Analysis
- max time kernel
53s - max time network
149s - platform
windows10_x64 - resource
win10 - submitted
05/10/2020, 11:15
General
- Target CCMA Reminder Case CCMAJK12671882 GAJK.pdf.exe
- Size 369KB
- Sample201005-ylgvrnewpe
- SHA256 b5f5510913ba0d0dbc4b1e2e1f19bf0a12cd6feadc1ddf0d1fea9be8966e2859
Malware Config
Extracted
-
azorult
-
http://185.239.242.174/oue/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Loads dropped DLL 5 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- JavaScript code in executable 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CCMA Reminder Case CCMAJK12671882 GAJK.pdf.exe"C:\Users\Admin\AppData\Local\Temp\CCMA Reminder Case CCMAJK12671882 GAJK.pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CCMA Reminder Case CCMAJK12671882 GAJK.pdf.exe"C:\Users\Admin\AppData\Local\Temp\CCMA Reminder Case CCMAJK12671882 GAJK.pdf.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "CCMA Reminder Case CCMAJK12671882 GAJK.pdf.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 34⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1916-9-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1916-11-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3056-6-0x0000000004E20000-0x0000000004E21000-memory.dmp
memory/3056-8-0x0000000005B20000-0x0000000005B26000-memory.dmp
memory/3056-0-0x00000000735B0000-0x0000000073C9E000-memory.dmp
memory/3056-5-0x0000000004D30000-0x0000000004D31000-memory.dmp
memory/3056-4-0x00000000051E0000-0x00000000051E1000-memory.dmp
memory/3056-3-0x00000000028A0000-0x00000000028C5000-memory.dmp
memory/3056-1-0x0000000000440000-0x0000000000441000-memory.dmp