Analysis
- max time kernel
7s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
06/11/2020, 11:46
General
- Target 8f2ad0a7a9bcd06a6f4dffe37c5bcba72e653f9752c2af2fd22176416cbe12b5.exe
- Size 2.0MB
- Sample201106-jyjnx9dev2
- SHA256 8f2ad0a7a9bcd06a6f4dffe37c5bcba72e653f9752c2af2fd22176416cbe12b5
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 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\8f2ad0a7a9bcd06a6f4dffe37c5bcba72e653f9752c2af2fd22176416cbe12b5.exe"C:\Users\Admin\AppData\Local\Temp\8f2ad0a7a9bcd06a6f4dffe37c5bcba72e653f9752c2af2fd22176416cbe12b5.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\8f2ad0a7a9bcd06a6f4dffe37c5bcba72e653f9752c2af2fd22176416cbe12b5.exe"C:\Users\Admin\AppData\Local\Temp\8f2ad0a7a9bcd06a6f4dffe37c5bcba72e653f9752c2af2fd22176416cbe12b5.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/736-5-0x00000000001C0000-0x00000000001E0000-memory.dmp
memory/796-131-0x0000000005840000-0x0000000005841000-memory.dmp
memory/796-59-0x00000000049A0000-0x00000000049A1000-memory.dmp
memory/1132-43-0x0000000071EF0000-0x00000000725DE000-memory.dmp
memory/1472-33-0x0000000006180000-0x0000000006181000-memory.dmp
memory/1472-24-0x0000000071EF0000-0x00000000725DE000-memory.dmp
memory/1780-109-0x0000000071EF0000-0x00000000725DE000-memory.dmp
memory/2208-50-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2344-49-0x0000000002770000-0x000000000280C000-memory.dmp
memory/2988-12-0x0000000071EF0000-0x00000000725DE000-memory.dmp
memory/2988-18-0x00000000062C0000-0x00000000062C1000-memory.dmp
memory/2988-17-0x0000000005760000-0x0000000005761000-memory.dmp
memory/2988-19-0x00000000066B0000-0x00000000066B1000-memory.dmp
memory/2988-16-0x00000000053C0000-0x00000000053C1000-memory.dmp
memory/2988-15-0x00000000058C0000-0x00000000058C1000-memory.dmp
memory/2988-13-0x0000000000AB0000-0x0000000000AB1000-memory.dmp
memory/3484-11-0x0000000000810000-0x00000000008AC000-memory.dmp