Analysis
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max time kernel
144s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
24-06-2024 19:35
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe
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Size
32KB
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MD5
b30a7b067ac38a0eae869e9938d6145e
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SHA1
201c9dd7f4a6713c1c48c35f870bf2d811e6cb24
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SHA256
600a47c2d0693ae660692833c3d4976ccae0bccacb694f215c10edb8db1f7402
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SHA512
033e8392564564991c265586092458f2098a6dc73cd8ad1f2275aa822d2cb2ded044bb88c9de6a8f66965b9a5e422100e31e2f3a93fd347bc18596e6506c8c46
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SSDEEP
384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGX/:bG74zYcgT/Ekd0ryfjC
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/3068-0-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a0000000122ec-11.dat CryptoLocker_rule2 behavioral1/memory/3068-15-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2188-16-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2188-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2188 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 3068 2024-06-24_b30a7b067ac38a0eae869e9938d6145e_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 2188 3068 2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe 28 PID 3068 wrote to memory of 2188 3068 2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe 28 PID 3068 wrote to memory of 2188 3068 2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe 28 PID 3068 wrote to memory of 2188 3068 2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-24_b30a7b067ac38a0eae869e9938d6145e_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2188
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32KB
MD54de1fb9e915878ce4a66f43fb9938382
SHA12723716f6712eb40e12a9b6c5780fecd817f1041
SHA256d362cd289afaa1ce9083ea2f675b718e984fea5fbd538deae23c8c9e792cf20d
SHA512af3fd73791431731068666aba358bec32e4c6be33bd38a22a86fd4110ab8ff4eb211cc9b991882587ae6739187a0456722a8c63b56925a334bd0298efc8d7ab4