Analysis
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max time kernel
132s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-10-2024 04:09
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe
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Size
96KB
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MD5
7b2f9c1be1d79f2268c1e26a30825e46
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SHA1
312279aaeb17255261f2e8cd03e069fa9f4aecbb
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SHA256
31e3d5c741d2ff3d42790796f63031241e073b55cceb8569989b7a69f4502e31
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SHA512
58bddebc98931a706e324226fdcdfd5de6bdb3124850e2fb72da9695e4709249c224ecba62596b5e4d8e564527981805c054e81b7c039151822994147c5e737f
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SSDEEP
1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNgpw2:26a+2OtEvwDpjtzC
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2672 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2380 2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.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_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2672 2380 2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe 30 PID 2380 wrote to memory of 2672 2380 2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe 30 PID 2380 wrote to memory of 2672 2380 2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe 30 PID 2380 wrote to memory of 2672 2380 2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_7b2f9c1be1d79f2268c1e26a30825e46_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380 -
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:2672
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
96KB
MD58c4aba7679feabf0b7d01efb05814ce4
SHA10bc88c9d89d4c5cd112df6c3206f428d8cc98a34
SHA2561a27cc1477a9e34909c130a9c8ce9c22e105b67423401104b7f41070ac7e63e1
SHA512dea0b9c4dcb2207647a3797c6d43206683547d2ed0f25883c4de808d6fe8bd8cf2da1aabdbe6f8e5076cdb4bb95c024f02a91ce14fc435e1b10bdf176773659e