Analysis
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max time kernel
154s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
11/05/2024, 05:29
General
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Target
2024-05-11_197fb737e07873979cc754b39f954076_cryptolocker.exe
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Size
96KB
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MD5
197fb737e07873979cc754b39f954076
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SHA1
42c04c5d14ea3d435d80d7743f677fe62057bded
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SHA256
7992194422956fb1b714ee05aeb3819eecb179a00b0d1c3e01e83e8290fb379c
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SHA512
c994e3b45ac73e0f80044771d9648f67ea7adf8e77e20e0aeecf786f27cb63f895f14180066e635c22ba59004020d488c8adf26d237c009f28757dc269863636
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01u:AnBdOOtEvwDpj6zQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-11_197fb737e07873979cc754b39f954076_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-11_197fb737e07873979cc754b39f954076_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
96KB
MD5f9923d00ed30addd4d9daaf18c939faf
SHA1b34c9262f9db5925b04daf8e1fae2c4901d53c07
SHA256037849cc76f539b47fa3b22b4544e58014f81e9878022389e02885821172fa00
SHA5121f07fceccb85a47e40ef02f5ec92569bca286cd291e0ab9a2afa88b5512ba7123d974f40d1a4a6a4b6a00bef542c98c6517116aae9aa7af0d99ddae64783fefc
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
60KB