General

  • Target

    a2458a9f5db85e7c14ca90ef4ea0287d51d56a11173ecbf7af18ffaec1e07978

  • Size

    1.3MB

  • Sample

    221125-h6lbesaf48

  • MD5

    871630d7cd2880715ab79290a09859c7

  • SHA1

    5d733eb1bd95b9e3a5d2b9f5d06d5d9027960391

  • SHA256

    a2458a9f5db85e7c14ca90ef4ea0287d51d56a11173ecbf7af18ffaec1e07978

  • SHA512

    f12244a30bc1ec4be22a9839bc33df7f94c178826f5454c8d42c001f88513d0fa32b921ae5c2a1842d256c3eb39daf738afbdbcecd21220792be17a85c06eac9

  • SSDEEP

    3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

Malware Config

Targets

    • Target

      a2458a9f5db85e7c14ca90ef4ea0287d51d56a11173ecbf7af18ffaec1e07978

    • Size

      1.3MB

    • MD5

      871630d7cd2880715ab79290a09859c7

    • SHA1

      5d733eb1bd95b9e3a5d2b9f5d06d5d9027960391

    • SHA256

      a2458a9f5db85e7c14ca90ef4ea0287d51d56a11173ecbf7af18ffaec1e07978

    • SHA512

      f12244a30bc1ec4be22a9839bc33df7f94c178826f5454c8d42c001f88513d0fa32b921ae5c2a1842d256c3eb39daf738afbdbcecd21220792be17a85c06eac9

    • SSDEEP

      3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

    • 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

    • Disables taskbar notifications 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

12
T1112

Hidden Files and Directories

2
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

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