Analysis
- max time kernel
6s - max time network
155s - platform
windows10_x64 - resource
win10v20201028 - submitted
13/11/2020, 15:11
General
- Target aa5a4440dab4909f58308d8c80a2d2a0b2edfb56aa4e60aa67e83e9203773a07.exe
- Size 2.0MB
- Sample201113-n76bk8bnqs
- SHA256 aa5a4440dab4909f58308d8c80a2d2a0b2edfb56aa4e60aa67e83e9203773a07
Malware Config
Extracted
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azorult
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http://0x21.in:8000/_az/
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- ServiceHost packer 36 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\aa5a4440dab4909f58308d8c80a2d2a0b2edfb56aa4e60aa67e83e9203773a07.exe"C:\Users\Admin\AppData\Local\Temp\aa5a4440dab4909f58308d8c80a2d2a0b2edfb56aa4e60aa67e83e9203773a07.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\aa5a4440dab4909f58308d8c80a2d2a0b2edfb56aa4e60aa67e83e9203773a07.exe"C:\Users\Admin\AppData\Local\Temp\aa5a4440dab4909f58308d8c80a2d2a0b2edfb56aa4e60aa67e83e9203773a07.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/1204-115-0x0000000072750000-0x0000000072E3E000-memory.dmp
memory/1676-38-0x0000000004A60000-0x0000000004A61000-memory.dmp
memory/1676-88-0x0000000005C10000-0x0000000005C11000-memory.dmp
memory/2788-16-0x0000000003070000-0x000000000310C000-memory.dmp
memory/2940-19-0x0000000005F90000-0x0000000005F91000-memory.dmp
memory/2940-18-0x0000000005BC0000-0x0000000005BC1000-memory.dmp
memory/2940-17-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/2940-14-0x0000000004D80000-0x0000000004D81000-memory.dmp
memory/2940-8-0x0000000000460000-0x0000000000461000-memory.dmp
memory/2940-13-0x0000000005180000-0x0000000005181000-memory.dmp
memory/2940-7-0x0000000072750000-0x0000000072E3E000-memory.dmp
memory/3508-33-0x0000000006830000-0x0000000006831000-memory.dmp
memory/3508-24-0x0000000072750000-0x0000000072E3E000-memory.dmp
memory/3948-10-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4376-163-0x0000000000C50000-0x0000000000CEC000-memory.dmp
memory/4424-162-0x0000000072750000-0x0000000072E3E000-memory.dmp