7c984c9b34797b1a7706c99c2

    • SHA256

      5f50b35b511889ab3ae1721c84f1d4efef95a34d14b2420c5d1592d36b6d755e

    • SHA512

      5073cbb81bd2fc8384095caf159116507ec6ace6e8e910908faeb6fa2cd82bd21dcc4b3e0972aed33b817369d3ee40064abd45ca90c53d7ec66b69f1ecceeac2

    • SSDEEP

      1536:7I17SYMoQEeZ3tmnunbHq7eOHc3Hbuk93VMjBmGQSbcW+gZ372Fc0h:i4otehtmnuLqdHguq3pGz4W+g

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options in registry

    • UPX packed file

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

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

13
T1112

Hidden Files and Directories

2
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks