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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
09/06/2024, 04:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe
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Size
71KB
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MD5
1f1dbefd04a332caacb5153a2d12b170
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SHA1
2d32750e84b7c83fe76704214cc6d31274ed70bb
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SHA256
b91da808ebd98a755e4190df3202147aa296b869af8811f5ba8108f4c62b712c
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SHA512
09b53b34b79b320a123aab0292e6f5d0a317d2c695fcc26e7d045deb2ed2f29551059aada25f6c26f8b91438804277f28d76d6e0f8c5d865ca5edca7819ba1a0
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SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOK:DW60sllyWOtEvwDpjwF85R
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/1792-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000e0000000126b8-11.dat CryptoLocker_rule2 behavioral1/memory/1792-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2872-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/1792-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000e0000000126b8-11.dat CryptoLocker_set1 behavioral1/memory/1792-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2872-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2872 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1792 2024-06-09_1f1dbefd04a332caacb5153a2d12b170_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 1792 wrote to memory of 2872 1792 2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe 28 PID 1792 wrote to memory of 2872 1792 2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe 28 PID 1792 wrote to memory of 2872 1792 2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe 28 PID 1792 wrote to memory of 2872 1792 2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_1f1dbefd04a332caacb5153a2d12b170_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2872
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD533c40cde0ee6a54a71e81f5beb3bae71
SHA166e02266a5c914c24080f914ff5d143a0179a4d7
SHA256e5bb1fbae45b0ac9382677ae9ca367053b29ee770a63c4321c1039be2f2fab21
SHA51257d28af4bb96f2e2d80266836e16986bfbc26a4edf25c989a2df1faa683c8e8c6afde5f2f106a455dce79ba2a596c6c959fef3491c0821b06eae56c28180378f