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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
18/02/2024, 02:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe
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Size
37KB
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MD5
0e9ca027773308f125a5126ec1d71ad6
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SHA1
393baddb33d2bce6a948d85aca72bc2d0a2622e6
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SHA256
6ff13c27a21ec352ca1f2b85b9753b772800129d77424a35864bf3f9e8b98f5f
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SHA512
800f0b1d265d83f6930bb9e3209564db622b647eb3c0345749abef4f5db951ca046f729197d40113539283ed0a2301f57ede7050266452f9fb43cb7c601aa9d7
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axcbT:V6QFElP6n+gMQMOtEvwDpjyaYaqT
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x0009000000012262-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0009000000012262-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2392 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2224 2024-02-18_0e9ca027773308f125a5126ec1d71ad6_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 2224 wrote to memory of 2392 2224 2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe 28 PID 2224 wrote to memory of 2392 2224 2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe 28 PID 2224 wrote to memory of 2392 2224 2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe 28 PID 2224 wrote to memory of 2392 2224 2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD5b80001b2a95f3e69a1f8dc71b3d4dbbf
SHA10bc845a928748f5741250cea506f1253780de51f
SHA2566b2aa083725e257727ac5d17ce938998b6ae8ec6e4725ef21b0f084028c6d4d0
SHA5124021ea3577adacf9d92360d80e222e0efbfd21d60c97d325d97dcb9c479b2e2a84e9bef76b93de627ede5d2edd24076a1192a59293089cd34339c7c9ec1cfc30