Analysis
- max time kernel
79s - max time network
124s - platform
windows10_x64 - resource
win10 - submitted
19/08/2020, 11:50
General
- Target CogeNew.exe
- Size 587KB
- Sample200819-mk4f729swj
- SHA256 3c51cd93b2321df2f3d939c1f0d045e6ed60fb33c4f445a4794e0987cd0de941
Malware Config
Extracted
-
azorult
-
http://pxi.bandifer.us/adwork/eb/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 5 IoCs
- Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CogeNew.exe"C:\Users\Admin\AppData\Local\Temp\CogeNew.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3404-7-0x0000000005CB0000-0x0000000005CB3000-memory.dmp
memory/3404-6-0x0000000005F10000-0x0000000005F11000-memory.dmp
memory/3404-5-0x0000000006330000-0x0000000006331000-memory.dmp
memory/3404-0-0x00000000735B0000-0x0000000073C9E000-memory.dmp
memory/3404-3-0x0000000002EA0000-0x0000000002EC1000-memory.dmp
memory/3404-1-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
memory/3508-8-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3508-11-0x0000000000400000-0x0000000000420000-memory.dmp