Analysis
- max time kernel
4s - max time network
145s - platform
windows7_x64 - resource
win7v20201028 - submitted
15/11/2020, 23:20
General
- Target 40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe
- Size 2.0MB
- Sample201115-4ea2nnqs7x
- SHA256 40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238
Malware Config
Extracted
-
azorult
-
http://0x21.in:8000/_az/
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- ServiceHost packer 16 IoCs
Detects ServiceHost packer used for .NET malware
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 8 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 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 25 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe"C:\Users\Admin\AppData\Local\Temp\40981ed2079d1c26fa7b1fb1640aa315dfdebd128741fdc1e3629d0e470e9238.exe"1⤵
- Loads dropped DLL
- 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
Loading Replay Monitor...
Downloads
memory/960-91-0x0000000074320000-0x0000000074A0E000-memory.dmp
memory/1520-53-0x0000000001320000-0x0000000001321000-memory.dmp
memory/1520-52-0x0000000074320000-0x0000000074A0E000-memory.dmp
memory/1532-20-0x000007FEF6790000-0x000007FEF6A0A000-memory.dmp
memory/1632-29-0x0000000000E80000-0x0000000000E81000-memory.dmp
memory/1632-28-0x0000000074320000-0x0000000074A0E000-memory.dmp
memory/1676-63-0x0000000002120000-0x0000000002131000-memory.dmp
memory/1676-85-0x0000000002610000-0x0000000002621000-memory.dmp
memory/1744-50-0x0000000000440000-0x00000000004DC000-memory.dmp
memory/1780-18-0x0000000074320000-0x0000000074A0E000-memory.dmp
memory/1780-21-0x00000000011F0000-0x00000000011F1000-memory.dmp
memory/1796-13-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/1880-55-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1996-19-0x0000000000240000-0x00000000002DC000-memory.dmp