Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/05/2024, 19:36
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe
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Size
62KB
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MD5
f9788ce397a59478e3884281c6007c71
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SHA1
15cf778880aa00c543300d987ec4d713f44ee10b
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SHA256
f30b7ba2b7a7fe6dd62808c879a7553e5047f1b39fd99e72ded2fc59928a5b4b
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SHA512
1ade06bdd20116d31bafb71bf5a4c576034d73f73444947623874971e6e053fd6323889546410a39115f2dc8abfddf517e83b59f5353fef2ddabb3fabeb463df
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SSDEEP
768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9h:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWY
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/2256-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c00000001450b-23.dat CryptoLocker_rule2 behavioral1/memory/2464-25-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2256-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/2256-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000c00000001450b-23.dat CryptoLocker_set1 behavioral1/memory/2464-25-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2256-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2464 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2256 2024-05-09_f9788ce397a59478e3884281c6007c71_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 2256 wrote to memory of 2464 2256 2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe 28 PID 2256 wrote to memory of 2464 2256 2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe 28 PID 2256 wrote to memory of 2464 2256 2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe 28 PID 2256 wrote to memory of 2464 2256 2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2464
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
62KB
MD597c5aa7db90f50d4d77456197cf5d233
SHA101e6bf857950510a219bec8989563e4f4b973755
SHA2565cc708504a5f24e2d379b1daecd54bdf6f4fcffc4ff561a0c69e9902a545507a
SHA5121106607e56a66ad6766566493d8cde69c3a0939d044eae8df19acd7e65994ecb374f00989a2812f3c62ad55732fc87f9041d7a2a89efb298a9c960c54b051bd4