General

  • Target

    HD-EnableHyperV.exe

  • Size

    24KB

  • Sample

    230316-fb5epsha42

  • MD5

    6c782f5f5a64c0b2d9b1db4c774e416e

  • SHA1

    536d5cf87af69245644efd7c06a06616eee3ff7b

  • SHA256

    adfd47bcff033337b525bbdb2300213dc45344cf4024b5b1cefe3500892e51df

  • SHA512

    364dbd37e4c9bd81ba82f2a5e6c02379dd3b7cd5ec80f25fca0b08c2972c761ee7947e05e7c3ea0b5adc9f7f54df54c77f4406be742cd74749dfaa8ebb064759

  • SSDEEP

    384:IjbMVzPjpeABHWsVI4ASSo/Dkb9lxrZNZBAIqFIYiM8TIrL+Pxh8E9VF0Ny402r:FIWJSBF8IPYiMCrPxWEGf

Malware Config

Targets

    • Target

      HD-EnableHyperV.exe

    • Size

      24KB

    • MD5

      6c782f5f5a64c0b2d9b1db4c774e416e

    • SHA1

      536d5cf87af69245644efd7c06a06616eee3ff7b

    • SHA256

      adfd47bcff033337b525bbdb2300213dc45344cf4024b5b1cefe3500892e51df

    • SHA512

      364dbd37e4c9bd81ba82f2a5e6c02379dd3b7cd5ec80f25fca0b08c2972c761ee7947e05e7c3ea0b5adc9f7f54df54c77f4406be742cd74749dfaa8ebb064759

    • SSDEEP

      384:IjbMVzPjpeABHWsVI4ASSo/Dkb9lxrZNZBAIqFIYiM8TIrL+Pxh8E9VF0Ny402r:FIWJSBF8IPYiMCrPxWEGf

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • 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.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

3
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

4
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Defacement

1
T1491

Tasks