Overview

overview

8

Static

static

3

jaffacakes...37.exe

windows10-2004-x64

8

jaffacakes...37.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/09/2026, 22:32

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General

  • Target
    jaffacakes118_ce604c6a81e8b12f1a99024ede4e84eb6436b63d8e36487b87d8d0d047f13937.exe
  • Size 978KB
  • Sample260924-2f14qsysb1
  • SHA256 ce604c6a81e8b12f1a99024ede4e84eb6436b63d8e36487b87d8d0d047f13937
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarebootkitdiscoverypersistencespywareupx

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 2 IoCs
  • 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 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • UPX packed file 3 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 3 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.

  • 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 9 IoCs
  • Suspicious use of WriteProcessMemory 6 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ce604c6a81e8b12f1a99024ede4e84eb6436b63d8e36487b87d8d0d047f13937.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ce604c6a81e8b12f1a99024ede4e84eb6436b63d8e36487b87d8d0d047f13937.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3428
    • 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:3928
  • C:\ProgramData\defender.exe
    C:\ProgramData\defender.exe
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    PID:1652
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3084
    • 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:5008
  • 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:4184
  • 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:3524
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5052
    • 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:4140
  • 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:4564
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4568
    • 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:4288
  • 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:1220
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • 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:3956
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
        PID:4312
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
      1⤵
        PID:440
      • 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:1976
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:1688

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              defender.exe
              • Path C:\ProgramData\defender.exe
              • Size 861KB
              • SHA256 9e15e23b0046e194eeb510e45231883f377cd6c0db5383c58d3e933d8262c5c0
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3
              • Size 1KB
              • SHA256 65c96edffc7bf7cd6479ef7e9617c976e5d9a59e7b6c94d5deb271dee86ada41
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
              • Size 471B
              • SHA256 1b6eea05b731dd2fce70d0006ca86d832068cbc69728380461f1cef89917d317
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3
              • Size 422B
              • SHA256 7245e74a6c441a37894a35014ca66615cdf36936faa184abd61f221749b71082
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
              • Size 412B
              • SHA256 6b2f1f70d9eed828616bf07a5ac6975139fcaa48f040234ecdba852e057faee2
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              DiscoverCacheData.dat
              • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
              • Size 1022B
              • SHA256 49f28d617aff1b84b7c2044b39a3bc54d12004cba88748d5dcf7db7ce94d997c
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              Malware Protection.lnk
              • Path C:\Users\Public\Desktop\Malware Protection.lnk
              • Size 679B
              • SHA256 31f23b4d6662a7980822a1cc594a9cf29df18398e29a329f4d84c9c2fe93988e
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/1652-23-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/1652-25-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/1652-27-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3428-7-0x0000000000404000-0x0000000000405000-memory.dmp
              Download

              memory/3428-0-0x0000000000400000-0x00000000006EA000-memory.dmp
              Download

              memory/3428-2-0x0000000000400000-0x00000000006EA000-memory.dmp
              Download

              memory/3428-1-0x0000000002640000-0x0000000002650000-memory.dmp
              Download

              memory/3428-21-0x0000000000400000-0x00000000006EA000-memory.dmp
              Download

              memory/3928-60-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3928-56-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3928-28-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3928-32-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3928-31-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3928-71-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3928-20-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-19-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-18-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-16-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-17-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3928-70-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-69-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-29-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-68-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-14-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-61-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-62-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-63-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-64-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-65-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-66-0x0000000000400000-0x0000000000A29000-memory.dmp
              Download

              memory/3928-67-0x0000000000400000-0x0000000000A29000-memory.dmp
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              memory/3956-57-0x0000000004410000-0x0000000004411000-memory.dmp
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              memory/4140-49-0x0000000005250000-0x0000000005251000-memory.dmp
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              memory/4288-52-0x0000000004E50000-0x0000000004E51000-memory.dmp
              Download

              memory/5008-40-0x0000000004830000-0x0000000004831000-memory.dmp
              Download