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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27/06/2024, 15:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe
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Size
47KB
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MD5
91d9a61da9c74832f1fda0d923eda472
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SHA1
a0080f131506295c5dc261a75524da15b4abd00a
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SHA256
21c265146c6702b6b3ad39fdfbef3fd086cec84d16e4ea8e47a03c17dff937b8
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SHA512
b88192a581688e92f4454e79cf46a1e4e374bcea1313a038e4c322005ed5399622394d4ef4e93a11ad296975c85ea75245021899eebae9025db2fe7e06f4adec
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAs:P6QFElP6k+MRQMOtEvwDpjBQpVX8As
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4964 asih.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 2188 wrote to memory of 4964 2188 2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe 81 PID 2188 wrote to memory of 4964 2188 2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe 81 PID 2188 wrote to memory of 4964 2188 2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD5351fc88cb5fb69e45d1c852cd0170088
SHA1d57d49f7812676442dbf0fa1c49e9998d18daa3c
SHA256922805496ece77d02ed8f82e67a3168a20db629ec4fda18bd27b5edd70a346fb
SHA512f571b4677ad10a8418dd8e05d7ef645d74c475cdf6c4c3caba88e48e7a240f234b0e253f2988ed5a92bc57bcd725b6c32dddbd37dd2dbfaec907fe50646feee0