Overview

overview

8

Static

static

3

f9cf207552...18.exe

windows7-x64

7

f9cf207552...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 07:30

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    f9cf207552f932459c88e8c05f3b5140_JaffaCakes118.exe

  • Size

    822KB

  • MD5

    f9cf207552f932459c88e8c05f3b5140

  • SHA1

    1f422891a6257e47cf80036ccd67f5673427027d

  • SHA256

    5ccf885d36efe7b67a3559b0efa93dfa87ef3c03621616d9c447f5bfb8a09161

  • SHA512

    59fd7bc5d2243555e020c0fa129a8e2a6205721a820ae87c305873d1ebce1799f0076a380ae6b3dbc756a10e62d65c1794638116f1fa7eb4763f767fdaf804ee

  • SSDEEP

    12288:D8kxBMYVZ+AEuLZQZfiUBdzGAlpTxZEkBvgYCq+FMJXBjDiYsRVOFwv7UchwJB:bxaYVZ+Af+9fGAlpTxZEqYbwBaXOFwN

Score
8/10
bootkitpersistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 3 IoCs
    persistence
  • 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
  • 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 Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 49 IoCs
  • Suspicious behavior: AddClipboardFormatListener 3 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 12 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9cf207552f932459c88e8c05f3b5140_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f9cf207552f932459c88e8c05f3b5140_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:4600
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1632
  • 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:1748
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:3144
  • 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:4716
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:2376
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3228
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding
    1⤵
    • Enumerates connected drives
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2096
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:1672
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
        PID:2896
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:4352
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies Installed Components in the registry
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:3084
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:4216
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies registry class
          PID:3924
      • 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:2444

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Persistence

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Privilege Escalation

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Defense Evasion

      Modify Registry

      3
      T1112

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Credential Access

      Discovery

      Query Registry

      2
      T1012

      Peripheral Device Discovery

      2
      T1120

      System Information Discovery

      3
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Resource Development

      Reconnaissance

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
        Filesize

        471B

        MD5

        d167bef885776a71caa9137918853a44

        SHA1

        938e9840d92645b708450c23ea59d988b79c0f14

        SHA256

        a97ae8fa2227175303e2f3ea42160aced0e5d03108b249f2607aa89d25d78c40

        SHA512

        b79448a89d8f1b8afd68c5d16ac20348d4eee9f49aff3384b2419766f49183b7213e82a57da91230b1b780038fc7d3d6d507913c45e206c53e01745e4fe3ad57

        Download Submit
      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
        Filesize

        412B

        MD5

        e3d6491482b201776b4d806ef37d1468

        SHA1

        8da0d235ed2612c9179d770243ebed70c0b31340

        SHA256

        c816199946a158658f2326c76fb46c7b68c9364eb822c1914d2048800673c169

        SHA512

        5152f40c0f25f7f4f4b76b34df24c32df747ba0548d5b60f0e8ddf9618f5889e358ff71824e408ff71597f6912eeb8eec0fd6ce542553137cb7397513ec2d13b

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

        1022B

        MD5

        c228ae7ccbed06d940705b117246e1c0

        SHA1

        b21376cf061e5f6960061481214fceb589911d36

        SHA256

        6e99dd91865d06783bb9e07ee59e1ac60c4161be1e7af12d51a3d07d8d5002f7

        SHA512

        4c83c78513b8c16a139f1fdbc29a7ed230abf7e4c9171b8e17ba5f9ef5b9d58ccdd1a7e8ec5c138d8fb49c6a630222fb79f1c47981e524bcc454e4159cddbe1e

        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\{248C4824-7312-4E13-95AF-B3517A5BC83D}.png
        Filesize

        6KB

        MD5

        099ba37f81c044f6b2609537fdb7d872

        SHA1

        470ef859afbce52c017874d77c1695b7b0f9cb87

        SHA256

        8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

        SHA512

        837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

        Download Submit
      • memory/3084-20-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/3228-11-0x00000000048C0000-0x00000000048C1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/4600-29-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-38-0x0000000000C40000-0x0000000000C41000-memory.dmp
        Filesize

        4KB

        Download
      • memory/4600-6-0x0000000000C40000-0x0000000000C41000-memory.dmp
        Filesize

        4KB

        Download
      • memory/4600-5-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-4-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-2-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-1-0x0000000000BD0000-0x0000000000BD1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/4600-28-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-0-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-30-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-37-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-12-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-39-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-46-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-47-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-48-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-50-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-55-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-56-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-57-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-60-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-61-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-62-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/4600-63-0x0000000000400000-0x0000000000A33000-memory.dmp
        Filesize

        6.2MB

        Download