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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 03:32
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe
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Size
50KB
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MD5
6135d5666a64936123f9bc979d7e6cdf
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SHA1
4a77cde98f5eb0cd2bcb971ef935e6ac06760d5f
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SHA256
e6db7649af60ce690cce920a979ceb7d00f0e968dfd4d7981403256abf54bef0
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SHA512
e97a851d85588723b5c901303c72423cec94ca957694548b64877c3286955fd24a0f6d51bc170742cb22cc88f07c6f518f052ef691ae2ba8b23cacdd0ae30a5f
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/74zpzw:XS5nQJ24LR1bytOOtEvwDpjNbP/0Gehe
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2472 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2336 2024-09-21_6135d5666a64936123f9bc979d7e6cdf_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 2024-09-21_6135d5666a64936123f9bc979d7e6cdf_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 2336 wrote to memory of 2472 2336 2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe 30 PID 2336 wrote to memory of 2472 2336 2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe 30 PID 2336 wrote to memory of 2472 2336 2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe 30 PID 2336 wrote to memory of 2472 2336 2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-21_6135d5666a64936123f9bc979d7e6cdf_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336 -
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:2472
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD5c0a480426b968670f8f04ab322426b0c
SHA1e1ff1f8a8ae166f0343263225b09afbadd8597ee
SHA256c963c1fcc613153b7204ec4c1c63532f2232a219c0bbaee9cd780d185d544480
SHA5123eedf15a1b36ec2f428d03256dcc4b24b8184e053f0ff67673734e742c56dbf279b10ec611f00712503a85ac01032970d138c526ca7f10b26b57481b0b39b56b