Analysis
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max time kernel
148s -
max time network
145s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
22-09-2021 20:59
Static task
static1
Behavioral task
behavioral1
Sample
????????????MV.cmd.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
????????????MV.cmd.exe
Resource
win10-en-20210920
General
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Target
????????????MV.cmd.exe
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Size
2.0MB
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MD5
0889ac4ebfcc906fa3dc17f3a97862da
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SHA1
dcf4239b4535a3bc4a2a83fadab113984421d086
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SHA256
07ebb19e273995bef00aa19ad538b5cacb5eb0527288c3f5a31be66bfc1d9bb9
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SHA512
419d4c89cd9607e2140b0f1eb49c47ed2a0998d40777914bf5b443e5c6906da875407f769b286da390b36f19fcdd9411dd0b6583e3513d1460d3e11533e45bf3
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 behavioral2/memory/2160-115-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dyydhdv.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\____________MV.cmd.exe" ____________MV.cmd.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\P: ____________MV.cmd.exe File opened (read-only) \??\R: ____________MV.cmd.exe File opened (read-only) \??\S: ____________MV.cmd.exe File opened (read-only) \??\T: ____________MV.cmd.exe File opened (read-only) \??\G: ____________MV.cmd.exe File opened (read-only) \??\H: ____________MV.cmd.exe File opened (read-only) \??\I: ____________MV.cmd.exe File opened (read-only) \??\L: ____________MV.cmd.exe File opened (read-only) \??\V: ____________MV.cmd.exe File opened (read-only) \??\W: ____________MV.cmd.exe File opened (read-only) \??\F: ____________MV.cmd.exe File opened (read-only) \??\J: ____________MV.cmd.exe File opened (read-only) \??\N: ____________MV.cmd.exe File opened (read-only) \??\Q: ____________MV.cmd.exe File opened (read-only) \??\Z: ____________MV.cmd.exe File opened (read-only) \??\M: ____________MV.cmd.exe File opened (read-only) \??\O: ____________MV.cmd.exe File opened (read-only) \??\U: ____________MV.cmd.exe File opened (read-only) \??\X: ____________MV.cmd.exe File opened (read-only) \??\B: ____________MV.cmd.exe File opened (read-only) \??\E: ____________MV.cmd.exe File opened (read-only) \??\K: ____________MV.cmd.exe File opened (read-only) \??\Y: ____________MV.cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ____________MV.cmd.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ____________MV.cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2160 ____________MV.cmd.exe 2160 ____________MV.cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2160 ____________MV.cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\____________MV.cmd.exe"C:\Users\Admin\AppData\Local\Temp\____________MV.cmd.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2160