Analysis
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max time kernel
144s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 12:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe
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Size
82KB
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MD5
050e12ee74b8155ab700c46d10689830
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SHA1
b67b3bab9b40abef074b69ff132c9108d0d7ef20
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SHA256
b90f8095274d599bdadf6875c9b6ae4a35ccd057a337cc2063ddb5e3b4697d9b
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SHA512
47d43538e161c7b8355e435648db1c826bc5d0e9fdaf8fe9cc2526e190aeefb3bc26ad7002440c2cab219ad7921e8b4bd73609162158ef5734713313833a328d
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMr3p:TCjsIOtEvwDpj5HE/OUHnSMD
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1712-8-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 \Users\Admin\AppData\Local\Temp\misid.exe CryptoLocker_rule2 behavioral1/memory/2588-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2588-24-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1712-8-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 \Users\Admin\AppData\Local\Temp\misid.exe CryptoLocker_set1 behavioral1/memory/2588-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2588-24-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 2588 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exepid process 1712 2024-06-13_050e12ee74b8155ab700c46d10689830_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
Processes:
2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exedescription pid process target process PID 1712 wrote to memory of 2588 1712 2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe misid.exe PID 1712 wrote to memory of 2588 1712 2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe misid.exe PID 1712 wrote to memory of 2588 1712 2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe misid.exe PID 1712 wrote to memory of 2588 1712 2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2588
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD5a11867f8ead957fc6b5ae1c7200fd71a
SHA151f1dbc231ce95be0918e5d83e606f9909544af9
SHA2562b8a55147220731556aef51af3ee65faa77dd4b576f454cb6c398cecc9059d4e
SHA5121dcd92472a398896338a4e9dc04383d748d46cc3df4d476c9cb9d51479949fa74bcc92475a2547a39ff6ec0f5d61336706486541f0ec0dc72ce00c874f460724