Overview

overview

8

Static

static

3

49090a6f81...18.exe

windows7-x64

7

49090a6f81...18.exe

windows10-2004-x64

8

Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 17:14

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General

  • Target
    49090a6f81ea36463449b6e94a45dda5_JaffaCakes118.exe
  • Size 840KB
  • Sample241015-vsb7ta1arm
  • SHA256 d471446740ce73cc9c6334258c5985d1eb751f5c2f7d2e0b9d2d27abc44b3738
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
bootkitdiscoverypersistence

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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 33 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
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 11 IoCs
  • 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 data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 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 5 IoCs
  • Suspicious use of WriteProcessMemory 12 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\49090a6f81ea36463449b6e94a45dda5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\49090a6f81ea36463449b6e94a45dda5_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:4300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 720
      2⤵
      • Program crash
      PID:2416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 720
      2⤵
      • Program crash
      PID:2644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1212
      2⤵
      • Program crash
      PID:2380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1212
      2⤵
      • Program crash
      PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1352
      2⤵
      • Program crash
      PID:1264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1364
      2⤵
      • Program crash
      PID:2908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1388
      2⤵
      • Program crash
      PID:2116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1372
      2⤵
      • Program crash
      PID:5016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1424
      2⤵
      • Program crash
      PID:3944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1952
      2⤵
      • Program crash
      PID:3884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1248
      2⤵
      • Program crash
      PID:4860
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4300 -ip 4300
    1⤵
      PID:4696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4300 -ip 4300
      1⤵
        PID:4288
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4300 -ip 4300
        1⤵
          PID:1860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4300 -ip 4300
          1⤵
            PID:3260
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4300 -ip 4300
            1⤵
              PID:3504
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4300 -ip 4300
              1⤵
                PID:3120
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4300 -ip 4300
                1⤵
                  PID:4060
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4300 -ip 4300
                  1⤵
                    PID:3640
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4300 -ip 4300
                    1⤵
                      PID:3868
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:2208
                      • 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:3748
                    • 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:3176
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:900
                      • 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:3344
                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                      1⤵
                      • Drops file in System32 directory
                      • Modifies data under HKEY_USERS
                      • Suspicious use of SetWindowsHookEx
                      PID:396
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:3220
                      • 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:3272
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:1044
                      • 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:4028
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:2752
                      • C:\Windows\system32\sihost.exe
                        sihost.exe
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2588
                        • 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
                          PID:2624
                      • C:\Windows\system32\sihost.exe
                        sihost.exe
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1236
                        • 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 SetWindowsHookEx
                          PID:1568
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4300 -ip 4300
                        1⤵
                          PID:3860
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4300 -ip 4300
                          1⤵
                            PID:4272

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
                                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
                                • Size 471B
                                • SHA256 99730a71fbc33a521a9502f4d924a01512ce1da2d4a3261f63980f44b8c837a7
                                • MD5 SHA1 SHA512
                                Submit Download

                                E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
                                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
                                • Size 420B
                                • SHA256 fb50db147e4f04d313862429e0e9255aff32679c69e273f1a5c018f8fa1c5f2c
                                • MD5 SHA1 SHA512
                                Submit Download

                                IconCache.db
                                • Path C:\Users\Admin\AppData\Local\IconCache.db
                                • Size 14KB
                                • SHA256 2c6de5c642e67edc0ad732b54170c657053be188fbf1273c6877c4c335c53a95
                                • MD5 SHA1 SHA512 SSDEEP
                                Submit Download

                                DiscoverCacheData.dat
                                • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
                                • Size 1022B
                                • SHA256 d9eeb91afb3512c1a8d86c692eba99d0e554bd712af5a7fe8088eceb68e76b09
                                • MD5 SHA1 SHA512
                                Submit Download

                                {AD11B3B3-AE4F-4638-96B2-470C92C6ACA0}.png
                                • Path C:\Users\Admin\AppData\Local\Temp\{AD11B3B3-AE4F-4638-96B2-470C92C6ACA0}.png
                                • Size 6KB
                                • SHA256 8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7
                                • MD5 SHA1 SHA512 SSDEEP
                                Submit Download

                                memory/1568-42-0x0000000003FA0000-0x0000000003FA1000-memory.dmp
                                Download

                                memory/3748-16-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
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                                memory/4028-29-0x0000000004350000-0x0000000004351000-memory.dmp
                                Download

                                memory/4300-8-0x000000000095F000-0x0000000000961000-memory.dmp
                                Download

                                memory/4300-57-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-0-0x000000000095F000-0x0000000000961000-memory.dmp
                                Download

                                memory/4300-7-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-6-0x0000000000400000-0x0000000000A32000-memory.dmp
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                                memory/4300-5-0x0000000000400000-0x0000000000A32000-memory.dmp
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                                memory/4300-1-0x0000000000400000-0x0000000000A32000-memory.dmp
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                                memory/4300-36-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-4-0x0000000000400000-0x0000000000A32000-memory.dmp
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                                memory/4300-3-0x0000000000400000-0x0000000000A32000-memory.dmp
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                                memory/4300-50-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-9-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-58-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-59-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-60-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-63-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-66-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-67-0x0000000000400000-0x0000000000A32000-memory.dmp
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                                memory/4300-70-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-71-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-72-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download

                                memory/4300-73-0x0000000000400000-0x0000000000A32000-memory.dmp
                                Download