Analysis
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max time kernel
144s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
11/06/2024, 03:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe
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Size
62KB
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MD5
0baf492ae393e1b39a65d1123ca6932c
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SHA1
887f86d42dd24ef9cd5cdffe39a0b267eb367b7b
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SHA256
4ae1bf9cd39bf5a99b5dad13f8caf8dd2de4559f014bd5cdc032e57da5fa944e
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SHA512
ae0d0ff83a2657c902fd77575c52756c9f33c92383f540baf63c74d20e2db20876f9bad50037b308f26b8d49e3ca7d2b98efa07b8b780400b0a5a5bf4ee32fda
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SSDEEP
768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9u:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWws
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/1700-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000e00000001226f-11.dat CryptoLocker_rule2 behavioral1/memory/1700-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2068-25-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/1700-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000e00000001226f-11.dat CryptoLocker_set1 behavioral1/memory/1700-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2068-25-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2068 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1700 2024-06-11_0baf492ae393e1b39a65d1123ca6932c_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 1700 wrote to memory of 2068 1700 2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe 28 PID 1700 wrote to memory of 2068 1700 2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe 28 PID 1700 wrote to memory of 2068 1700 2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe 28 PID 1700 wrote to memory of 2068 1700 2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD5fa5ae00c6e411f892e02e2448a15ac46
SHA11a4105913d34d1a478d76af96109e7c33b9fae55
SHA256b30d55a923f69cbd13ed267d55f310c3f9936478c1cc5a716ed79b47a9427d21
SHA512d5c51bff4126dea8be3cb6b7c8152fd2ef58e967fda636ac1baba0663278e9c5127c5b15931a8b75178b1ccac020b71d2eac54cff777d5fe14cef612debce6ea