Overview

overview

8

Static

static

3

1f8b38e70b...18.exe

windows7-x64

7

1f8b38e70b...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 13:57

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General

  • Target

    1f8b38e70bd9db79b2251a0bea64a784_JaffaCakes118.exe

  • Size

    868KB

  • MD5

    1f8b38e70bd9db79b2251a0bea64a784

  • SHA1

    87aea773b1bec1988b0004edf36b9b6fd334c690

  • SHA256

    0ddbdac8e0edd934941f0509499832df76feb79fb310265826b7684ab0d127f3

  • SHA512

    a70c38a69cd48ee8b28689d27877a2e854896c021a546fa9e8445bf74307826aaecb3706b2d8194622d15e57f1197c0735154f685092dc04042403e9f3859dd1

  • SSDEEP

    24576:jPWt+o/yiZzzUaayyPswt+hCEGxlmxiw2wA:jP++rfaayyswchC3xcUwD

Score
8/10
bootkitpersistence

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 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).

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • 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 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\1f8b38e70bd9db79b2251a0bea64a784_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1f8b38e70bd9db79b2251a0bea64a784_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\ProgramData\isecurity.exe
      C:\ProgramData\isecurity.exe
      2⤵
      • Executes dropped EXE
      • 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:3568
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:400
  • 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:2888
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3284
    • 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:4996
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:872
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5008
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:1268
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • 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:1508
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3832
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:2232
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5016
      • 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:3172
    • 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:736
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
        PID:2128
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2324
        • 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 SendNotifyMessage
          PID:3444
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1580
        • 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
          • Suspicious use of SetWindowsHookEx
          PID:1380

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\ProgramData\isecurity.exe
        Filesize

        842KB

        MD5

        56e17c822b5d41a88edf9a3b5a7b55c9

        SHA1

        934c3627f4b22b6de240e2705b513a1b03153047

        SHA256

        7651c8bd00d9899ab759e1e9e18a9600e27de22ae9143febfcbba553ec5e281a

        SHA512

        9d4abb306cd22aae0d735152e29b175afcd02380e992243a71973ae252039f0f67e45d89e5ca7edfd6d11f8f963a1847f67ee476fd3c012d2972700d022da337

        Download Submit

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

        471B

        MD5

        82540c9cd5a887a5cd58f3d183b69d1f

        SHA1

        ada91f717966c800c8c26ee3c0b6c95c63e1f4b0

        SHA256

        9b43b6258227a4a4f3db2ecf0599c0072f802f5db12232b46dd5f3df01142b1a

        SHA512

        e672001b1ceded517f46e97a55d10d39cc8744aa19436616dff86dd247f0963bd3e3287f9a277f5d6b837a58694bd9a27928d4cafbcaca9082c9e66285a6786a

        Download Submit

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

        420B

        MD5

        2bc2f30bc597e717194fba244f6c01ba

        SHA1

        c23dbcb5af75b691825c53ccaa7c1228e16d3972

        SHA256

        acea47bd7cfe65d916cea5bbed82f9d63930f089b413023c505287d7f0fca3f4

        SHA512

        3130a74500debb89ed3351d77b0dab1d4c062f9a900ea0333542569804f83411459aada77f597c0207468ee6d9657e240252ed41cdfff94f0224c2fa2d6b389c

        Download Submit

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

        1022B

        MD5

        89af29474ebe96d8bfaa4f6790b24d88

        SHA1

        4dd1c19e64b798945ba0951d5a8fd435e1f2b583

        SHA256

        4098b938b81ac730e669220ab52a4f0a770c31d970581bd0899ad96b8ef83667

        SHA512

        75c94c976ecd4420445c1c705805e210e7ae55785add7381e885ca1122e6176224d549fe338ec7fadcd854df7a1115dca1db60173335bd92eb78a42297b14a5a

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\{87CF0BBF-5478-40D5-B8F3-634D54BB046E}.png
        Filesize

        6KB

        MD5

        099ba37f81c044f6b2609537fdb7d872

        SHA1

        470ef859afbce52c017874d77c1695b7b0f9cb87

        SHA256

        8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

        SHA512

        837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

        Download Submit

      • C:\Users\Public\Desktop\Internet Security.lnk
        Filesize

        682B

        MD5

        40a6562b5b546959874e15c77ea898a7

        SHA1

        b567daa1610ee90a56e39f83cbdfc4b6e35f42e2

        SHA256

        b38891755f511a7cb83c21fd08bc83040b41780e0f9350686ed5c54f02f2d7a9

        SHA512

        33b1baf1ab533cb82735ecccc9ae1fe6eca4ab234fc41d1ebb37d509d95105a8162cbb734a1364ee950dd70b05f94f0c8a26db3943db248415bc0b9a898bccc6

        Download Submit

      • memory/728-1-0x0000000000400000-0x000000000050D000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/728-7-0x0000000000400000-0x000000000050D000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/728-0-0x000000000048B000-0x000000000048C000-memory.dmp

        Filesize

        4KB

        Download

      • memory/728-2-0x0000000000400000-0x000000000050D000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1380-42-0x0000000004E50000-0x0000000004E51000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1508-28-0x0000000004100000-0x0000000004101000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3568-44-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-14-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-19-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-18-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-35-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-17-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-16-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-45-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-47-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-46-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-54-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-55-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-56-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-20-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-63-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-64-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-65-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-69-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-72-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-73-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-74-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-77-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-78-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-79-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download

      • memory/3568-80-0x0000000000400000-0x0000000000A39000-memory.dmp

        Filesize

        6.2MB

        Download