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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
12/05/2024, 14:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe
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Size
48KB
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MD5
ad6baf9540b66a3b988f1008372ba552
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SHA1
2be6fbdd9d6c2d2162dfd2d82f3a34907cdb6a54
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SHA256
408471ad72b75e098ac49d6182fb865c75479efd62888caaf289df626524e6ef
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SHA512
e38dae8792f7be9c2f32b5d105cd83adcbd24bb688031ccbb402d29cd14ddf41425150a30bc294925be862363ebd95a2bf3ad27830f12f4a5ae3efda2f9a211f
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/BdmRS+:XS5nQJ24LR1bytOOtEvwDpjNbP/bm9
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/2352-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b000000014b31-11.dat CryptoLocker_rule2 behavioral1/memory/2352-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3048-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 3 IoCs
resource yara_rule behavioral1/memory/2352-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2352-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/3048-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral1/memory/2352-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000b000000014b31-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2352-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3048-26-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 3048 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2352 2024-05-12_ad6baf9540b66a3b988f1008372ba552_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 2352 wrote to memory of 3048 2352 2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe 28 PID 2352 wrote to memory of 3048 2352 2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe 28 PID 2352 wrote to memory of 3048 2352 2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe 28 PID 2352 wrote to memory of 3048 2352 2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:3048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5265eba6ddd9e6182dd3ec8d4d9bd8389
SHA12f633d274cdec805924b32f8dac4a49bbac17693
SHA256a781537cd1987e6bd47cb1a9a0054e182b8beb536d8903e83d2e174d3313b930
SHA5121646ffe5ff0fa14e1c82a90c34abce19625a92712eb3a0d79664afb6bd052af3cde4226c25f4619b3f29daf003984136cd4c2c7d9bb542b6e73533a614f0e12b