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Analysis
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max time kernel
148s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
03/07/2024, 23:15
Static task
static1
Behavioral task
behavioral1
Sample
23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe
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Size
245KB
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MD5
23cd91a86b0216f17a43f4cf4e83ad91
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SHA1
0964aa89476c9af697698395581966b96b7ad7db
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SHA256
c87c6ae948c6be3a176d0ace6079830c98768aef59e4be88d42df6ad543a40e0
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SHA512
96be7cee60d3ff5c2af6d8e2a9c9f58d0a5e2858a74fcc07d013bb8ee6658690724069b2e72eca1104326be7a3dfbd47d5d0235231191e5358de14e11ac8f9ea
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SSDEEP
6144:fWR/rqXnxd3gwtyZNQvxxgYmASciktoV7zrE3Qe:w/qx5gBsvIAScTt2zE3z
Malware Config
Signatures
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Manipulates Digital Signatures 1 TTPs 1 IoCs
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\State = "146944" %d^.u[S=~{l,y-.exe -
resource yara_rule behavioral1/memory/2424-5-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/2424-4-0x0000000000400000-0x0000000000487000-memory.dmp upx behavioral1/memory/1228-10-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-20-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-21-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-22-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-23-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-24-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-26-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-27-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-28-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-29-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-30-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-31-0x0000000000400000-0x0000000000492000-memory.dmp upx behavioral1/memory/1228-32-0x0000000000400000-0x0000000000492000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\PROGRA~3\%d^ %d^.u[S=~{l,y-.exe File opened for modification C:\PROGRA~3\%d^ %d^.u[S=~{l,y-.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 %d^.u[S=~{l,y-.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString %d^.u[S=~{l,y-.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no" %d^.u[S=~{l,y-.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main %d^.u[S=~{l,y-.exe Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\Use FormSuggest = "Yes" %d^.u[S=~{l,y-.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Download %d^.u[S=~{l,y-.exe -
Suspicious behavior: EnumeratesProcesses 63 IoCs
pid Process 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1228 %d^.u[S=~{l,y-.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2424 23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1228 %d^.u[S=~{l,y-.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2424 23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe 1228 %d^.u[S=~{l,y-.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2424 wrote to memory of 1228 2424 23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe 28 PID 2424 wrote to memory of 1228 2424 23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe 28 PID 2424 wrote to memory of 1228 2424 23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe 28 PID 2424 wrote to memory of 1228 2424 23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\23cd91a86b0216f17a43f4cf4e83ad91_JaffaCakes118.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\PROGRA~3\%d^.u[S=~{l,y-.exeC:\PROGRA~3\%d^.u[S=~{l,y-.exe2⤵
- Manipulates Digital Signatures
- Drops file in Program Files directory
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1228
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