Overview

overview

9

Static

static

1

a1a2770f79...61.exe

windows7-x64

9

a1a2770f79...61.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    a1a2770f798e13e26cdf7d58c3d9b69e9bedf5496dca0e9ca5d7262a3ff3a961

  • Size

    13.0MB

  • Sample

    221227-wy1yssah5x

  • MD5

    ca24f3a2f3ad46fdc96a039d31b2098c

  • SHA1

    413a16a9ede9250c935b976e94c9217bc8a298f0

  • SHA256

    a1a2770f798e13e26cdf7d58c3d9b69e9bedf5496dca0e9ca5d7262a3ff3a961

  • SHA512

    c820b1c717ebd0aecd5057f10ce800504c0782dc7816ac137cbd51df621169814d3b1882a7f3cb58e18d3d93782e07fbb54c54a3ec7d28bb4a541a34cfdd23cb

  • SSDEEP

    196608:HC2hQ7dzzgCKuuEk/D8WHVj5SYO33tYbXxbgQeNc5SLF84WT2GO38EzZO1:HbQxGdwcYXntEbgQd5SuTTfOc

Score
9/10
bootkitdiscoveryevasionpersistence

Malware Config

Targets

    • Target

      a1a2770f798e13e26cdf7d58c3d9b69e9bedf5496dca0e9ca5d7262a3ff3a961

    • Size

      13.0MB

    • MD5

      ca24f3a2f3ad46fdc96a039d31b2098c

    • SHA1

      413a16a9ede9250c935b976e94c9217bc8a298f0

    • SHA256

      a1a2770f798e13e26cdf7d58c3d9b69e9bedf5496dca0e9ca5d7262a3ff3a961

    • SHA512

      c820b1c717ebd0aecd5057f10ce800504c0782dc7816ac137cbd51df621169814d3b1882a7f3cb58e18d3d93782e07fbb54c54a3ec7d28bb4a541a34cfdd23cb

    • SSDEEP

      196608:HC2hQ7dzzgCKuuEk/D8WHVj5SYO33tYbXxbgQeNc5SLF84WT2GO38EzZO1:HbQxGdwcYXntEbgQd5SuTTfOc

    Score
    9/10
    bootkitdiscoveryevasionpersistence

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

      evasion

    • Executes dropped EXE

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks