Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
09/06/2024, 07:35
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe
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Size
86KB
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MD5
e8e0c14356532aefcbafa8591dd7a7c9
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SHA1
5f1449bd054e2ad909530ab81b6163d123c9a895
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SHA256
91724b76ac46c6b5f52d19544664db811060f7e53395eb759af37e8005afdbc4
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SHA512
f85998b156ffbaf3d69062f8d7cce3152282f900aa267fbc6acfceef5878f5f20ca08382b0d2c89c5317997f6dc62e4923eba7959066433657300e42648b441f
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrC+MW:TCjsIOtEvwDpj5HE/OUHnSMN
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1984-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c000000015cd2-11.dat CryptoLocker_rule2 behavioral1/memory/1984-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2496-16-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2496-26-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/1984-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000c000000015cd2-11.dat CryptoLocker_set1 behavioral1/memory/1984-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2496-16-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2496-26-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2496 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1984 2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_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 1984 wrote to memory of 2496 1984 2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe 29 PID 1984 wrote to memory of 2496 1984 2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe 29 PID 1984 wrote to memory of 2496 1984 2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe 29 PID 1984 wrote to memory of 2496 1984 2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2496
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD559c6ee787846715bb2ed4cdaf0c101d5
SHA16728c08f146d22c21f6628f7a78b848b7426ecf6
SHA256ff8b5e5724e933a131d0785aeea6dbd78255bdf3025ab79664db54c8987351b2
SHA5121f6c41adf5dda5853d3276b4c9e7ead95c8d75c4ed36766a71806960c4142413c517872c775d344e44b7d5108a2e69439b426cd31beacf67e64a2a367e0d5937