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Analysis
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max time kernel
131s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 05:13
Static task
static1
Behavioral task
behavioral1
Sample
fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$TEMP/BetterInstaller.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$TEMP/BetterInstaller.exe
Resource
win10v2004-20240802-en
General
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Target
fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe
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Size
123KB
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MD5
fb937dc853312f620080eff6ff25b9a3
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SHA1
48e299d74ecd7fb658e83a903bb0a3377f8a8666
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SHA256
267dce13a4f087f2f47c6855b142a07b1e81c3714a780af61784a1cc0e2f7b89
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SHA512
8acf8593ed887ba57d2a1d276d5a61122f23a77e54e0aee8b49d8119ae3f31518e4f6e99a98a2dbd92e11ec4974061d413f64b634c64f0c7dd03484acc553367
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SSDEEP
3072:3QIURTXJahM7VWU7+P1Q1oxPwkJWZPlX8qHQ:3sshTI+PDxPw3VQ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2956 BetterInstaller.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BetterInstaller.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2956 BetterInstaller.exe 2956 BetterInstaller.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4540 wrote to memory of 2956 4540 fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe 89 PID 4540 wrote to memory of 2956 4540 fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe 89 PID 4540 wrote to memory of 2956 4540 fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fb937dc853312f620080eff6ff25b9a3_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Users\Admin\AppData\Local\Temp\BetterInstaller.exe"C:\Users\Admin\AppData\Local\Temp\BetterInstaller.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2956
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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=4128,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:81⤵PID:2292
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
207KB
MD5d79b88bab3231ebebd3c6505ab68ce56
SHA13222e8dab740ba1d640cc66a9cd36070969deb80
SHA256d4032354c8ca3b93fd18414d6a7935bcecb18f25534b2259eeaf7d3081ec13ec
SHA512b8afbd52e74d8611714a33bd80a907be8080195bd574ceb0aa8ce44520c9cf6c40ccce4a4db9be0808b8b5a6b7b0fee17ee42f9cca67d69152dd1f1d8ddd99a9