Analysis
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max time kernel
149s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22/08/2024, 00:44
Static task
static1
Behavioral task
behavioral1
Sample
b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe
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Size
242KB
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MD5
b5b1729b9039ea340233aeaf4f4ce0ca
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SHA1
b35ca01720ae18fac494d3a9c296dc6a68a07e5d
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SHA256
d7e3954c7b5bc83926d71cf1c85d00b88c3b104853e81a1408730375266a24dd
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SHA512
f02f316f6c9fbd39ca0aaaf315a1e1ec564da5001e825106eabac128be18ca68702f78ab638eb2a218491d214cc57bb940da5ad1262f631255ad8c1759e6ffa0
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SSDEEP
3072:uiTFg13VTXg6yJNV5x3Kz8z48QRPJ2U2wRGtYZ8Heiw:FK9VLg6yJb5x3K4or2U28Gtw81
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 2 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 b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dw20.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeBackupPrivilege 796 dw20.exe Token: SeBackupPrivilege 796 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4972 wrote to memory of 796 4972 b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe 91 PID 4972 wrote to memory of 796 4972 b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe 91 PID 4972 wrote to memory of 796 4972 b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b5b1729b9039ea340233aeaf4f4ce0ca_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 9282⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:796
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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 --field-trial-handle=4360,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=1296 /prefetch:81⤵PID:1464