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
09/10/2024, 10:44
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe
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Size
82KB
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MD5
a3fde77e46724f9db3acfa0125cb99ed
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SHA1
893d6038e2426c3b771262ba1ab837c4e70a0fc3
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SHA256
2d8ddcd0fb5eb95a22b312e50e4964034fb3ad62a0c11f92e5fa747cd9c54bb6
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SHA512
71653d8f22436fe0d0f4d9a1aee476128cf25bd95a263f579a9d078c1c214a4a2539bed41702acf57b0d3f36d09efe17fea6ae4866aba78256fc50cd7ab22277
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvf:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8f
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1740 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2672 2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_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_a3fde77e46724f9db3acfa0125cb99ed_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 2672 wrote to memory of 1740 2672 2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe 30 PID 2672 wrote to memory of 1740 2672 2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe 30 PID 2672 wrote to memory of 1740 2672 2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe 30 PID 2672 wrote to memory of 1740 2672 2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672 -
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:1740
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD50defcd364f9dc133ab915e650b9ff009
SHA1d19158335a8cebc0fbdad1ad2760a4e4f3245d57
SHA256941b50afb04790767570d27645f159138cd439f0d30acb508170a987de7bf771
SHA51209c6024934d855c4d943f6f63a9a18d541c3f239cd494d527ae0ae93be8a6fe3638a0a17addcff384f6855ea0b45e951e3e2ab9321544bf0986a389b23373be5