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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
11/03/2024, 05:53
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe
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Size
78KB
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MD5
aa01992c752cd5389bbf54168aa9537b
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SHA1
facffa8a3c6b20e54258fd7fd1e4cd8decac887b
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SHA256
15c08bfc517bcf5d8fe5e801504e1edf1da893c8b76dc8aa25c3bfb39d542eac
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SHA512
fee7a5da10cf23599cc63a8f537545e17c0b30f353f72c7e69f06701dc6de14b6c4d8de5070ef33d57362c3bade8ec09ff38b3e83b8827d25a3cc7a9666c2647
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWTPP:ZVxkGOtEvwDpjcaxK
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001220d-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2420 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1960 2024-03-11_aa01992c752cd5389bbf54168aa9537b_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 1960 wrote to memory of 2420 1960 2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe 28 PID 1960 wrote to memory of 2420 1960 2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe 28 PID 1960 wrote to memory of 2420 1960 2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe 28 PID 1960 wrote to memory of 2420 1960 2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-11_aa01992c752cd5389bbf54168aa9537b_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2420
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
78KB
MD512bbb0ef2234d35dc8289df832f66730
SHA170b67f2c26295688b24c3012c886b94411cd99ce
SHA2569c4e448209c504fc6cc22ce190edf214b1c45a746d289e6ae808a8d9e5e2ae67
SHA512c99902a77d8f5014ef1e8da64ce16e0e9c39737c7bc1e59f946a64daff4a132b54a69cb3954ed86eca892f5004ffa03453ddfbdc709d395f84dcbf54e83700dd