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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
31/05/2024, 19:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe
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Size
39KB
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MD5
3ee209a51a725da5dbf1c23016bdfc49
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SHA1
77aa5697e421e9153fbcdbd1cf98fbe6256084cb
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SHA256
a21fddcea968b0e1a8eff9ebf1c226c574d2133e930a447baed554e165e4a073
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SHA512
f235dd7e2daea520aea0fa0872d2c7e03d5946e9071c34f8e70f48833c3a77df1fea2b54c3c7050b8808273c9214e08c3cc273f75da74ce860e0de9be5ce5ed0
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0U:X6QFElP6n+gJQMOtEvwDpjBmzDU5U
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001227e-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001227e-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2812 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2928 2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_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 2928 wrote to memory of 2812 2928 2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe 28 PID 2928 wrote to memory of 2812 2928 2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe 28 PID 2928 wrote to memory of 2812 2928 2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe 28 PID 2928 wrote to memory of 2812 2928 2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_3ee209a51a725da5dbf1c23016bdfc49_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD560ab673280ba5fef724cca341661e38a
SHA1a8ade8a7c993dc09f84a89045715379d127cecd1
SHA256c206096c504ba2de00929a2624181fc816a8e9c4efb1c82a2a9e7be8d436d80c
SHA51283df60bdc2bbc58f4a5df5b873d379ef1f20539d9a96d4adf3c194fe5fdde843a60eb3f25316e3c89e5c09e52fe95447ba6102f3bca71479c593851f5311b02c