Analysis
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max time kernel
115s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28-06-2024 09:51
Static task
static1
Behavioral task
behavioral1
Sample
19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe
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Size
42KB
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MD5
19b1d13740383d5ef796b22c69ecb912
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SHA1
6aa9e26ddf8c6d2557ec1d2d482bb541224c7d56
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SHA256
69ced07aace8b28b2c8b10ee316e95099c12b1214b46916b3ce120214e93230c
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SHA512
33fceeb9ad4131689d5783c7969e0dbe65bd6a76487b51da69814c2ccbb3f7064caf0ca39b8bc0ab1b1db0d4e5d07b793b4911ac80c708c2b86f85b48f644751
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SSDEEP
768:JLOSDHx0XCobC4T9KFKXRqDqi8Qp02D0g8pPJl5LSnD:JLV72q5IXnLQpX0g8pP/dSD
Malware Config
Signatures
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Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\kusn33sd\ImagePath = "C:\\Windows\\system32\\kusn33sd.exe -j" 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2484 kusn33sd.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\kusn433sd3.dll kusn33sd.exe File created C:\Windows\SysWOW64\kusn33sd.exe 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\kusn33sd.exe 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe File created C:\Windows\SysWOW64\kusn33sd.exe kusn33sd.exe File created C:\Windows\SysWOW64\KillMe.bat 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2484 kusn33sd.exe 2484 kusn33sd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeSystemtimePrivilege 3296 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3296 wrote to memory of 3008 3296 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe 98 PID 3296 wrote to memory of 3008 3296 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe 98 PID 3296 wrote to memory of 3008 3296 19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\19b1d13740383d5ef796b22c69ecb912_JaffaCakes118.exe"1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3296 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\KillMe.bat2⤵PID:3008
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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 --field-trial-handle=3800,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:81⤵PID:5064
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C:\Windows\SysWOW64\kusn33sd.exeC:\Windows\SysWOW64\kusn33sd.exe -j1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2484
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
239B
MD57a643aa945bfd73621b1fd5ca2474117
SHA16f30a945cce14151819d7feb6dbad796944c5227
SHA25677134906e250d7da86405969913c35f6feb4b4ea2671e3b101fef9aaaf325ec9
SHA5124d4726af35249661f78e061ff0f6ef65fd2f393f047077397b3ec95e1d79740c89b26725b7f87b60907cbef9eae03f5c3609c4134347dea89e958b8e5fb07648
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Filesize
42KB
MD519b1d13740383d5ef796b22c69ecb912
SHA16aa9e26ddf8c6d2557ec1d2d482bb541224c7d56
SHA25669ced07aace8b28b2c8b10ee316e95099c12b1214b46916b3ce120214e93230c
SHA51233fceeb9ad4131689d5783c7969e0dbe65bd6a76487b51da69814c2ccbb3f7064caf0ca39b8bc0ab1b1db0d4e5d07b793b4911ac80c708c2b86f85b48f644751