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Analysis
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max time kernel
98s -
max time network
90s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 01:51
Behavioral task
behavioral1
Sample
074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe
Resource
win10v2004-20220812-en
General
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Target
074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe
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Size
414KB
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MD5
235922ab7359d09d2bb373a2e8a07203
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SHA1
478830bf30eb8674b24e8d9ae9f3e2c8ab884c87
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SHA256
074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa
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SHA512
6c9ab2277dbe886745421215e2a3df11788209e4722561125923f49274d44bab1293d9cb97f51ddcdb267980c24db0a202add542786663dcd2fe39d62e692304
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SSDEEP
6144:cz0byeUKXHmXj11GRp6ajHd3DZK2zI+W/yAelKjwMxq18SC8zzrKtAsZDI:BHSj11cD1PyKkjjNSfFb
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1204-55-0x0000000000400000-0x000000000052B000-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 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe -
Suspicious use of SendNotifyMessage 6 IoCs
pid Process 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe 1204 074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe"C:\Users\Admin\AppData\Local\Temp\074d588635458f1cc51a301b894c3b6ad143d5f3c78b420d698106fffd0eddaa.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1204