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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
19/03/2024, 01:15
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe
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Size
128KB
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MD5
ddebbb2bed88cc53d60a66bf5f8d2b98
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SHA1
00ad85636f231d6c14a82588d0e0843fe7ea8aeb
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SHA256
54c18d5a7f392c20acf9744b8b991e64ce14b8545c1027e513a151d1cce6b2ad
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SHA512
3a852a10e86b926ce919357b06708bb05fd2a5ec0537456be32176b6f12c8e835a34726aecaf70f953d231416996189422252127260bb055fee6eaf17375eddc
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//fRG:vCjsIOtEvwDpj5H9YvQd2RG
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b00000000e610-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b00000000e610-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2656 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2992 2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_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 2992 wrote to memory of 2656 2992 2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe 28 PID 2992 wrote to memory of 2656 2992 2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe 28 PID 2992 wrote to memory of 2656 2992 2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe 28 PID 2992 wrote to memory of 2656 2992 2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2656
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129KB
MD5e24e258d752ead733c6e514ae5b2bc2d
SHA1721c04e48c7164e0873f1d1ff901b83492420021
SHA2561f2e6b1283bcb7ccad41a039610f67f62f5b90874083b7b6f03629bc7d307425
SHA512caf9800f6218be75d484c44b15df6845037ebef239b68e0a4653bde92b7161db1f9537da27890509f6625ee50609f435d890014444be194bce5cbf38c23a7838