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Overview

overview

8

Static

static

7

63977bfc43...18.exe

windows7-x64

7

63977bfc43...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 14:45

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General

  • Target

    63977bfc43a246a4e4a6df4844824f61_JaffaCakes118.exe

  • Size

    864KB

  • MD5

    63977bfc43a246a4e4a6df4844824f61

  • SHA1

    965d7cda82d03aadd87bd33acaee4d7bef87eb30

  • SHA256

    9152e2bc463bebb62bb872c80267786c6288377dedde6011b2a48493585d7783

  • SHA512

    87dae3961a44a05adc5f51d336879e6ac8d6aa02c8d281b6918bed82b1814fffbc56ed5042dfbcea03478de523a101bdec3bf21d57f7c319660663d919ddc3d4

  • SSDEEP

    24576:SWLaYPdR0MJFOiQBFSutoBfuCnh34THhCFLsrT11BwVdV5V:TWYPX0S0iXukhWoK51BwLN

Score
8/10
bootkitpersistenceupx

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
  • UPX packed file 1 IoCs

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

    upx
  • 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
  • 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.

  • 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 6 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\63977bfc43a246a4e4a6df4844824f61_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\63977bfc43a246a4e4a6df4844824f61_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:3944
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1396
  • 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:3640
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3700
    • 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:2928
  • 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:3208
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1888
    • 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:4868
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4124
    • 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:4008
  • 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:764
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4220
    • 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 SendNotifyMessage
      PID:1368
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • 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 registry class
      • Suspicious use of SetWindowsHookEx
      PID:2500

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

    fababbd9716aeb491cfe7775b3a29f51

    SHA1

    2e5b91bec222d7f4ab560d36077d74baf1374538

    SHA256

    76fe05d3d9bfb83490a5d4560f81aa69499b023bed4ca5c664fbdf7e738e6410

    SHA512

    de4aa104aea9abc62c69c88531018a6ab731590ca0b12852f35d9a485c27a699104b732ea8bdf80dd8a68b6a971a1047c4f80f3b16130abed20a61cef64b63ab

    Download Submit

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

    420B

    MD5

    e92bf95da5fa3f666b2732b4b085f05c

    SHA1

    694dee064441e47f6257483cb320c0ad14ae57fa

    SHA256

    a99786815e8d48dafc2c8e6d33240bd1147d017ef7f4c6520575565c71ea6951

    SHA512

    73616d22508f57894298d8e20d72d8d450cfe5f0dc79792fb15e39865c174e3d87b0acade4cc09b21b2317c036669a7be8ba250a02f5e10a79e793d0368d8df9

    Download Submit

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

    15KB

    MD5

    9acdb54647d8be3a058a25b6563fee88

    SHA1

    c5a11d1bd7fcd22ed8521814f4b0fe4fcd3ce077

    SHA256

    15745281ff0e22eb7bc92dc65835684134ed8b5c685691e9c47d8b93c0f74964

    SHA512

    240306d44c92c4e750ed0bee267d663fdbfd0e2d4364d0f9a4a74af50919013002e29509e4ddafc19a61ea3347defb2713e298024cf1bdb79a12cd2e8a4adf93

    Download Submit

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

    1022B

    MD5

    27164879f802c9b880332fc88cefc814

    SHA1

    aeaec5a302f1bbc01df7f4f2343f6e5e87a1917f

    SHA256

    cef79054949267929130e9d980d09440a83acde2f1a29e7bcdfc3cf487b51ed4

    SHA512

    9e64084aceed9107f7f87546ed1afc71324c1ec52dd037f2babdfa0ea7694c714794e276e35acc26547c7d21d4f4c4885742f4e4c15178b9e117e1817b25b719

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\{93A52E3A-263D-4DE3-A5C8-1887F7D73203}.png
    Filesize

    6KB

    MD5

    099ba37f81c044f6b2609537fdb7d872

    SHA1

    470ef859afbce52c017874d77c1695b7b0f9cb87

    SHA256

    8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

    SHA512

    837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

    Download Submit

  • memory/2500-34-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2928-12-0x0000000003730000-0x0000000003731000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3944-44-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-68-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-2-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-71-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-22-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-1-0x00000000029A0000-0x00000000029B0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3944-5-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-36-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-37-0x00000000029A0000-0x00000000029B0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3944-0-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-45-0x00000000009EB000-0x00000000009EC000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3944-46-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-4-0x00000000009EB000-0x00000000009EC000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3944-6-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-58-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-55-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-56-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-57-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-48-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-63-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-64-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-65-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-47-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-69-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/3944-70-0x0000000000400000-0x0000000000A33000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/4008-21-0x0000000004880000-0x0000000004881000-memory.dmp

    Filesize

    4KB

    Download