General

  • Target

    90a24a5db1c52046ff692ab44943d860987eb2508dca6d112e4af59f6c99f759

  • Size

    5.6MB

  • Sample

    230302-11kf2sfa59

  • MD5

    59a6cf429b04e27edf026dc9d6c401f5

  • SHA1

    68aa9842635605fbc86c99ed66574ff5dbfa4cb5

  • SHA256

    90a24a5db1c52046ff692ab44943d860987eb2508dca6d112e4af59f6c99f759

  • SHA512

    5396a444e48d49573312905d408210bef5821faad01ace19568465c1e8e5ea10e4ae91111e3ac8cbcf9621ad28673f35979718bba2fe833ef6260aaaf6fc2b63

  • SSDEEP

    98304:AaPlXklTveze0Wl1AeDcn2BlJPD8Nzl2bT8mRaw8GFvuztrxcwmMQ:VR23tnt8NPLwJ+VfmM

Malware Config

Targets

    • Target

      90a24a5db1c52046ff692ab44943d860987eb2508dca6d112e4af59f6c99f759

    • Size

      5.6MB

    • MD5

      59a6cf429b04e27edf026dc9d6c401f5

    • SHA1

      68aa9842635605fbc86c99ed66574ff5dbfa4cb5

    • SHA256

      90a24a5db1c52046ff692ab44943d860987eb2508dca6d112e4af59f6c99f759

    • SHA512

      5396a444e48d49573312905d408210bef5821faad01ace19568465c1e8e5ea10e4ae91111e3ac8cbcf9621ad28673f35979718bba2fe833ef6260aaaf6fc2b63

    • SSDEEP

      98304:AaPlXklTveze0Wl1AeDcn2BlJPD8Nzl2bT8mRaw8GFvuztrxcwmMQ:VR23tnt8NPLwJ+VfmM

    • UAC bypass

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

6
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks