Overview

overview

8

Static

static

3

bbfd8c0429...18.exe

windows7-x64

7

bbfd8c0429...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 13:50

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General

  • Target

    bbfd8c042910df936c52384aa65a23f3_JaffaCakes118.exe

  • Size

    808KB

  • MD5

    bbfd8c042910df936c52384aa65a23f3

  • SHA1

    32efb8be78d0b9632360d2e88fb11a7c6940882d

  • SHA256

    f2178fd4825f731c6da5b187450e889ea19911513c138fa96a8192c35c182635

  • SHA512

    6200e2a3b348ccd6e269ce5e25dc9efeb4e717493f6569f95fe351cd2941d8532a52fa168a14c14a7d1d197e4ba6d3372431751b54b6dbe0fc5f23613dac841a

  • SSDEEP

    12288:W5kNmRonbKyi7u9C1JyTBBn5aH8ZT9V0n4wLucv8rgo7u7j/v8awEOU86GX8ltoS:WkmWnbKkw/yzQHE9V0n5ZhklEOHXmi

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
  • 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).

  • 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 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 13 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\bbfd8c042910df936c52384aa65a23f3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bbfd8c042910df936c52384aa65a23f3_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:4488
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:3872
  • 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:216
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3692
    • 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:4036
  • 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:3648
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2292
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:3496
  • 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:2588
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:3804
    • 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:4084
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:5000
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4048
      • 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:4160
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Modifies registry class
        PID:4312
    • 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:4936
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
      1⤵
        PID:60
      • 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:3568
      • 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:1312

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

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

              471B

              MD5

              fde52c0f2c1d262b40b69881a52e10bf

              SHA1

              bdb200e9ffe98b097296014b73511462abb55faa

              SHA256

              cd1bd2de538c0362668e9c9c81792ca842026d4b7551a92eb9a42ab2b74a0cfb

              SHA512

              f9d0fdded705c75c975e4c353eae1a60bc5999883ad96fc8d2edf34367a39ef40d7e98697723fdfc6fe2e16f387e525d6ffae16aa56d224121692042caae2e44

              Download Submit

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

              420B

              MD5

              c93b068acdb9072d3cdb581aed21dc67

              SHA1

              2bb7ba57ba2ef6f92ce03646f638e53d77956eb2

              SHA256

              07604ef60d97cd7254f17a8f4dde5a282219c8d305bc2422441934aae5cd69dd

              SHA512

              99baaabc4d8564b1a9a250f2764a165d0e34fe69abf35f876c8e32ddcb297cf760f174741a4cf7f1db5ef0bc1e5528542627546ce549c2df255d1363cc941990

              Download Submit

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

              17KB

              MD5

              9588f6633be998e05f4b7a037f42ae54

              SHA1

              73befc4aa52f3238df8670343f9d1e4ab19ecc27

              SHA256

              c0e24d6b58c9eb103ef207e28e3d4c387ef33721dd3887e6bbf40dd989556d35

              SHA512

              f89d515787297c5ce73bdee3c2ee6329484e55aa2570f90a363e6eb9c80c1c234cf8e7a1ff781ad8a7a69c26bb27d76bb06a07207844a2cc6f5855ff7159d3ca

              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\{20AB7FC1-4B46-4BF0-8358-E052234BF39E}.png
              Filesize

              6KB

              MD5

              099ba37f81c044f6b2609537fdb7d872

              SHA1

              470ef859afbce52c017874d77c1695b7b0f9cb87

              SHA256

              8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

              SHA512

              837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

              Download Submit

            • memory/1312-63-0x000001CB996F0000-0x000001CB99710000-memory.dmp

              Filesize

              128KB

              Download

            • memory/1312-33-0x000001CB99320000-0x000001CB99340000-memory.dmp

              Filesize

              128KB

              Download

            • memory/1312-43-0x000001CB98DE0000-0x000001CB98E00000-memory.dmp

              Filesize

              128KB

              Download

            • memory/1312-29-0x000001CB98200000-0x000001CB98300000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/2588-20-0x0000000004C50000-0x0000000004C51000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4036-11-0x0000000003FF0000-0x0000000003FF1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4488-14-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-168-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-0-0x0000000002780000-0x0000000002789000-memory.dmp

              Filesize

              36KB

              Download

            • memory/4488-13-0x00000000009F1000-0x00000000009F2000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4488-191-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-12-0x0000000002780000-0x0000000002789000-memory.dmp

              Filesize

              36KB

              Download

            • memory/4488-5-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-4-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-3-0x00000000009F1000-0x00000000009F2000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4488-145-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-1-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-16-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-175-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-176-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-177-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-178-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-183-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-184-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-185-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-188-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-189-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4488-190-0x0000000000400000-0x0000000000A0E000-memory.dmp

              Filesize

              6.1MB

              Download

            • memory/4936-26-0x0000000004260000-0x0000000004261000-memory.dmp

              Filesize

              4KB

              Download