Analysis
- max time kernel
119s - max time network
122s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
14/09/2023, 14:06
General
- Target FA010711pdf.exe
- Size 388KB
- Sample230914-rertkace6w
- SHA256 72465f74a5ef3b19cb51be862a02003bc406517bca79d5e4457223f95ee044b7
Malware Config
Extracted
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azorult
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http://46.183.220.70/bag/Panel/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 18 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\FA010711pdf.exe"C:\Users\Admin\AppData\Local\Temp\FA010711pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe"C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe"C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "wnvqhwx.exe"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 35⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
oflyqnxj.mww
wnvqhwx.exe
wnvqhwx.exe
wnvqhwx.exe
api-ms-win-crt-convert-l1-1-0.dll
api-ms-win-crt-environment-l1-1-0.dll
api-ms-win-crt-filesystem-l1-1-0.dll
api-ms-win-crt-heap-l1-1-0.dll
api-ms-win-crt-locale-l1-1-0.dll
api-ms-win-crt-math-l1-1-0.dll
api-ms-win-crt-multibyte-l1-1-0.dll
api-ms-win-crt-runtime-l1-1-0.dll
api-ms-win-crt-stdio-l1-1-0.dll
api-ms-win-crt-string-l1-1-0.dll
api-ms-win-crt-time-l1-1-0.dll
api-ms-win-crt-utility-l1-1-0.dll
mozglue.dll
msvcp140.dll
nss3.dll
vcruntime140.dll
wnvqhwx.exe
wnvqhwx.exe
memory/1688-15-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1688-14-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1688-10-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1688-159-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1756-6-0x00000000000F0000-0x00000000000F2000-memory.dmp