Analysis
- max time kernel
4s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
11/11/2020, 10:55
General
- Target d4d6982ec8929bd7f596b1c32cc19f8d95430b7e8dafb3994de890761ba1e9de.exe
- Size 2.0MB
- Sample201111-bbdeafknnx
- SHA256 d4d6982ec8929bd7f596b1c32cc19f8d95430b7e8dafb3994de890761ba1e9de
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\d4d6982ec8929bd7f596b1c32cc19f8d95430b7e8dafb3994de890761ba1e9de.exe"C:\Users\Admin\AppData\Local\Temp\d4d6982ec8929bd7f596b1c32cc19f8d95430b7e8dafb3994de890761ba1e9de.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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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\d4d6982ec8929bd7f596b1c32cc19f8d95430b7e8dafb3994de890761ba1e9de.exe"C:\Users\Admin\AppData\Local\Temp\d4d6982ec8929bd7f596b1c32cc19f8d95430b7e8dafb3994de890761ba1e9de.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/1432-16-0x00000000024A0000-0x000000000253C000-memory.dmp
memory/1784-43-0x0000000072750000-0x0000000072E3E000-memory.dmp
memory/2084-213-0x0000000072750000-0x0000000072E3E000-memory.dmp
memory/2152-19-0x0000000006630000-0x0000000006631000-memory.dmp
memory/2152-18-0x0000000006240000-0x0000000006241000-memory.dmp
memory/2152-17-0x00000000056A0000-0x00000000056A1000-memory.dmp
memory/2152-14-0x0000000005590000-0x0000000005591000-memory.dmp
memory/2152-13-0x0000000005950000-0x0000000005951000-memory.dmp
memory/2152-9-0x0000000000C30000-0x0000000000C31000-memory.dmp
memory/2152-7-0x0000000072750000-0x0000000072E3E000-memory.dmp
memory/2676-11-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3132-49-0x0000000002940000-0x00000000029DC000-memory.dmp
memory/3860-33-0x0000000006750000-0x0000000006751000-memory.dmp
memory/3860-24-0x0000000072750000-0x0000000072E3E000-memory.dmp
memory/3960-58-0x0000000004170000-0x0000000004171000-memory.dmp
memory/3960-209-0x0000000005290000-0x0000000005291000-memory.dmp
memory/3960-76-0x0000000004C20000-0x0000000004C21000-memory.dmp