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Overview

overview

8

Static

static

3

2c1b27f472...18.exe

windows7-x64

7

2c1b27f472...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2024, 11:11

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General

  • Target

    2c1b27f472e39407000aec1ef505220f_JaffaCakes118.exe

  • Size

    800KB

  • MD5

    2c1b27f472e39407000aec1ef505220f

  • SHA1

    86414772c748c8164b1ca595ba203398a136ef74

  • SHA256

    9c177d3812d8af379c3e5cc28c20708ee6d2f3197c53e5ce639df115726c8a51

  • SHA512

    91604ac23bc8850e4f3022f3f2b11162017de2726f6f2c39ce8eba0194201491dd8309ac9ec403ce9fa80b13901975742e8f6b21616f6521864cf2f0d0267531

  • SSDEEP

    12288:JizRVUAfQ9bNZU/3b094IftjuMJAyIlrO6DB9NcizDuR8XaOtC:4zRVyq/3gvlXJsO6thPu2XaOt

Score
8/10
bootkitpersistence

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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).

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

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 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 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c1b27f472e39407000aec1ef505220f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2c1b27f472e39407000aec1ef505220f_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:3296
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4208,i,13421008738336098502,1902686380018635081,262144 --variations-seed-version --mojo-platform-channel-handle=3940 /prefetch:8
    1⤵
      PID:1456
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2372
      • 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:3584
    • 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:4756
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
        PID:3188
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2456
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • 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 AdjustPrivilegeToken
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:4720
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:3088
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:4160
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies registry class
          PID:5060
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
        1⤵
          PID:3960
        • 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:3096
        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
          1⤵
            PID:1980
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1256
            • 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:2536
          • 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:3920
          • 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:5092
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1156
            • C:\Windows\explorer.exe
              explorer.exe /LOADSAVEDWINDOWS
              2⤵
              • 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:4476
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4116
            • C:\Windows\explorer.exe
              explorer.exe /LOADSAVEDWINDOWS
              2⤵
              • Modifies registry class
              PID:2124
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
            1⤵
              PID:1808
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3176

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\IconCache.db
                Filesize

                17KB

                MD5

                51d16b760b9db62f9d2580ae247aa57a

                SHA1

                1d4ac8f3cc5120a6de80f08bc52977434a5999c2

                SHA256

                8fd43bf63308c12ba103217e94d47824f2904c837e917d3553f1abdfda2d3aec

                SHA512

                536f78ccc633159938020786d1b3d38b08e4da5b03ee7b95505414f0a5a9c151e95b961b221a7d45a9c90529cac2cc250df804fbcefff2741403517259256a2c

                Download Submit

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

                1022B

                MD5

                acbae7fec36301281f4d1feaf8e68e60

                SHA1

                a133dcfbc5be0ab0d7b6f283a6f919c02580d050

                SHA256

                7f82deaed31a7a4f070f477cb58b33aa6af8baceffc2bfc403ffe0bb22a3a230

                SHA512

                e377c27b1d1fd0ca86b286106e971f8d9bd642a0990768f443280d651a5d46916cc1dd9805853e558246b8d36781d63eb94690ee057bb295d8311ef5a9b13156

                Download Submit

              • C:\Users\Admin\AppData\Local\Temp\{B3A37055-8953-4F9A-98C6-8BA9468C0794}.png
                Filesize

                6KB

                MD5

                099ba37f81c044f6b2609537fdb7d872

                SHA1

                470ef859afbce52c017874d77c1695b7b0f9cb87

                SHA256

                8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

                SHA512

                837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

                Download Submit

              • memory/2536-19-0x0000000004440000-0x0000000004441000-memory.dmp

                Filesize

                4KB

                Download

              • memory/3296-37-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-63-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-6-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-12-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-71-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-5-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-4-0x00000000009F1000-0x00000000009F2000-memory.dmp

                Filesize

                4KB

                Download

              • memory/3296-70-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-3-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-38-0x0000000000D00000-0x0000000000E00000-memory.dmp

                Filesize

                1024KB

                Download

              • memory/3296-1-0x0000000000D00000-0x0000000000E00000-memory.dmp

                Filesize

                1024KB

                Download

              • memory/3296-39-0x00000000009F1000-0x00000000009F2000-memory.dmp

                Filesize

                4KB

                Download

              • memory/3296-46-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-47-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-48-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-55-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-56-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-57-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-58-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-69-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-64-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-65-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3296-68-0x0000000000400000-0x0000000000A27000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/3584-8-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/4476-35-0x0000000002D30000-0x0000000002D31000-memory.dmp

                Filesize

                4KB

                Download

              • memory/4720-14-0x0000000004660000-0x0000000004661000-memory.dmp

                Filesize

                4KB

                Download