Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 12:16
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe
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Size
30KB
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MD5
d51bb7853a35bd8b238793e5e32a20fc
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SHA1
e604a1031875664d7d332fdf2738941da9cabc0b
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SHA256
86d77ae04931e2f7219c475935b8adef5f4599ab0dfee0f32f54f6d80985b847
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SHA512
95f5d8d3920a79cb286f7e1acf010382f57de0d6f3c132ecf92a3630715aa311a134b7c9b5a8430d2cc48c8bee338a429f08fbd86d6a2be730c4e88fe322d2fa
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SSDEEP
384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9hH:vQz7yVEhs9+js1SQtOOtEvwDpjz9+9A
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2732 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2276 2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_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 2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_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 2276 wrote to memory of 2732 2276 2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe 30 PID 2276 wrote to memory of 2732 2276 2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe 30 PID 2276 wrote to memory of 2732 2276 2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe 30 PID 2276 wrote to memory of 2732 2276 2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276 -
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:2732
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
31KB
MD594d20a6cc0ad61990dbef66f1d3216e9
SHA13382d6b177a5c7807ea52aff9042e3ee36abb975
SHA256e139c00991563bfe3cd07dd9abf8ac04db929f92bf8f9f8719e2ffd5a61cc34a
SHA5127a62255e73ca8b72585a39dee7b84efcd286cf3f5085ada66afaa3d6eb509488af3e3f1fcfc21debb3e78f8913dd17a4fef9de63ed29c2289658dae4eb74fd8c