Analysis
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max time kernel
30s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 16:06
Static task
static1
Behavioral task
behavioral1
Sample
4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe
Resource
win10v2004-20220901-en
General
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Target
4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe
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Size
410KB
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MD5
1380171dc8f2b490b2f9ea2a926a4529
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SHA1
265d26947519cd663e7c24c212bf20c7bfbd6ae5
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SHA256
4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c
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SHA512
d8be5c86b42c87e5e2ca227f5c1e45f4150924ca1827657be880cbe53c858f98f0e8f8fe6cf9f581f615b4245ed5480eebe50a57a4e06fb8271bd5f8761c7d8e
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SSDEEP
12288:VhiPdZq09/zCXgquXohv/lZW1K3DnsPNyxN:Vknq0NuPuXohvLW4DsPwT
Malware Config
Signatures
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resource yara_rule behavioral1/memory/960-58-0x0000000000860000-0x0000000000870000-memory.dmp upx behavioral1/memory/960-60-0x0000000000860000-0x0000000000870000-memory.dmp upx -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key 4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ 4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" 4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 960 4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe 960 4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe"C:\Users\Admin\AppData\Local\Temp\4ac4cdb560926f8db1ef1f5b8466f8affd59b7f5fd4f4e2a5e0db31494feb22c.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:960