Overview

overview

8

Static

static

3

a611724dbf...18.exe

windows7-x64

7

a611724dbf...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 08:26

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General

  • Target

    a611724dbf6f7579ca20919e84ceb8de_JaffaCakes118.exe

  • Size

    826KB

  • MD5

    a611724dbf6f7579ca20919e84ceb8de

  • SHA1

    0a7e0d7a2ed0c1ae604d36e2775bc16d545303f5

  • SHA256

    3aa284879e9aeb4c95b5672af1f112e9d2dcb6aa9c0b6f82947fc05efd5d46da

  • SHA512

    60eedf8e5bbac8f4f6c157bc0647286addb96a9f368107379dfe72f0b625d14a73d82498fe7a01bee31b164d5ed34db5ce30b0d2244d35b5441e30a6ac2006b0

  • SSDEEP

    24576:h/OgrC0y3TpcURALl5KyXcdXdM8edSbX7E:o6aPKp8y4TYSbX7

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
  • Executes dropped EXE 1 IoCs
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 4 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 8 IoCs
  • Suspicious use of WriteProcessMemory 13 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\a611724dbf6f7579ca20919e84ceb8de_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a611724dbf6f7579ca20919e84ceb8de_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\ProgramData\privacy.exe
      C:\ProgramData\privacy.exe
      2⤵
      • Executes dropped EXE
      • 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:2380
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1728
  • 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:1100
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1044
    • 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:1036
  • 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:1796
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1056
    • 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:3188
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4372
    • 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:3240
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:456
  • 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 FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:772
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:1228
    • 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:1636
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3236
      • 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:4428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\privacy.exe
      Filesize

      812KB

      MD5

      6369724d14d9c554d771cb31df5ae380

      SHA1

      7261e2e65c01b4582209ffa782ab07feb7558080

      SHA256

      6da1495369cc89ec14a496738e2f44a2bf6da1ab617172494e83f8843d9cb6c2

      SHA512

      86d095ca15ae8a4f7e6a26bcaf4dc4111bc9dbafd7faa4f9cd76081cd2118c12d2de3797f58fccf6c952a5bb0bd9e95160257f09229a42beaead3146e2ff491a

      Download Submit

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

      471B

      MD5

      6658b3e3e2d583b4ba3e225892704717

      SHA1

      7757128b0c9d3a676934ff3ee18ffde255017415

      SHA256

      1e7c891085461a1e4103c999a457cddec2565cedf2f1abda31bee480186b1f2c

      SHA512

      4a04f43c4d82c7067e74e615c3ff376350c8131ae7d9d45ee0d44d7078710e4c1f97fe7b660697ba404265b6ed095c2754792e3c9a6d3790de60488c808a9041

      Download Submit

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

      420B

      MD5

      5f1e298fc6b466e1e61d5ba6422f6b13

      SHA1

      87d59e6005b92494e7a2d3b8a6c0244a45587f51

      SHA256

      a491308eddd9fac6e14125067b9c179ff91f460008bffec817835324e5cf095c

      SHA512

      8c2ce4bd08aa1be51f996781539b2a8e1747d62fe32f313d786cc8e2160bb44d50a377c4745fd136ad591d67931ad83908b7a2951f02526b0fd8e816ead986d8

      Download Submit

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

      18KB

      MD5

      97c86ba4c21f1520ca3277c5fa1dc717

      SHA1

      c0de58ac19d0eac65cfb54a01d9e2f3695addcde

      SHA256

      52a933edb3ed55fcef413b155a4f8d79577e3245b27a9708b2994f8c12ddf14e

      SHA512

      e6c6ba255fe180e1c4b58f0eaba5207be3ccb4312552a650bf31c841a7e2dfb3a807b314a9f88fd95eccd5862288d244005db46014b57c970c5602f70e0d7df2

      Download Submit

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

      1022B

      MD5

      65ee7fad1fe20ccb6a22a24e70566bba

      SHA1

      2cbccd6a828d5198f85bd385f6bf0ac8777d4144

      SHA256

      4aaaee2fbdb2405015b0085675aa922f16c3f41eb0ae91f0fc7a34fa0751a090

      SHA512

      efb95249fd9f7b4f29825c302b4db556b8f5a749ec620e726905c3883948af12261187a4bef85c9584324ae12108a834d69f8f7f56839f5834ab49fc647d44b3

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{59047DB7-0C78-4A32-BA9E-99DAE416CEE1}.png
      Filesize

      6KB

      MD5

      099ba37f81c044f6b2609537fdb7d872

      SHA1

      470ef859afbce52c017874d77c1695b7b0f9cb87

      SHA256

      8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

      SHA512

      837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

      Download Submit

    • C:\Users\Public\Desktop\Privacy Protection.lnk
      Filesize

      672B

      MD5

      0b9c4313843017078130ed5524118477

      SHA1

      0429549afda0d4349460563841828e92439b552b

      SHA256

      d52a31c7e826c620d63f6569fbb0170b6c02a97c4ff052f87e60f76cfb732269

      SHA512

      5dcd08afc1604a89b58d5d2ebebfe1a0e8ec576a2e1ca103ee128477a41fce8b5e9677d81e5e8eacc00e90a31ffd1b11805856e3902933e5c06cb5549322c7ad

      Download Submit

    • memory/772-47-0x00000000040C0000-0x00000000040C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1036-35-0x0000000004A60000-0x0000000004A61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1684-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/1684-27-0x0000000000400000-0x00000000004FB000-memory.dmp

      Filesize

      1004KB

      Download

    • memory/1684-7-0x0000000000404000-0x0000000000405000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1684-2-0x0000000000400000-0x00000000004FB000-memory.dmp

      Filesize

      1004KB

      Download

    • memory/2380-43-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-15-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-20-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-40-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-44-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-19-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-18-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-16-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-85-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-55-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-62-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-32-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-69-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-70-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-71-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-72-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-77-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-78-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-79-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-82-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-83-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/2380-84-0x0000000000400000-0x0000000000A2A000-memory.dmp

      Filesize

      6.2MB

      Download

    • memory/4428-53-0x0000000004C40000-0x0000000004C41000-memory.dmp

      Filesize

      4KB

      Download