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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
14/06/2024, 08:12
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe
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Size
43KB
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MD5
d351ba21100ae33d68689928b5a1aee2
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SHA1
855e218f8acca1f6ee5946a99058e7b2778046d2
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SHA256
9a2438d410efe83ec06adff1622ea492ea8c798978c0511836f083e4e4c3199d
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SHA512
3b7b3bdbab7105f23b6cfc2a515464bdf5c2d14eb1bdd1e40150731a715de9d083c17e72a28cbee51100427c670bf189abb90d5521cc9bc64bd2c3cdf50f96e8
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SSDEEP
768:bQyC4GyNM01GuQMNXwXOQ69zbjlAAX5e9zY:bQpYayGiAizbR9XwzY
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a0000000122ec-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2888 retln.exe -
Loads dropped DLL 1 IoCs
pid Process 3068 2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of UnmapMainImage 2 IoCs
pid Process 3068 2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe 2888 retln.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3068 wrote to memory of 2888 3068 2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe 28 PID 3068 wrote to memory of 2888 3068 2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe 28 PID 3068 wrote to memory of 2888 3068 2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe 28 PID 3068 wrote to memory of 2888 3068 2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\retln.exe"C:\Users\Admin\AppData\Local\Temp\retln.exe"2⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2888
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5687db79d9ca7bf0cacbca4d22a240b9c
SHA162b452a50263c86dd6b44c2633d9804af0eeeca7
SHA256bccc1be0cd2cfe3c8c42b1c2ba4f41db13270897ab10c2cea20e3c6cdedb02c0
SHA512b02362e57764acc74810a63c6f9cb6a75e92317180c37e303ae33b868d274b6cbde71c07dc13555eaf34d1cdef5c2585d2e45c38592dde0f8bc52b17600f7b53