Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 21:35

General

  • Target

    4a1db48566086fbf8018fe15a73261c4_JaffaCakes118.exe

  • Size

    867KB

  • MD5

    4a1db48566086fbf8018fe15a73261c4

  • SHA1

    38221581efc349603c49658e44f94b7cf1b9298a

  • SHA256

    b910d89b26b57d025ef659bc9a3f231b215ddee58d2b7a4a5746785104869ff2

  • SHA512

    d143a08b9200dcf7b21d88339b8fbda33f3169d7f0effb4f563a94110b4075df8c650651ee7d7fd50adc1f2c56817fd26bb06fec84a7a54e2c6d6ea33040b39e

  • SSDEEP

    24576:WN+q4yP7Dl2bLbGHoLeMYaEShf1KBr/OS+4PZA9ARJkDL:o+bWl2LBsfROqP+6If

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 27 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.

  • UPX packed file 1 IoCs

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

  • 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.

  • 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 8 IoCs
  • 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 11 IoCs
  • Suspicious use of WriteProcessMemory 8 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a1db48566086fbf8018fe15a73261c4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4a1db48566086fbf8018fe15a73261c4_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:4448
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1020
  • 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:3984
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2340
    • 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:1340
  • 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:5008
  • 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:1504
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
      PID:3092
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3328
      • 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:432
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3684
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Modifies registry class
        PID:3764
    • 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 AdjustPrivilegeToken
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3940
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
      1⤵
        PID:2060
      • 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:1424
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:1468
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:2940
          • C:\Windows\explorer.exe
            explorer.exe /LOADSAVEDWINDOWS
            2⤵
            • Modifies registry class
            PID:396
        • 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 AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2916
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
          1⤵
            PID:4272

          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

                  fe3282d4e5f228044ae3fd81492f3a05

                  SHA1

                  0bf29227a2db493ee39bdf2e0ca80eaf57285139

                  SHA256

                  99730a71fbc33a521a9502f4d924a01512ce1da2d4a3261f63980f44b8c837a7

                  SHA512

                  b513353c0c2d61eba4a750457553501667eb61211067c9f95c8ee2b02e41e1354930d319ad9c3218da84ef94da594e3cac5764eaa0ecb5add6b0d06bcbf83970

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

                  Filesize

                  420B

                  MD5

                  393d6f6036bcf2941929472f0d0f8fb8

                  SHA1

                  1a53c864b51cad4314163d1428f358228a48eb25

                  SHA256

                  942cd0460bfa5ce982ef00abdb428853e746df4fd6ea6e31475e1d97375ce362

                  SHA512

                  82c43e1b002788996c2093fcefe17fecb4d11a123cb4d0b3f3969d85cf1aaef37cb0ff5a477ea74715330a8964c66604e7f19b88caa5183a3a70e8798ea64961

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

                  Filesize

                  14KB

                  MD5

                  9938898c32bec5d9d414eed320dc9313

                  SHA1

                  e9acb61f69ecfbb82febdbba3959912fe7f536d6

                  SHA256

                  0099019a8e2c7b9e8cc9cdec6069856ca0161b7ec050d1fddb458692aef4c713

                  SHA512

                  5f4987e082a30a882644db4d962827c33c42b939283dfbff9cd873e200a5797588776a6480b5aa6f69f54f7ead0f4004ed843215ab3ccfc2e5f9bd474bc88c26

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

                  Filesize

                  18KB

                  MD5

                  f6b15f4b19a163331a40f38c3b92a269

                  SHA1

                  42881561ea2be159d833521bbf3a7ff751cd350f

                  SHA256

                  9e3aefc3573cea319df31a6b42c1a3005902afb913b6183261c214149598ae2f

                  SHA512

                  f32baa1d2fe8ab5c4435b96ac714db4553ec31bf8f61c343ff5d38e68c12252303d00956922c95658fed92457c4aaeb20fbf9c1f2f3ae807801c284b5328ff15

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

                  Filesize

                  1022B

                  MD5

                  e1e0496137822db5512c5a8837ad4587

                  SHA1

                  6e8b8ca10ae50c1a2e7a5181cbc307106cd3fc82

                  SHA256

                  ef3a1feb723c7bb8462c1a4489684d84ede5775565215550121e357498a9404b

                  SHA512

                  2e096facb571687cb87af842e12f9fed6fdac31d654b8b9bebc2b4037742f8c19aed6f80018bbbb6dbcf008ecee77bfc550cc7cec2380adbb1867c9e1b8e1d3c

                • C:\Users\Admin\AppData\Local\Temp\{17E8CC9B-5FB0-4534-8E32-ABC92840A85C}.png

                  Filesize

                  6KB

                  MD5

                  099ba37f81c044f6b2609537fdb7d872

                  SHA1

                  470ef859afbce52c017874d77c1695b7b0f9cb87

                  SHA256

                  8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

                  SHA512

                  837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

                • memory/1340-13-0x0000000002FE0000-0x0000000002FE1000-memory.dmp

                  Filesize

                  4KB

                • memory/2916-33-0x00000000036B0000-0x00000000036B1000-memory.dmp

                  Filesize

                  4KB

                • memory/3940-25-0x00000000046B0000-0x00000000046B1000-memory.dmp

                  Filesize

                  4KB

                • memory/4448-20-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-62-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-7-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-6-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-12-0x0000000001070000-0x0000000001080000-memory.dmp

                  Filesize

                  64KB

                • memory/4448-21-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-5-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-4-0x00000000009EB000-0x00000000009EC000-memory.dmp

                  Filesize

                  4KB

                • memory/4448-16-0x00000000009EB000-0x00000000009EC000-memory.dmp

                  Filesize

                  4KB

                • memory/4448-2-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-0-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-35-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-17-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-49-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-1-0x0000000001070000-0x0000000001080000-memory.dmp

                  Filesize

                  64KB

                • memory/4448-50-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-51-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-52-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-57-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-58-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-59-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-42-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-63-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-64-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4448-65-0x0000000000400000-0x0000000000A2C000-memory.dmp

                  Filesize

                  6.2MB