Analysis
- max time kernel
5s - max time network
150s - platform
windows10_x64 - resource
win10v20201028 - submitted
15/11/2020, 23:20
General
- Target 40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe
- Size 2.0MB
- Sample201115-4ea2nnqs7x
- SHA256 40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238
Malware Config
Extracted
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azorult
-
http://0x21.in:8000/_az/
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- ServiceHost packer 34 IoCs
Detects ServiceHost packer used for .NET malware
- Executes dropped EXE 2 IoCs
- Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 2 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe"C:\Users\Admin\AppData\Local\Temp\40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe"1⤵
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
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-
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe"C:\Users\Admin\AppData\Local\Temp\40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe"2⤵
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F2⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/216-12-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1360-43-0x0000000072C70000-0x000000007335E000-memory.dmp
memory/2472-15-0x0000000002E80000-0x0000000002F1C000-memory.dmp
memory/2928-59-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/2928-60-0x0000000005060000-0x0000000005061000-memory.dmp
memory/2928-98-0x0000000005D80000-0x0000000005D81000-memory.dmp
memory/3916-49-0x0000000003150000-0x00000000031EC000-memory.dmp
memory/3952-35-0x0000000006450000-0x0000000006451000-memory.dmp
memory/3952-25-0x0000000072C70000-0x000000007335E000-memory.dmp
memory/4028-9-0x00000000001E0000-0x00000000001E1000-memory.dmp
memory/4028-20-0x0000000005BE0000-0x0000000005BE1000-memory.dmp
memory/4028-19-0x0000000005810000-0x0000000005811000-memory.dmp
memory/4028-17-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
memory/4028-13-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/4028-11-0x00000000050B0000-0x00000000050B1000-memory.dmp
memory/4028-7-0x0000000072C70000-0x000000007335E000-memory.dmp
memory/4132-156-0x0000000072C70000-0x000000007335E000-memory.dmp