Analysis
- max time kernel
9s - max time network
141s - platform
windows7_x64 - resource
win7v20201028 - submitted
06/11/2020, 10:44
General
- Target 570f6415d2dec01d2fa1616a85636e20b8cb9bd437d4be605704f28568172e31.exe
- Size 2.0MB
- Sample201106-h2yms37rxj
- SHA256 570f6415d2dec01d2fa1616a85636e20b8cb9bd437d4be605704f28568172e31
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 14 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\570f6415d2dec01d2fa1616a85636e20b8cb9bd437d4be605704f28568172e31.exe"C:\Users\Admin\AppData\Local\Temp\570f6415d2dec01d2fa1616a85636e20b8cb9bd437d4be605704f28568172e31.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\570f6415d2dec01d2fa1616a85636e20b8cb9bd437d4be605704f28568172e31.exe"C:\Users\Admin\AppData\Local\Temp\570f6415d2dec01d2fa1616a85636e20b8cb9bd437d4be605704f28568172e31.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/572-63-0x0000000002120000-0x0000000002131000-memory.dmp
memory/572-85-0x00000000028D0000-0x00000000028E1000-memory.dmp
memory/620-51-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/808-50-0x0000000073980000-0x000000007406E000-memory.dmp
memory/808-54-0x0000000000B40000-0x0000000000B41000-memory.dmp
memory/1084-28-0x0000000073980000-0x000000007406E000-memory.dmp
memory/1084-29-0x0000000001190000-0x0000000001191000-memory.dmp
memory/1348-18-0x0000000000230000-0x00000000002CC000-memory.dmp
memory/1512-14-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/1676-20-0x000007FEF5D50000-0x000007FEF5FCA000-memory.dmp
memory/1968-17-0x0000000073980000-0x000000007406E000-memory.dmp
memory/1968-21-0x00000000010C0000-0x00000000010C1000-memory.dmp
memory/1996-57-0x00000000000F0000-0x000000000018C000-memory.dmp