Analysis
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max time kernel
115s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/04/2024, 13:25
Static task
static1
Behavioral task
behavioral1
Sample
b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe
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Size
245KB
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MD5
b97a6d46f0bdb4a4f0c5619cb93a1f84
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SHA1
b0b0e29636b449908d347b05a15c28d59f1e8c4d
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SHA256
3780292d1653db6c4e73f5be22a2e19d23c9b8063f4565ef1e7c9dfe57dd48aa
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SHA512
5c9415f534773f034b8cb3bc04a7142009c7b32d04a493ac9152a1b5b709017bcfa2db3db120cb5f3ad62f6749409968aac2f1ec43ae3fdc8c73dae0f6b11039
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SSDEEP
3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8YtkaZgxkd4I:o68i3odBiTl2+TCU/xtkqd4k8KfQl4
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe -
Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\SHARE_TEMP\Icon12.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File opened for modification C:\Windows\winhash_up.exez b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\winhash_up.exe b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon2.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon3.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon6.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon7.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon10.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon14.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\winhash_up.exez b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon5.ico b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe File created C:\Windows\bugMAKER.bat b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 992 cmd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1496 wrote to memory of 992 1496 b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe 93 PID 1496 wrote to memory of 992 1496 b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe 93 PID 1496 wrote to memory of 992 1496 b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:992
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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=4172 --field-trial-handle=2280,i,8281149332300504990,9122875031903898779,262144 --variations-seed-version /prefetch:81⤵PID:4008
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
90B
MD572677309d56dd6de3ece50dac5df4f71
SHA170d5d9a0085c639f58b2fc9416244b15474bd967
SHA25680a9810ab81f65263ecf6785bcf58231d08bc486b8ceaa9368b32769a80b4d00
SHA512a3b69658985e8908c184d6fc9a970371c01e5b21def10f757e9a687ba496d7f118be4a6a0f6a7bdf975406c065c4e2738ac2ac1ec1c23ffabc94e11649265ece