Overview

overview

8

Static

static

5

37c6ecb8e6...18.exe

windows7-x64

7

37c6ecb8e6...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 01:25

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General

  • Target

    37c6ecb8e6bc43dcf00c21c67aafd09c_JaffaCakes118.exe

  • Size

    959KB

  • MD5

    37c6ecb8e6bc43dcf00c21c67aafd09c

  • SHA1

    5ca17e604dd0b92560b47a7a6478ed335c4709bc

  • SHA256

    a2fe8482567058e95c95a12ab3b75ae8242a3b632e82dda442c4afb541c51c08

  • SHA512

    d069ddfd3ad7291c134949ece1bc390f1dd3009d21d84197d1a72d69987a72dd0f2d45180d1e8979653e81ddab1d2fbcdebbf5f2e011fa592cd2b539c1d33d3e

  • SSDEEP

    24576:DoLjn4TlYgLNXAS6sJ8wD/i8ID1lS251SE1Ho0zGRAQ0JJkj/Q8fN2nyiTPu:YjnWlvB8g/TI/RXJ1I0zQQkjkyiTPu

Score
8/10
bootkitdiscoverypersistenceupx

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
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    bootkitpersistence
  • UPX packed file 4 IoCs

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

    upx
  • 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 behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37c6ecb8e6bc43dcf00c21c67aafd09c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\37c6ecb8e6bc43dcf00c21c67aafd09c_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\ProgramData\defender.exe
      C:\ProgramData\defender.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:4000
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4732
    • 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:4700
  • 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:752
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2660
    • 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:4304
  • 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:228
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1812
    • 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:3852
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:4396
    • 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:3028
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3620
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Modifies registry class
        PID:548
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
      1⤵
        PID:4144
      • 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:3664
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:3576

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\defender.exe
          Filesize

          870KB

          MD5

          6fefd32a504bf7b989827e438c5cc9a3

          SHA1

          63cd42e72af4bf9477f6d56dc13f885ab2c37108

          SHA256

          ff2fd07756eab4c7f77b2a30a20a3362d402eb17e40a8b55f1bce7275cccaa72

          SHA512

          c7de4e5fc2c73a0aa18e6108f270f315d8472400db461e4171f22a150a2a5d09d1df33a1fc3fe8558f30b30dcc04f4f06ea3dea979a91f60c2188b741b866324

          Download Submit

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

          16KB

          MD5

          656271a608fb06652be9ee8bd223bd8c

          SHA1

          6a3f6acdf3d5ac280c07870442d06eba5d3e1ed4

          SHA256

          7c897b2c017c3c661234e2ddffb79fd9e1b74953c14fa8998791b77bfca313f4

          SHA512

          94ef8c07f443deb88f4533ca034941cce72089db3c8d9a457e3a63f3440028e9fb7befc4b066aadeb29dc4b36940e9d037440f850080a1d36a88362457df919e

          Download Submit

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

          1022B

          MD5

          76b69d3521d84557da1e65c2941d734b

          SHA1

          bbf30c56a8f315c2228eb4e37f2df084427160e8

          SHA256

          63141271cfac3101c99543b052bbc5e02e1bf0a311e2548b4652315f4221f8c0

          SHA512

          87584747f8a3ee1d19a45484d07d0f2c33dfd0151aec7eca4dbab1ecf63094c3f4d879311a71098bc13bead1a136566cb00194d792cdea417f0bc7b75b62fd53

          Download Submit

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

          679B

          MD5

          78952c1b41d21c0746e2ce7aa19deebf

          SHA1

          45c4874933ea201736cd4d32d70108d74ece7fe6

          SHA256

          e058e72f5fd74fb7bc3cde06d1d80d570410a631b9026e0c80d31ea8e79bb9b7

          SHA512

          53e98abea35a0b1aae8f790201133b8000ddc62a3892299e71e9ca034dd8eb8666eae2250e9fd84ee2115a60179d66d3a64943225f704023d180b2f5db526f53

          Download Submit

        • memory/3028-48-0x0000000004E00000-0x0000000004E01000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4000-56-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-43-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-15-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-18-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-19-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-20-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-65-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-28-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-14-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-30-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-64-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-63-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-35-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-62-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-42-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-17-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-44-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-61-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-60-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-53-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-54-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-55-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-59-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-57-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4000-58-0x0000000000400000-0x0000000000A2B000-memory.dmp

          Filesize

          6.2MB

          Download

        • memory/4304-37-0x00000000042E0000-0x00000000042E1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4384-0-0x0000000000400000-0x00000000006F5000-memory.dmp

          Filesize

          3.0MB

          Download

        • memory/4384-1-0x00000000025F0000-0x0000000002600000-memory.dmp

          Filesize

          64KB

          Download

        • memory/4384-2-0x0000000000400000-0x00000000006F5000-memory.dmp

          Filesize

          3.0MB

          Download

        • memory/4384-7-0x0000000000404000-0x0000000000405000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4384-27-0x0000000000400000-0x00000000006F5000-memory.dmp

          Filesize

          3.0MB

          Download

        • memory/4700-33-0x0000000004D00000-0x0000000004D01000-memory.dmp

          Filesize

          4KB

          Download