Analysis
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max time kernel
150s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
28/06/2024, 12:57
Behavioral task
behavioral1
Sample
1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe
Resource
win7-20240611-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe
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Size
266KB
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MD5
1a34c9f384243c9d7e4a7c1c25585a40
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SHA1
544f06e17a3c26329fd211848f7ec8f162856c99
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SHA256
8cfcd1bda6088cd209dc08ba2bd095c3f5dc1d479a0289f6775ba8731468af25
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SHA512
0ca43f2e50ef8b8cf2bc03a59f47c8d995e3fda82b113a628da0000b7bf6995808bd2e8f60ca8be828d5e1abca1cd51648537ef61e129e260e561ec1e049dbea
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SSDEEP
6144:MNtvF8XI21Yd5GoERiBjeOnnZqestsXDwQPw29a+TBMc+Hutuk/7Rg:AvF81Yd0o0w6hes+XDwQPw29FNMzutu3
Score
8/10
Malware Config
Signatures
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Disables Task Manager via registry modification
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Executes dropped EXE 1 IoCs
pid Process 360 yCtJmFuxrMKCWF.exe -
Loads dropped DLL 2 IoCs
pid Process 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2952-0-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/2952-1-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/files/0x000400000000f6e4-14.dat upx behavioral1/memory/2952-16-0x0000000002350000-0x00000000023B4000-memory.dmp upx behavioral1/memory/360-23-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/2952-24-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/360-25-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral1/memory/2952-26-0x0000000002350000-0x00000000023B4000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\yCtJmFuxrMKCWF.exe = "C:\\ProgramData\\yCtJmFuxrMKCWF.exe" 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum yCtJmFuxrMKCWF.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 yCtJmFuxrMKCWF.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Download 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no" 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2952 wrote to memory of 360 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 31 PID 2952 wrote to memory of 360 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 31 PID 2952 wrote to memory of 360 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 31 PID 2952 wrote to memory of 360 2952 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe 31 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" 1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1a34c9f384243c9d7e4a7c1c25585a40_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2952 -
C:\ProgramData\yCtJmFuxrMKCWF.exeC:\ProgramData\yCtJmFuxrMKCWF.exe2⤵
- Executes dropped EXE
- Maps connected drives based on registry
PID:360
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
266KB
MD51a34c9f384243c9d7e4a7c1c25585a40
SHA1544f06e17a3c26329fd211848f7ec8f162856c99
SHA2568cfcd1bda6088cd209dc08ba2bd095c3f5dc1d479a0289f6775ba8731468af25
SHA5120ca43f2e50ef8b8cf2bc03a59f47c8d995e3fda82b113a628da0000b7bf6995808bd2e8f60ca8be828d5e1abca1cd51648537ef61e129e260e561ec1e049dbea