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Analysis
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max time kernel
147s -
max time network
166s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14/03/2024, 06:10
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe
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Size
5.5MB
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MD5
f5d07a6fe867476e0fa191cb58871661
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SHA1
0fdc4797214a9a5fed3edd45c28475f95df06482
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SHA256
eb27a88f8463de21738a4b1e624b9fd0c882f7d9207cb1346e6297960cfb0cae
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SHA512
d44c29dcf7ec70aad03e6be199d2e58106852bf94c427ad1176a629bc14b26d332f94f2ac594e4d8ca9a890411cb4f0d7b60845da8c283a16d16e30fddce7225
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SSDEEP
98304:tGiPCjI9nGdFD8nBHm/lOs4HucAmD/YpJJRsH9KsUbIP8Z/AzdKfeT1:fP7aa3uzmD/IJR09KbMPkT01
Malware Config
Signatures
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Detection of CryptoLocker Variants 8 IoCs
resource yara_rule behavioral1/memory/2992-0-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2992-2-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2992-5-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x0008000000012254-20.dat CryptoLocker_rule2 behavioral1/memory/2992-24-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2652-27-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2652-30-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2652-43-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2992-2-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_set1 behavioral1/memory/2992-5-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_set1 behavioral1/memory/2992-24-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_set1 behavioral1/memory/2652-27-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_set1 behavioral1/memory/2652-30-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_set1 behavioral1/memory/2652-43-0x0000000000500000-0x0000000000D88000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2652 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2992 2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2992 2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe 2652 misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2652 2992 2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe 28 PID 2992 wrote to memory of 2652 2992 2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe 28 PID 2992 wrote to memory of 2652 2992 2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe 28 PID 2992 wrote to memory of 2652 2992 2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.5MB
MD5153e0185950bb9397962335f94a6b43b
SHA1a06aceabf5e00eb32e7ed515a3b28ba9111f1e21
SHA256678b4326fb6356bad35a32a16af6799208a6e80fb951c7ae5f90f636f1814f6e
SHA512421a89664f8d098a859017088289ccc032e0d3f4d0865333f80b653550dd4a73662760f62150b317ca096332bc47934b11c8bd148b7dc2f86f5a4d721b151c23