Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2024, 14:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe
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Size
48KB
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MD5
d9ec29c522767d074304890c21a1c376
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SHA1
eb9d5c1248d32e8cd1b7836dae8cb022502c0384
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SHA256
cf90218b77555127531bd17a7b0992d02abff2244ad058ea9caff84583aed8a7
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SHA512
be6c81a992981a2bd946126fab1bdb30345d7c966f95b89d8fba067bdb1b9fd8515cba241706332947f3e84b2e87f02214f4f12b296e5f31b1a324e0e0efd56f
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SSDEEP
768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcK:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfK
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2536 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 1856 wrote to memory of 2536 1856 2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe 80 PID 1856 wrote to memory of 2536 1856 2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe 80 PID 1856 wrote to memory of 2536 1856 2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-03_d9ec29c522767d074304890c21a1c376_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5a83495eca1e2c8ff0877c874780cc2ba
SHA19ed7f747800c9c3b706b9aec8ad9d7eebfa1db24
SHA256443b8de8438dd64b9c80f5ac0933105a17ca31a3c180240c00625bb88268d8c1
SHA512aec621b78f5647a9ff27fd23a177df1dc3262d34349444dd624940138d8cf1807c16df472b310e6001be95691ea7ff282c8931d6216de497aaff75e3195b2acb