Overview

overview

10

Static

static

3

JaffaCakes...8d.exe

windows7-x64

10

JaffaCakes...8d.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_9f5ee49de5c0c6c17509bf8877ea4c8d

  • Size

    902KB

  • Sample

    250118-eyrxfstkcp

  • MD5

    9f5ee49de5c0c6c17509bf8877ea4c8d

  • SHA1

    84388180e26d0db6c084188d21254f83e9bfed37

  • SHA256

    6400b35a445bb90a013645eab7ea6921d007520946f54eba0af1208a31d5db4a

  • SHA512

    98ba3bd395883a30a1b87f8b12a67963c0737f9b25de7c784aa523392d7a97d7c10fe8ec7541e69ca5144ec11b30e0c66601386288910f193f5d69f79361c6f6

  • SSDEEP

    24576:U0qrkHUeKVb8lc3IKQ2Z8qr92oZSX/2E67O9:U0qr63ah8M92Nl67O

Score
10/10
darkcometdiscoverypersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_9f5ee49de5c0c6c17509bf8877ea4c8d

    • Size

      902KB

    • MD5

      9f5ee49de5c0c6c17509bf8877ea4c8d

    • SHA1

      84388180e26d0db6c084188d21254f83e9bfed37

    • SHA256

      6400b35a445bb90a013645eab7ea6921d007520946f54eba0af1208a31d5db4a

    • SHA512

      98ba3bd395883a30a1b87f8b12a67963c0737f9b25de7c784aa523392d7a97d7c10fe8ec7541e69ca5144ec11b30e0c66601386288910f193f5d69f79361c6f6

    • SSDEEP

      24576:U0qrkHUeKVb8lc3IKQ2Z8qr92oZSX/2E67O9:U0qr63ah8M92Nl67O

    Score
    10/10
    darkcometdiscoverypersistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks