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Analysis
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max time kernel
147s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2024, 00:04
Static task
static1
Behavioral task
behavioral1
Sample
e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe
Resource
win10v2004-20240319-en
General
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Target
e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe
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Size
60KB
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MD5
e39b300faf337696bac224f77cbb4181
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SHA1
4c816524f29b0fbcbefdc2c0038b4dfbca5e4fd1
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SHA256
d5a34c9fd0b7f8fc33afbf0dc4f666454f31533d3a95a6e69de8eb2524003314
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SHA512
b10f414a735c25efcf56063ff20ce5e4740c9672b22dedbd678649633485fca764844ab5f9ba9b7a95aeecd1080851ef8cdefb1e3ab2fa8d551a62ebcfc4671f
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SSDEEP
768:FT6N6V3sLiS2tCd50MSCyfYKwtSRcltFO56VL6yjxYRlUYyiKoqQzstdwRt:FHNsLi1Cr0THCSirFO56Ln9YzUsTzRt
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Esent Utl = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\esentutl.exe /waitservice" e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\IEudinit = "C:\\Users\\Admin\\AppData\\Roaming\\ieudinit.exe /waitservice" e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2960 sessmgr.exe -
Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ComRepl = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\comrepl.exe /waitservice" e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4612 wrote to memory of 2960 4612 e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe 94 PID 4612 wrote to memory of 2960 4612 e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe 94 PID 4612 wrote to memory of 2960 4612 e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe"1⤵
- Adds policy Run key to start application
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Users\Admin\LOCALS~1\APPLIC~1\MICROS~1\sessmgr.exeC:\Users\Admin\LOCALS~1\APPLIC~1\MICROS~1\sessmgr.exe /waitservice2⤵
- Executes dropped EXE
PID:2960
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3772 --field-trial-handle=2284,i,13100272738549420251,6151825632958897606,262144 --variations-seed-version /prefetch:81⤵PID:4876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5e39b300faf337696bac224f77cbb4181
SHA14c816524f29b0fbcbefdc2c0038b4dfbca5e4fd1
SHA256d5a34c9fd0b7f8fc33afbf0dc4f666454f31533d3a95a6e69de8eb2524003314
SHA512b10f414a735c25efcf56063ff20ce5e4740c9672b22dedbd678649633485fca764844ab5f9ba9b7a95aeecd1080851ef8cdefb1e3ab2fa8d551a62ebcfc4671f