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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
14/02/2024, 03:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe
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Size
74KB
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MD5
3af91551b31f03dad588530d74aa1c80
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SHA1
d90741f25744e67653e7654d1d6b0bb402299a6c
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SHA256
9a01cb2803ea5af58271873a5f11c1a448cef980a44a311ad5bed6b889f85408
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SHA512
3ba6e974f8fbe7028f667f3c3891d73b7afde68eafd8e7b5cf967fafb6576a0a6680ed08755c2290216798c9706f0109f0b5b58a0672ff344d8481ff5456433b
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KuY:ZVxkGOtEvwDpjcas
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012251-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2056 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2896 2024-02-14_3af91551b31f03dad588530d74aa1c80_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 2896 wrote to memory of 2056 2896 2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe 28 PID 2896 wrote to memory of 2056 2896 2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe 28 PID 2896 wrote to memory of 2056 2896 2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe 28 PID 2896 wrote to memory of 2056 2896 2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2056
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD5876f67c75629228cc61e4f3adef7f277
SHA184177a66275205cd02d5a2a8fadc783434df6a53
SHA256433dc30c21e63586b3f53d6425511d90d57f70f60ca42cfed238bfbfea3e0683
SHA512c7c5258c57f2230aff5740d7714226956348050b156377f063209e7cc987ccdbf6d12ab814678a2fd15c714e84833fae3a6377b88f9a1f44d40029d3817620a2