Overview

overview

10

Static

static

1

c90652f5e3...41.exe

windows7-x64

8

c90652f5e3...41.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c90652f5e3a3cc78a22375d5219cb6f36476233b91a1e3baffb5485e555c6641

  • Size

    914KB

  • Sample

    221128-flhnpaga83

  • MD5

    a922f83acb60e751e87bf1c3aaf31e5c

  • SHA1

    8b494896b4492681e8ce8bb061ddaeaafdd5dd3d

  • SHA256

    c90652f5e3a3cc78a22375d5219cb6f36476233b91a1e3baffb5485e555c6641

  • SHA512

    48a598ded6faea365066296d0e8f6bac5c9cab1b67c09819d0034e8e27d977b30fe5456305680a3663cf731506a3a3b68085c2f117683d9a0a75de8fe6455808

  • SSDEEP

    24576:NV0kocpP0aYXCdo11NyazLtpeLOJl6tHLa:NV0kdZYXTxyazLtpeLO760

Score
10/10
bootkitdiscoverypersistencephishingupx

Malware Config

Targets

    • Target

      c90652f5e3a3cc78a22375d5219cb6f36476233b91a1e3baffb5485e555c6641

    • Size

      914KB

    • MD5

      a922f83acb60e751e87bf1c3aaf31e5c

    • SHA1

      8b494896b4492681e8ce8bb061ddaeaafdd5dd3d

    • SHA256

      c90652f5e3a3cc78a22375d5219cb6f36476233b91a1e3baffb5485e555c6641

    • SHA512

      48a598ded6faea365066296d0e8f6bac5c9cab1b67c09819d0034e8e27d977b30fe5456305680a3663cf731506a3a3b68085c2f117683d9a0a75de8fe6455808

    • SSDEEP

      24576:NV0kocpP0aYXCdo11NyazLtpeLOJl6tHLa:NV0kdZYXTxyazLtpeLO760

    Score
    10/10
    bootkitpersistenceupxdiscoveryphishing

    • Detected phishing page

      phishing

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • 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

    • 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.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks