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Analysis
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max time kernel
143s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2024, 04:06
Static task
static1
Behavioral task
behavioral1
Sample
f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe
Resource
win10v2004-20240226-en
General
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Target
f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe
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Size
70KB
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MD5
047c7f180b7249188259d89bebca1081
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SHA1
491ed4fb0abde863b8dae3aaae12a3aea9141574
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SHA256
f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0
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SHA512
fd6764b0cda9a6c271cb19b15c136e0ea657f16c108c2334b08fc6d4a2bce8d380eca91b9e5bf2c48a3e0e7a98933ac4605c14d0a0ff9ae28809d788ecab0cad
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SSDEEP
384:dbnwR2FRnlaeZC1t32L8bG2RbuQb90PGDyaT5jR9BsjeFTiCaqiw/2NwNRdvA65:dDwRAnRAGeiPPGDNv6bwteGR1r5
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe -
Executes dropped EXE 1 IoCs
pid Process 4284 hummy.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 656 wrote to memory of 4284 656 f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe 92 PID 656 wrote to memory of 4284 656 f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe 92 PID 656 wrote to memory of 4284 656 f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe"C:\Users\Admin\AppData\Local\Temp\f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Users\Admin\AppData\Local\Temp\hummy.exe"C:\Users\Admin\AppData\Local\Temp\hummy.exe"2⤵
- Executes dropped EXE
PID:4284
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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=4120 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:4804
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD582d12ac92a827c18877a2155230f4306
SHA1f6046c3c65424507f7d6a5711530bb10877bef30
SHA25698810f018a2321fd7241384f697413e87409a71ccee243058996b4adff36d4c6
SHA5129195c8f1a96269d99aae1c8fd7563c86381969891909057508b61d3376f4d23cadc0e029da0a875997ded7b7594ef4485291c0fbc8d17907c1728fc5953cc320