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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
04/06/2024, 11:44
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe
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Size
37KB
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MD5
7ee115d1d3915533137e3688e5dcc994
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SHA1
a00baf1064e9a43bf93dbeeaf63aede5fa02eb2c
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SHA256
2b65627e3246deb37adcf6dd3eaf2199d5e8c42e6a52ab46e23410652eb5e001
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SHA512
d1f726c7f6f90c1da0306353af0e12dc2cf1f097b65d37f2c88c24e913fbefe8ca16d20cfe996280e3283b929b75296ceaff82f4f80ac07b9f9d830d3cfa76f1
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SSDEEP
768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4PE:fT+hsMQMOtEvwDpjoIHM
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00090000000149f5-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00090000000149f5-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2964 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2880 2024-06-04_7ee115d1d3915533137e3688e5dcc994_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 2880 wrote to memory of 2964 2880 2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe 28 PID 2880 wrote to memory of 2964 2880 2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe 28 PID 2880 wrote to memory of 2964 2880 2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe 28 PID 2880 wrote to memory of 2964 2880 2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD570bbb48fe0737590e24e6d0e3837e674
SHA1b2fac34b76090d2a07e5bb9c9c5c69f1bc86b9ce
SHA2565dd9504af27efb136ed85b45c57b3d2ea4fbbd789349b620627f5914823e18f1
SHA5125eece152d1b2890c3a74b3cd0ab1bd34ca064796b6914ef75ad290eb2d735769f3652834f125e066c67584cd1835301f4834491d74cb637cf7a1adbe035fd81c