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
18/10/2024, 09:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe
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Size
44KB
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MD5
07d8d1ff8cf834e474696b7c049054e8
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SHA1
cd4ffffe73a072358179438d029249ca66b4ef79
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SHA256
498fb9699171fd7bc4c8bd409c6c7c88ae595678d72e1d35945926f80b181a78
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SHA512
7d4f50822cc0040dca8e113234f439df411767f25528c42eb659df2ce9e92f639850c76ff5a513a307a514b6120f03cc2e320411a797b9681b226e10e59270e6
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SSDEEP
768:btB9g/WItCSsAGjX7r3BPOMHoc/QQJP5z:btB9g/xtCSKfxLIc/7
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2260 gewos.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 2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2712 wrote to memory of 2260 2712 2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe 86 PID 2712 wrote to memory of 2260 2712 2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe 86 PID 2712 wrote to memory of 2260 2712 2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-18_07d8d1ff8cf834e474696b7c049054e8_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2260
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD563adf77d82e32176fcea180f3fbf216e
SHA1243ec8d471b98943fb6813cd110bd8c922084a91
SHA2567e5280fd80accde2b7f7b669fe14d7c8b7dc3eb0389bc9671161cf60e9570640
SHA5127f16afabe2692e5ae09b008c163c13ab4e3d0571481f02036e93c1555d4474acec7a67a0cd2b0a4f5cb05c2d8d79358aa049ee36033ccc4209538ec388af3d0a