Overview

overview

8

Static

static

5

fc98d0b6b8...18.exe

windows7-x64

7

fc98d0b6b8...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 15:29

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General

  • Target

    fc98d0b6b8e7688583047ef9bddb347c_JaffaCakes118.exe

  • Size

    870KB

  • MD5

    fc98d0b6b8e7688583047ef9bddb347c

  • SHA1

    903b3287ce05977a5260af19b656c946c6c46516

  • SHA256

    3a2a6e3f794d6cd5a19b41201a3bb2503996bc4bc8bdfc97761af41bd987990a

  • SHA512

    5b863cc70c143939600f8cca866b59f7ccc77914f28d65254cb46cfe7bcad2b6bd044ad56e68facfc888789a14ab1888a2a1b1a2d0dc44bb1e1af4e1b047de66

  • SSDEEP

    24576:/EaZp5l50AKF/lX1m5uYM7VuZS1+RLU/19RUHNSBLDbupH:MaLt0AK71m5LZS1+RY1ANaP

Score
8/10
bootkitdiscoverypersistenceupx

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 31 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
  • UPX packed file 1 IoCs

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

    upx
  • 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 Internet Explorer settings 1 TTPs 6 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 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 11 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\fc98d0b6b8e7688583047ef9bddb347c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc98d0b6b8e7688583047ef9bddb347c_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:2980
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:700
  • 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:4600
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3472
    • 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:4776
  • 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:1652
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3100
    • 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:3360
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3284
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3852
    • 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:5092
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4848
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4784
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Modifies registry class
      PID:2812
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
        PID:4316
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2484
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
      1⤵
        PID:1016
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:3812
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
          PID:4004

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          471B

          MD5

          e97f8ff623c9dca38b905f119c583e55

          SHA1

          30d314121e48bef77c20571143e49b778d59e73d

          SHA256

          b8fece7706e939895e00d7df5a754fcdb714eef4cc07a86c5ae54980fa1527f8

          SHA512

          7d2beefe263c576fbc0f1eb0f3023604d9cda7c5f8244d3570aee507046eb8e5bd710ec066ac000e0b72a4cf4ae279102067b781cd5de5a1e7d623631bac6589

          Download Submit

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

          420B

          MD5

          c5475ff1171194b823fe539fc9c2e996

          SHA1

          21cc4621b2df22e18cb6e02c1d5a763906fa5fb8

          SHA256

          3568346cb9b9882fa5b7ca56fa6dea63c8b1bada69676364bba323499779a806

          SHA512

          81c4773b413dd4b359daec39922decd1fdc28b387ba7508605734efe37cbe56bf0b2092ad71423c362bb7e04e046049d7b40da617e2918c922c0c083884369a3

          Download Submit

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

          1022B

          MD5

          d6cac25943e88c04e35f7356bc1e6954

          SHA1

          12029f76adba7b0b32c3e8f83500bf47bed8188f

          SHA256

          b67693ac73c1316b16680a6916cc420c80d89d592e65d3c49ce8f5bf142f5e88

          SHA512

          694c7ccee17e082cc513c4ffd9835877a416c83698e0493a01d5f325601e2f8a282260f3842ecdf3bd96c2a1a2810d197607be4fb55548b918345a722e80b4b0

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\{7D1D9052-BB37-4199-89F7-F6F2C55578D7}.png
          Filesize

          6KB

          MD5

          099ba37f81c044f6b2609537fdb7d872

          SHA1

          470ef859afbce52c017874d77c1695b7b0f9cb87

          SHA256

          8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

          SHA512

          837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

          Download Submit

        • memory/2484-149-0x0000000004390000-0x0000000004391000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2980-170-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-184-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-12-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

          Filesize

          64KB

          Download

        • memory/2980-186-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-15-0x00000000009EB000-0x00000000009EC000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2980-6-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-5-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-4-0x00000000009EB000-0x00000000009EC000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2980-20-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-7-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-22-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-24-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-185-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-173-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-183-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-180-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-179-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-178-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-148-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-2-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-1-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

          Filesize

          64KB

          Download

        • memory/2980-163-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-0-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-171-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/2980-172-0x0000000000400000-0x0000000000A2E000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/3360-21-0x00000000047A0000-0x00000000047A1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4776-14-0x0000000002BF0000-0x0000000002BF1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4784-43-0x00000268E7200000-0x00000268E7220000-memory.dmp

          Filesize

          128KB

          Download

        • memory/4784-60-0x00000268E7600000-0x00000268E7620000-memory.dmp

          Filesize

          128KB

          Download

        • memory/4784-31-0x00000268E6100000-0x00000268E6200000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/4784-35-0x00000268E7240000-0x00000268E7260000-memory.dmp

          Filesize

          128KB

          Download

        • memory/4784-30-0x00000268E6100000-0x00000268E6200000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/5092-27-0x0000000004E30000-0x0000000004E31000-memory.dmp

          Filesize

          4KB

          Download