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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
23/01/2024, 00:30
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe
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Size
72KB
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MD5
86096055f173830ee85352bc9caf4b96
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SHA1
647744389962512dd471d64c0dc49bf481af7ecb
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SHA256
e5c6ab36ad40c8d469c2e8a2b789742c0f628c132356bdbad37761f8131b5e25
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SHA512
e739d49a3881956dec7b54a77db891ebfca6d4ea01aa29f9849bd262cae4ae2c200bdea2e673dcf5724389ab4e233e898ad4c280c8a951bdbfbd2c94de50ccc2
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SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1Ma:X6a+SOtEvwDpjBZYvQd23
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012308-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012308-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2904 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1916 2024-01-23_86096055f173830ee85352bc9caf4b96_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 1916 wrote to memory of 2904 1916 2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe 28 PID 1916 wrote to memory of 2904 1916 2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe 28 PID 1916 wrote to memory of 2904 1916 2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe 28 PID 1916 wrote to memory of 2904 1916 2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-23_86096055f173830ee85352bc9caf4b96_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD576072aeba96d523ee4e6e4f598e5074f
SHA19d4f32adc2bfcf2d9418b85bb594b2e5b6b6058d
SHA2561b2746b08deba9aa20f66d007477a65c725628a72fe830b25e535fe4abf8dda3
SHA51289f8d92f0addc0ca8d33729a4d6c7988858ba54386bf8511f9fbbc958c64156482d3ddd72ec8e9979f98032cead2638c2b29d6be14eb6d66eaf1f52ce690c1ce