Analysis
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max time kernel
94s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 03:55
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe
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Size
56KB
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MD5
e614ef122d325c20a08bd18268137821
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SHA1
9025ca0ca08cd831c6a38340d241fe35b947dbb0
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SHA256
c1629ed067e8397c3ef37a890888aa35b02fa92fc354725f4c0bdd192ec17dec
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SHA512
5b1fcef0fb67dd183b3cdd859b6130921e76708fa196917d2d14f4f37075d95a280e76d515aec7291f3b3c4c4b0e430b38d9afb5fa9adcf77df35125b4506a6f
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6EhX:aq7tdgI2MyzNORQtOflIwoHNV2XBFV74
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation 2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation hurok.exe -
Executes dropped EXE 1 IoCs
pid Process 4184 hurok.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 2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hurok.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1220 wrote to memory of 4184 1220 2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe 82 PID 1220 wrote to memory of 4184 1220 2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe 82 PID 1220 wrote to memory of 4184 1220 2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-05_e614ef122d325c20a08bd18268137821_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD59b1e165642dd0cbffa82b6e357870066
SHA178f38eccb16d9bd76baeb18937311a708468f64f
SHA2569e202b8c10bfa79265d5814ac2e3d37eb7a3bbf44630ed99fbd045aa4deca88d
SHA5121ccd8775a86234de10aa23fbcf4b7461bc50b1f30a4dc549fd3dbf6160a563ef6e9c72f2f913217d393f0917cd932a2ff72b3e564f6dab29fda6fa7703ba4b77