Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
02/06/2024, 05:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe
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Size
63KB
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MD5
433f509bc1fc1406502e9956e4f11173
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SHA1
2de2756c1c3586bac1ed6d0c829ac61f0ecbda64
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SHA256
535f25c3461611dcda4cf6d5638d2cbff0b113cb32519c506616134f4be7fece
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SHA512
d52eaacbbdcf5d81613d3437c0f15f21787988a0c393b0705f22be7cfdf896d5e3489a19fa8ed8d546b0ca8425d8231a13d6667ab45d5bf2df5e76f33f79c322
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SSDEEP
768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9K:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxW/
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1704-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c000000012287-11.dat CryptoLocker_rule2 behavioral1/memory/1704-12-0x0000000001F10000-0x0000000001F1B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1704-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3016-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/1704-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000c000000012287-11.dat CryptoLocker_set1 behavioral1/memory/1704-12-0x0000000001F10000-0x0000000001F1B000-memory.dmp CryptoLocker_set1 behavioral1/memory/1704-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/3016-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 3016 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1704 2024-06-02_433f509bc1fc1406502e9956e4f11173_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 1704 wrote to memory of 3016 1704 2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe 28 PID 1704 wrote to memory of 3016 1704 2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe 28 PID 1704 wrote to memory of 3016 1704 2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe 28 PID 1704 wrote to memory of 3016 1704 2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_433f509bc1fc1406502e9956e4f11173_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:3016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD5c7975a0fde24ba866d23217709349bf9
SHA1a4ee2eded648674a61f9bea1014727fba5e3b2ad
SHA256d2529cbd5401bb5b7ddebce11803936782fb1628d946de0688bd5790317a606f
SHA512ef5df41e99e43991cc7055454e2c11f9fcadee98e70d94c19eeac4b13d23aa5234d17eca67f2afa6b000c95bee9b0b9ab69ab95a60bfcfea7276c9a10b18e6de