Analysis
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max time kernel
150s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
12/10/2024, 04:37
Behavioral task
behavioral1
Sample
3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe
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Size
2.6MB
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MD5
3872c8424f9c64577c514ccbcc2867aa
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SHA1
0a1edbb92922c4ef281bdf88f7a5c3b42a3f1863
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SHA256
490a9ce96a93b966e075fb2cc13db811ff7793ba06c9e3228dfb8055feb958cf
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SHA512
0612072595796d850c01f38d8a5ce1d68bb3303d90740d949f567235a5c0dd853ff2de711dba379163f93b0b24696b7ddd9753b3d71c30c74dc6388a0a48d409
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SSDEEP
49152:tU/5M1X4Wl/YvzYCQR9RQs+C40yZpJaD99Gp:tKq4oEa9RQs+Cn4/UKp
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ svchost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ spoolsv.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ spoolsv.exe -
Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe -
Executes dropped EXE 4 IoCs
pid Process 2116 explorer.exe 2784 spoolsv.exe 2912 svchost.exe 2228 spoolsv.exe -
Loads dropped DLL 4 IoCs
pid Process 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2116 explorer.exe 2784 spoolsv.exe 2912 svchost.exe -
resource yara_rule behavioral1/memory/2412-0-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/files/0x000a000000016ccc-7.dat themida behavioral1/memory/2116-11-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/files/0x0008000000016d1c-16.dat themida behavioral1/memory/2116-22-0x0000000003480000-0x0000000003A97000-memory.dmp themida behavioral1/memory/2784-23-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/files/0x000a000000016d3f-30.dat themida behavioral1/memory/2912-38-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2228-41-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2228-46-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2784-49-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2412-50-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2412-53-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2116-54-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2912-56-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2116-67-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2116-69-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2912-78-0x0000000000400000-0x0000000000A17000-memory.dmp themida behavioral1/memory/2116-79-0x0000000000400000-0x0000000000A17000-memory.dmp themida -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA spoolsv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA spoolsv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorer.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2116 explorer.exe 2784 spoolsv.exe 2912 svchost.exe 2228 spoolsv.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe File opened for modification \??\c:\windows\resources\themes\explorer.exe 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe -
System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2828 schtasks.exe 856 schtasks.exe 2420 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2116 explorer.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2116 explorer.exe 2116 explorer.exe 2116 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2912 svchost.exe 2116 explorer.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 2116 explorer.exe 2116 explorer.exe 2784 spoolsv.exe 2784 spoolsv.exe 2912 svchost.exe 2912 svchost.exe 2228 spoolsv.exe 2228 spoolsv.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2412 wrote to memory of 2116 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 29 PID 2412 wrote to memory of 2116 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 29 PID 2412 wrote to memory of 2116 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 29 PID 2412 wrote to memory of 2116 2412 3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe 29 PID 2116 wrote to memory of 2784 2116 explorer.exe 30 PID 2116 wrote to memory of 2784 2116 explorer.exe 30 PID 2116 wrote to memory of 2784 2116 explorer.exe 30 PID 2116 wrote to memory of 2784 2116 explorer.exe 30 PID 2784 wrote to memory of 2912 2784 spoolsv.exe 31 PID 2784 wrote to memory of 2912 2784 spoolsv.exe 31 PID 2784 wrote to memory of 2912 2784 spoolsv.exe 31 PID 2784 wrote to memory of 2912 2784 spoolsv.exe 31 PID 2912 wrote to memory of 2228 2912 svchost.exe 32 PID 2912 wrote to memory of 2228 2912 svchost.exe 32 PID 2912 wrote to memory of 2228 2912 svchost.exe 32 PID 2912 wrote to memory of 2228 2912 svchost.exe 32 PID 2116 wrote to memory of 2864 2116 explorer.exe 33 PID 2116 wrote to memory of 2864 2116 explorer.exe 33 PID 2116 wrote to memory of 2864 2116 explorer.exe 33 PID 2116 wrote to memory of 2864 2116 explorer.exe 33 PID 2912 wrote to memory of 2828 2912 svchost.exe 34 PID 2912 wrote to memory of 2828 2912 svchost.exe 34 PID 2912 wrote to memory of 2828 2912 svchost.exe 34 PID 2912 wrote to memory of 2828 2912 svchost.exe 34 PID 2912 wrote to memory of 856 2912 svchost.exe 37 PID 2912 wrote to memory of 856 2912 svchost.exe 37 PID 2912 wrote to memory of 856 2912 svchost.exe 37 PID 2912 wrote to memory of 856 2912 svchost.exe 37 PID 2912 wrote to memory of 2420 2912 svchost.exe 39 PID 2912 wrote to memory of 2420 2912 svchost.exe 39 PID 2912 wrote to memory of 2420 2912 svchost.exe 39 PID 2912 wrote to memory of 2420 2912 svchost.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3872c8424f9c64577c514ccbcc2867aa_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2412 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2912 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2228
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 04:40 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2828
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 04:41 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:856
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 04:42 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2420
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe3⤵PID:2864
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.6MB
MD56f26454b201cc5650c4e890dc4d926ba
SHA1bff98a984580c261a2a1e8ab6b7d8d1eee2fdf27
SHA2564a0af19072ef619528f1996852328a4e92a04adece117d115d002f061d95b5b4
SHA51248fc9da1597f872cc6a18b4f52b859d95ea98164af6c44c9e353cc0c18549d66830668b45f18943d5829918006c9568c5273fc20da919d66838a4a60fc6cd4f3
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Filesize
2.6MB
MD5c7b547a810decadeb108a61ff10c1b44
SHA1a5b0b1c0e5defc43b1148df266f837a266fff986
SHA256b9cebce9a1db6f93a1180958c32cbdc792a4d3e930195aa4c150b87d5bb0170f
SHA5120bac7ee6357b73e51281022a8154dfad6090cd933dcb042e7e37480b0aff5c866fb1d4e6ab9835540ffd4cbc6f5ba73de3623bed003fc6b3a7c75f1256e96065
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Filesize
2.6MB
MD5f5ba7846d3a51eda0d435345fa66e20b
SHA12a6e4c51155a074ae2ead1f795d89054c0a0c462
SHA256bfc71d753229c55c0228ce2a77d5c575c4019a5620bcd48d82b2e1c611ef10c7
SHA5123766e5fbb448819194cd5ed695ed0427ca9af695ddd333e9f27783badd6da447fce627e7972c52eaa8a68220b2f83c5316b66849e26e54cc83bb94f39d284d95