Analysis
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max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
11/04/2024, 07:52
General
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Target
2024-04-11_d765bdf9ebcba2f16bac0e0809a1435b_cryptolocker.exe
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Size
21KB
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MD5
d765bdf9ebcba2f16bac0e0809a1435b
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SHA1
4232ac2543293584a6a3b3b2bad37c3ba60271f3
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SHA256
edb6ef2114190c96d16ff144aaf5e50839eb1302558def660075b8cf6d72eddc
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SHA512
bddfaeca2a843e7c0b69c08281a06e529198b951ce22ff2b5156d818cd5e74c0d7c577c4766ec7123abbeae0938cfcf2d4d1dcb867a3edd6a54b753642ec92da
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6H4:bVCPwFRo6CpwXFXSqQXfjAY
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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UPX dump on OEP (original entry point) 6 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-11_d765bdf9ebcba2f16bac0e0809a1435b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-11_d765bdf9ebcba2f16bac0e0809a1435b_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
22KB
MD596f6342ad24535a0882cf79b0ed74c22
SHA1068387e4ccf9444f7e7d0f368314691cdb393798
SHA256d36d2f1becb437f4d4ac286e375f91a89da1687050c9345eb121a5b94a6bb9ae
SHA5121c0f5639c449e217c40c48cf6a20fa69172bd89b7bf55d98442a278a114744d6111a2d60b7bef371a5806c4e3ba44a59c30d92c06bc9e426f89f71d57450bb51
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB
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Filesize
56KB
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB