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
19-09-2024 05:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe
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Size
45KB
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MD5
11bf72f76ce0754ea8834de81f34cb11
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SHA1
5e1f0000c86f9a76d4ae1cadee6d183efdd7ec05
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SHA256
60ca472fdf1483df783944fb5655fbf79986d16bdb2080a2a7b0510ec6097a55
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SHA512
fe26cad76c21defe24c5ba74ed4efde9e0b5454f2cf43115fdab50c71ab08d633cc2c31b832acb3356e440338850e43652d1b770ed00fbd7920f2fb25359c63b
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPD:P6QFElP6k+MRQMOtEvwDpjBQpVXe
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2392 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2348 2024-09-19_11bf72f76ce0754ea8834de81f34cb11_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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2348 wrote to memory of 2392 2348 2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe 30 PID 2348 wrote to memory of 2392 2348 2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe 30 PID 2348 wrote to memory of 2392 2348 2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe 30 PID 2348 wrote to memory of 2392 2348 2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_11bf72f76ce0754ea8834de81f34cb11_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348 -
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:2392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD567fada752787c04c521878df9d1e7863
SHA1d81cde452ffefe14138ef1e237a1ab7cb56d8e99
SHA256200b48a63376d9da3357d5eeebd37dc39e7b20f9f8f3446bec7e5d97f68b260c
SHA5125965483aae721f2f23ac4557880b6c0f1f0bec6742e02d1d5895e6807f0bed6874c63039983539872101096bca7ddf3ab0a35b85122ca13216c364449736e7cc