Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 08:18
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe
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Size
44KB
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MD5
f14319d0a003f4c618a0752cd188ee07
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SHA1
786d5c6490c8ca92160708d9ee464fa5204ea9e3
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SHA256
7f4468ca20b79bad376485fb7015bbf19aa34cb0a7d6b5f56606fc68a887b5e1
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SHA512
ed9c100d14dc6023bdebc0fd7fe650c36526a8a5e812f2d49c75cb30d0ce6f3702fdb8c518b5239f1b8b019631a42c8ab88085b1aca185a8699bf75fe673ab99
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95WJo:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDF9
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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3060 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 2024-09-28_f14319d0a003f4c618a0752cd188ee07_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 4540 wrote to memory of 3060 4540 2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe 82 PID 4540 wrote to memory of 3060 4540 2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe 82 PID 4540 wrote to memory of 3060 4540 2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-28_f14319d0a003f4c618a0752cd188ee07_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540 -
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:3060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44KB
MD5e80a95cd8029b71044df271e6c4af0d3
SHA129ce4c8adf975f465b47b2103dcdd6cc50b88915
SHA256c009372c69197e3dc20405cf47397c06efaa93dee2d205320022182ca8e3ef40
SHA512d0e4023b5c602c817667eb6135e6423a3660320972c0cb3b1f1a2a7b7567956e38673fd5b2854f1b4209ad8bedec5433d1beaf2b90c83c6d79edc11f7bae78db