Overview

overview

8

Static

static

1

234188e02d...b1.exe

windows7-x64

8

234188e02d...b1.exe

windows10-2004-x64

8

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General

  • Target

    234188e02d7f03fd133c29908866ca3f9bc8f69445940a01aab7c7cd011609b1

  • Size

    214KB

  • Sample

    221127-yqdjmsab9w

  • MD5

    0d23d13446c9227b25fc5289cfab0a94

  • SHA1

    229bc87fcb903916125d6ced64592c92edf97895

  • SHA256

    234188e02d7f03fd133c29908866ca3f9bc8f69445940a01aab7c7cd011609b1

  • SHA512

    c6e51536deba85dfc7a68d45cae4e7df37573b480739bc54c8c48b4bf5d0010c0189b4a8f54d4c84f920bb83d6d0e2c030fe498d2b12c6453eac21e49a798acf

  • SSDEEP

    6144:2e34VMV12FxgVkFZUuWzA3MWYT+vy4hQm:CsOqVk1fc8vy4hh

Score
8/10
bootkitdiscoverypersistenceupx

Malware Config

Targets

    • Target

      234188e02d7f03fd133c29908866ca3f9bc8f69445940a01aab7c7cd011609b1

    • Size

      214KB

    • MD5

      0d23d13446c9227b25fc5289cfab0a94

    • SHA1

      229bc87fcb903916125d6ced64592c92edf97895

    • SHA256

      234188e02d7f03fd133c29908866ca3f9bc8f69445940a01aab7c7cd011609b1

    • SHA512

      c6e51536deba85dfc7a68d45cae4e7df37573b480739bc54c8c48b4bf5d0010c0189b4a8f54d4c84f920bb83d6d0e2c030fe498d2b12c6453eac21e49a798acf

    • SSDEEP

      6144:2e34VMV12FxgVkFZUuWzA3MWYT+vy4hQm:CsOqVk1fc8vy4hh

    Score
    8/10
    bootkitdiscoverypersistenceupx

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Registers COM server for autorun

      persistence

    • Sets DLL path for service in the registry

      persistence

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks