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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14/09/2024, 08:02
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe
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Size
42KB
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MD5
e07c67e8a3418814665ef1332276f1de
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SHA1
62e1e32dd9d3d2d42e810015a71b6e2cb79fc664
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SHA256
44362cb9a5da7e15b8f0d893a527598ffd03a613de3c77d873db701d4da2e18b
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SHA512
3d9eb57a2fddb552b0f84b85505926b3e87661a5135703ff63b83f816358a0a4d9231cbbf183453bc629e0241f20fc87709d14525a38b8644b1be4785b16922b
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95q:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFg
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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2768 asih.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 2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5092 wrote to memory of 2768 5092 2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe 92 PID 5092 wrote to memory of 2768 5092 2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe 92 PID 5092 wrote to memory of 2768 5092 2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-14_e07c67e8a3418814665ef1332276f1de_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2768
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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=2820,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:81⤵PID:4628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD564ef4c78bbf5cb3b105488ba06dcc511
SHA1be9bdd9fa62fe1a2774d10f890b4703dd588dca3
SHA256d8abd9e6afcf3118bdb250cf2a0de31f020d44ebf111a3ae070e9827fa3a88bf
SHA512e9cd00112c0a949ab8772a443d98a9af137480f51886f8c255b5a199bcd4b75dd7951a29e5939a8ea59be802e43c7da79eac4951302774c321469cdb71a2fecd