Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
07-08-2024 20:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe
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Size
52KB
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MD5
bfb01b37a9a926cb9c7332b86726d345
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SHA1
326573020935d8f4cd968c3fd980317d2722e1c4
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SHA256
3eedcef5e262dca93aed1752a4107b064337ddc842917dfe26c28d689f6a6a56
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SHA512
a79c7e23f6a9ebe792f2e8a3c727088d79271c51c02979d11497bca17c4b591162880b096e3828e9b2b85cbf4e926ea3bc296cc11c2a3c14ced2d691b44b36ec
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ntgH:vj+jsMQMOtEvwDpj5HczerLO04BZH
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 316 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1956 2024-08-07_bfb01b37a9a926cb9c7332b86726d345_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 2024-08-07_bfb01b37a9a926cb9c7332b86726d345_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 1956 wrote to memory of 316 1956 2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe 31 PID 1956 wrote to memory of 316 1956 2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe 31 PID 1956 wrote to memory of 316 1956 2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe 31 PID 1956 wrote to memory of 316 1956 2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956 -
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:316
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD50eca32a97acedae0b9e3e1099cf4efc8
SHA1365bf3e38307cceadf278af6d03694590ad90d6a
SHA2560ffced07b134b571111427a13b044f99c65e7975f41b980ffcf18654ff637f65
SHA512284783a6a17bf83f8b81f1a3ac7b880035127710e5b92b678c2004bebce6a35a7d51f82ea4cbc496f1fa420ad61b6bdf908aa6770d7b0dde6dc846a31718d312