Analysis
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max time kernel
122s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
15-08-2023 14:50
Static task
static1
Behavioral task
behavioral1
Sample
70Server.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
70Server.exe
Resource
win10v2004-20230703-en
General
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Target
70Server.exe
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Size
748KB
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MD5
19bfecea34452c2523dd895bab3cabad
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SHA1
5f009fdd6acc88099077bda15e381d7730831e43
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SHA256
f5fd15e4f561d935846d227639d2af2c5a19c9f7932adcc6da0bff654eb42517
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SHA512
648677be097472f7eae9ef2a503379c68230c7278b394282948ab2faee9e5a4cf08094199af87f8b48dcced9307b62fc3a18cb271e94827e6e096354cba5ef84
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SSDEEP
6144:zHzIhp/8eYjbeb/yQpDa3ST+7GB65HoFN6WtljaJul+pw8T:LkIbWzNa3STSGE5HoFN6WtljaElI9T
Malware Config
Signatures
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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Chinese Botnet payload 1 IoCs
resource yara_rule behavioral1/memory/2508-54-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\Vpnyjkl.exe" 70Server.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: 70Server.exe File opened (read-only) \??\R: 70Server.exe File opened (read-only) \??\X: 70Server.exe File opened (read-only) \??\J: 70Server.exe File opened (read-only) \??\N: 70Server.exe File opened (read-only) \??\T: 70Server.exe File opened (read-only) \??\Z: 70Server.exe File opened (read-only) \??\S: 70Server.exe File opened (read-only) \??\V: 70Server.exe File opened (read-only) \??\W: 70Server.exe File opened (read-only) \??\B: 70Server.exe File opened (read-only) \??\G: 70Server.exe File opened (read-only) \??\K: 70Server.exe File opened (read-only) \??\L: 70Server.exe File opened (read-only) \??\M: 70Server.exe File opened (read-only) \??\Y: 70Server.exe File opened (read-only) \??\U: 70Server.exe File opened (read-only) \??\H: 70Server.exe File opened (read-only) \??\I: 70Server.exe File opened (read-only) \??\O: 70Server.exe File opened (read-only) \??\P: 70Server.exe File opened (read-only) \??\Q: 70Server.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Vpnyjkl.exe 70Server.exe File opened for modification C:\Windows\Vpnyjkl.exe 70Server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2508 70Server.exe 2508 70Server.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2508 70Server.exe