Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/10/2024, 12:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe
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Size
45KB
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MD5
7375c42e1222c2b1143e87af5452bf1a
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SHA1
d9768fe9e42c59ae6c28b42be3c50695bd9e2444
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SHA256
a18d35f6738ce504a951d734bbfdacb17aecf9f8f805949d25b54c2612adb41f
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SHA512
a403ad51cd4f28687973a8f0f3c34cc5559891fb01020d64f06dfca391fe7955605337b1324bb7ae395cb4ed6d528638831afe3bcbd0d0d523e36daf67c8754c
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldedo:xj+VGMOtEvwDpjk/em
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2764 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2892 2024-10-17_7375c42e1222c2b1143e87af5452bf1a_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 2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2892 wrote to memory of 2764 2892 2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe 28 PID 2892 wrote to memory of 2764 2892 2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe 28 PID 2892 wrote to memory of 2764 2892 2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe 28 PID 2892 wrote to memory of 2764 2892 2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2764
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD5485206f3058785612fa764453ab3fc9e
SHA17fcf310ad0f8909d71d32df046dda0349bc09397
SHA256f0921b4ec9e1e6d33ffab68acd822243067df03441f0120178fec4e861384732
SHA512bbb562262e9176ebdc48f77c9796a1ff5d16c7dd7cc15c3af98b6f1451d5e8f9cff6cf2a613cdb67ad5fb26bfd503aa85bbb72d751a5f955cf4cbdc5051081f3