Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2023 15:41
Static task
static1
Behavioral task
behavioral1
Sample
49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe
Resource
win10v2004-20231020-en
General
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Target
49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe
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Size
824KB
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MD5
d7183b449d767ca6901712b53b8b90e5
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SHA1
2cdccfd734267886002420943ff70c2a89c754a5
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SHA256
49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87
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SHA512
c535a46feaae45ce80950ff29ac3d4c92d74711bb252431b40e654e8dd79c32352abf069df7dd91965a48a6abd7d1a7083544f634a076b016f4df63bd754c4d8
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SSDEEP
24576:hnbowj0dBaF/ZMnaMNpLxlvLcE8dQDFGw5upECtw:9bYaF+3xVLcoxp5uFtw
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 2 IoCs
resource yara_rule behavioral2/memory/4836-13075-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet behavioral2/memory/4836-13078-0x0000000000400000-0x0000000000515000-memory.dmp unk_chinese_botnet -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Krlulai.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe" 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.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) \??\S: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\T: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\Z: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\E: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\N: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\Q: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\R: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\H: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\L: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\P: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\V: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\X: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\B: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\G: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\M: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\U: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\W: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\Y: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\I: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\J: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\K: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe File opened (read-only) \??\O: 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 34 IoCs
pid Process 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe 4836 49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe"C:\Users\Admin\AppData\Local\Temp\49db9fd4dd9b778f0f8afdd9d7099c25b42c7d1aa2247bd7ac949fabc9d2ff87.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4836