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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
20/04/2024, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe
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Size
83KB
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MD5
f56ac8c74578e6389ad629fc3fefbed2
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SHA1
5169b2a407caf3791dcdb1b6e7fd5bab3e86326d
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SHA256
35ad29873b334a16ad3bd730b512fd35cc5b6e10f78f44e31fc0150180907203
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SHA512
f7d37429f64ee11ac096c90c9ab390b23bb7b14ccdcdd707dc2c90ad29914d77f0dfad769b42e6a892649018d1876ba8ba9eaf824238bb51e854a61cb256460e
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBQ:vCjsIOtEvwDpj5H9YvQd24
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c00000001232e-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000c00000001232e-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2804 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2364 2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2364 wrote to memory of 2804 2364 2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe 28 PID 2364 wrote to memory of 2804 2364 2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe 28 PID 2364 wrote to memory of 2804 2364 2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe 28 PID 2364 wrote to memory of 2804 2364 2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2804
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
84KB
MD5e45b81f695926ad7de18c2e018c9b070
SHA1a89704ab0c78913020ef927626e5d7213bf9a468
SHA2565ce201a5e04ee04c1f96aef462e354b900246d3bca4497890663deacf75fc742
SHA512edeb646759fffaf242423fc73aaa70fcbade358234b78fd5ad2a7a54d790d0edc2a47432bc1f50f0266f81e6c7ccb38fa444bdce42bfa35de0ee1490814ded9d