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Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08/09/2024, 03:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe
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Size
83KB
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MD5
1b70fa69abc3c4ede82d34aa2041caae
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SHA1
8544745e111638d73257fae02815726740afa5fe
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SHA256
16aba74b13cf43d84f3aaa4507fe5864911716316c24838026a2d2b480a86fa2
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SHA512
8067556165e65e5c77a4c5e738e9867f87ca6ac2fe517b240b2e1c2fe51f6e8b6ddf1dd5126c627c6a4dbf26974c15bdd7a9315e373765dd6e3424cc45b77f60
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMr3+:TCjsIOtEvwDpj5HE/OUHnSMY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2964 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2956 2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2964 2956 2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe 30 PID 2956 wrote to memory of 2964 2956 2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe 30 PID 2956 wrote to memory of 2964 2956 2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe 30 PID 2956 wrote to memory of 2964 2956 2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-08_1b70fa69abc3c4ede82d34aa2041caae_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
83KB
MD5de5fe090089693fbfcffbd40a9b3479b
SHA1204f5910a869149a07cf002ecfecd89b956587d9
SHA256ee6958f0d6c720f65926af3e3507b7090f36f4135d4f2864cff640edad4e3a61
SHA51262b27919f8581289da5465cef53808a3e2a881d09bfcfe51e2b2a9387384ca21b83dd6a25add44cab705c2c0f8e5e4c4c404b9a8e51ebc3526241f360525c509