Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
13/02/2024, 20:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe
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Size
64KB
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MD5
cfb604120e75d3d4688ab822c3c397c7
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SHA1
70a704136d3f5e56f407583cd3d1337eab138e3e
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SHA256
48c269ab3fe023d4c1ea5245d906ead517170fdd591b8cc698dab72c365f71d8
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SHA512
800786bfc0b724f4fa6b3e82507691d20f0bbcbd2fbcf0dcd1302fcdedd70ddedf4b6e4924af175fcb8650eb4a1f3adf50c02c66eb94b3289ddb59774f45b5d9
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbV4N:ZVxkGOtEvwDpjcawo
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c00000001224c-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2700 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1320 2024-02-13_cfb604120e75d3d4688ab822c3c397c7_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 1320 wrote to memory of 2700 1320 2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe 28 PID 1320 wrote to memory of 2700 1320 2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe 28 PID 1320 wrote to memory of 2700 1320 2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe 28 PID 1320 wrote to memory of 2700 1320 2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1320 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD52486122409184095cd59e92f2ed8ddec
SHA1a2bb00a498c90fbd37ec5c1cea9bb4ded344b718
SHA256caa1932526c86504ba2aecea42153faafa7860a817440971f95635d20b18510a
SHA512ec295ba3ac62774702daab582d3732b7c2ecfaa8fae6c7befe151151cc0d58b410c4691275896c5e62bdb140a4a298806550d2dd9eb51738b11f42b6a6da402d