Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
12/05/2024, 07:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe
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Size
46KB
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MD5
2d7a32196706ba69082391a5bd7298d6
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SHA1
fea30d71f91d1197ff5ce4e1c4ceb6397ca6f107
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SHA256
14cb8f33efbdc10d0f90fcbd7fc23913a769bcab355199570b20dadd0a9a6a87
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SHA512
7ad762e07721646ea7cc95495b9a7d14cef85fa29986da6c28ac8fa63d842541874015977c717932db3e78141780522518d50a041ea13a74977179546dc7215a
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlu:P6QFElP6k+MRQMOtEvwDpjBQpVX8u
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/3068-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c000000012286-11.dat CryptoLocker_rule2 behavioral1/memory/3068-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3032-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3032-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/3068-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000c000000012286-11.dat CryptoLocker_set1 behavioral1/memory/3068-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/3032-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/3032-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 3032 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 3068 2024-05-12_2d7a32196706ba69082391a5bd7298d6_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 3068 wrote to memory of 3032 3068 2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe 28 PID 3068 wrote to memory of 3032 3068 2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe 28 PID 3068 wrote to memory of 3032 3068 2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe 28 PID 3068 wrote to memory of 3032 3068 2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD5b83c609c4eb6bee200a38e24d6dfe208
SHA1f41ca6b30eb3facfb0299477fb2968e7b9547db9
SHA256b70b8a4bc3b542297b69b1266a278df2775edacff568cf914286560a4046530a
SHA512379430dc690cdefdf2cc08266c25155aab2a5bab03351b133859a1cd50a72aafcbf0f6252a92b8fbd2ab3d784efe33b78703f26d3d579e90ca392e06de051377