Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2024, 08:36
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe
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Size
47KB
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MD5
f2ed0022dbf1b3ff098eb62efee5a343
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SHA1
a55072d4f848d49fe369ea4295b96a77d47e4a59
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SHA256
aaf2190300aae5d8c1d3af9f7313d3a8639d2ee6f954885277e829d2af1cef2f
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SHA512
08eb6c335b00201d2021b6847f59e012afdc7f03b7584a4e089428c808feb7f474186db0161150584773461e0a6ecef39e8f446ac49276fd8ae1677f44b37d2d
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnfvYC:79mqyNhQMOtEvwDpjBxe8Cvr
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2196 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 2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_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 1808 wrote to memory of 2196 1808 2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe 86 PID 1808 wrote to memory of 2196 1808 2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe 86 PID 1808 wrote to memory of 2196 1808 2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808 -
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:2196
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD54efabc7a0372de3259378c99da8fd7ba
SHA14a376315919c73d9f4d41908318a6efbb0db8101
SHA2567989e1d9c9e3ae5e7bc659555767ba679617bb6fc331b588969ddadafb5f5338
SHA512b2bfca348f0b4c4bb49a64e7884cbc62ea0e84605927e20c244d2190a00c931d107c65e702b9f117b6883f59189a06447f4a553e4f42f786b8652e7a131a95d5