Analysis
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max time kernel
203s -
max time network
238s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
20-02-2022 04:58
Static task
static1
Behavioral task
behavioral1
Sample
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe
Resource
win10v2004-en-20220113
General
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Target
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe
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Size
117KB
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MD5
aaa963a1b4c71047d667f0c3d1760d44
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SHA1
90ce48d945427822647242d42678fb6fb5b77d73
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SHA256
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de
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SHA512
c3cfc8f91ac084ba4ed03e615bd0c55ef65dae3c0618dade3eccd1e2aada1edf30b6cd03e7240b2fce19b5f4f3071ee8c39ab57b0bd073d8049982eb9aea54c8
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
lyDyPhencrep.exepid process 4576 lyDyPhencrep.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
Processes:
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exedescription pid process target process PID 4520 wrote to memory of 4576 4520 87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe lyDyPhencrep.exe PID 4520 wrote to memory of 4576 4520 87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe lyDyPhencrep.exe PID 4520 wrote to memory of 4576 4520 87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe lyDyPhencrep.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe"C:\Users\Admin\AppData\Local\Temp\87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Users\Admin\AppData\Local\Temp\lyDyPhencrep.exe"C:\Users\Admin\AppData\Local\Temp\lyDyPhencrep.exe" 9 REP2⤵
- Executes dropped EXE
PID:4576
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
aaa963a1b4c71047d667f0c3d1760d44
SHA190ce48d945427822647242d42678fb6fb5b77d73
SHA25687d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de
SHA512c3cfc8f91ac084ba4ed03e615bd0c55ef65dae3c0618dade3eccd1e2aada1edf30b6cd03e7240b2fce19b5f4f3071ee8c39ab57b0bd073d8049982eb9aea54c8
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MD5
aaa963a1b4c71047d667f0c3d1760d44
SHA190ce48d945427822647242d42678fb6fb5b77d73
SHA25687d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de
SHA512c3cfc8f91ac084ba4ed03e615bd0c55ef65dae3c0618dade3eccd1e2aada1edf30b6cd03e7240b2fce19b5f4f3071ee8c39ab57b0bd073d8049982eb9aea54c8