Overview

overview

8

Static

static

3

dc7460db68...18.exe

windows7-x64

7

dc7460db68...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 14:51

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General

  • Target

    dc7460db68ab9edf7ea36d35585c411a_JaffaCakes118.exe

  • Size

    798KB

  • MD5

    dc7460db68ab9edf7ea36d35585c411a

  • SHA1

    f44e33376f2a5ea3966c201b373549cc7df3f9d3

  • SHA256

    b53ca4fb375cbf8bdf915f73fa33fc9d754d61dfedc401c3ceec63b829ffa260

  • SHA512

    a2f5fd75bb29d83b8cfe2b69af730ce77882f354288846fa03aee74052ce9447ba614a86eec956af70f1595291f044098ecad3cfa1584284d67354b8cca13895

  • SSDEEP

    12288:qttVdNyDrdcC6B43isByH4No4/WCp0fLDYlT2rBPOzYU8nFZiZ5DA1r:qfV/yDrvt3iayHaOCKTFWkVsQ1

Score
8/10
bootkitdiscoverypersistence

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 29 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc7460db68ab9edf7ea36d35585c411a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dc7460db68ab9edf7ea36d35585c411a_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4568
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:5072
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3492
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4164
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4376
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
      PID:5076
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SendNotifyMessage
        PID:2192
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:4148
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SendNotifyMessage
        PID:4612
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:3380
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SendNotifyMessage
          PID:4640
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:5020
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4260

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
              Filesize

              471B

              MD5

              2a7292a597beea6221b3d02c5305cd2c

              SHA1

              1cccbb80c471bd77ccfab83120a4e09784e05d19

              SHA256

              f0e5812400121b1c1229f86cf48f726e634e6ed4fa7db34c709f32e9f105e1a7

              SHA512

              0c3dc695c50e44fdd0c8feb87296911918fdc722ce8b5eddcec237007c2ab8e55fc056a2518a496cf90b75db3d22491da8e089ed78712f1bbcd9065516608bf8

              Download Submit

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
              Filesize

              420B

              MD5

              0fccb2fa9c24843adbb898570f1dcdbe

              SHA1

              5b8e0c8f1007a6700651be42fb66c15be0a60801

              SHA256

              1a3c56e84c6c304a8dfcf16332502883badb73562853c0a3eff204bfe5e7b6f8

              SHA512

              0bc06010fb162964e7a93ec47ea3899bf8d7ff8b71b2bb65330a91753d605456da334d1ddce72504b2b441681a479d86921442119c727f8e25bac2402578bc08

              Download Submit

            • C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
              Filesize

              1022B

              MD5

              2941b638191a6b3dde515a750ac1ecf2

              SHA1

              561fceb7d9c85a6132c2344507de84d6e82d3115

              SHA256

              4fde741c73f44f861374ae61fb9c818638d6618ab797a513e6d3ec4ee4769259

              SHA512

              f0cb320ed84919c98988ff9e15266a065e0c1dc01f96b56c57f8f7be40f99d2486ab80437e619cef0282e2f933ba42a4f8ebf24cb0a2429333058b1a4ef6602e

              Download Submit

            • C:\Users\Admin\AppData\Local\Temp\{F18FB06A-9CFB-42E1-8538-46C3E330075F}.png
              Filesize

              6KB

              MD5

              099ba37f81c044f6b2609537fdb7d872

              SHA1

              470ef859afbce52c017874d77c1695b7b0f9cb87

              SHA256

              8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

              SHA512

              837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

              Download Submit

            • memory/4164-10-0x0000000004A60000-0x0000000004A61000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4260-31-0x0000000002B10000-0x0000000002B11000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4568-23-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-50-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-16-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-14-0x0000000002960000-0x0000000002969000-memory.dmp

              Filesize

              36KB

              Download

            • memory/4568-5-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-4-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-63-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-24-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-0-0x0000000002960000-0x0000000002969000-memory.dmp

              Filesize

              36KB

              Download

            • memory/4568-3-0x00000000009F1000-0x00000000009F2000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4568-1-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-39-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-40-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-47-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-48-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-49-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-15-0x00000000009F1000-0x00000000009F2000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4568-55-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-56-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-57-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-60-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-61-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4568-62-0x0000000000400000-0x0000000000B08000-memory.dmp

              Filesize

              7.0MB

              Download

            • memory/4612-22-0x00000000034C0000-0x00000000034C1000-memory.dmp

              Filesize

              4KB

              Download