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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02/05/2024, 05:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe
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Size
49KB
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MD5
670c23abb528d1f1888097185fd3a884
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SHA1
ef0a98e60fd876d88fbca8f5a419a4fe7e7393be
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SHA256
90a82474497f4d8e09182d868fce30bb56fe9a7c44727a8ad863ebe030236362
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SHA512
b0c2c06a8ae3e8294a37cd4e7f1dbc49c0eaa0332f46f597e8a1b95d9b1a79ce5ba258f69ad531cb0eb7f9f2afcf619b8b98cf00efd5dff18cca04fa13b4be19
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8N:ZVxkGOtEvwDpjcJ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000015ccd-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2476 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2368 2024-05-02_670c23abb528d1f1888097185fd3a884_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 2368 wrote to memory of 2476 2368 2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe 28 PID 2368 wrote to memory of 2476 2368 2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe 28 PID 2368 wrote to memory of 2476 2368 2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe 28 PID 2368 wrote to memory of 2476 2368 2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2476
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD52d4bd44695432d1223813f343e353b59
SHA16491bd20af00784912a0fabec64829b3f53e617d
SHA2565f6164aa8b8b8e979ba48c2032637f168afd4db9ddf9d8bb20fada096b0dff82
SHA51232b220905a687ea988da9b79da7636339a9fad38caa704bc8db104cd20522210780a0d7b2b9e266a8df49460d7d1c1b3c7c7866f4d4a7ad5996b9b14351c1534