Analysis
- max time kernel
123s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
14/09/2023, 19:33
General
- Target TF711147-CM.exe
- Size 593KB
- Sample230914-x9xaeshc35
- SHA256 937f4dc642813c7c6148e69841fa3111c68ace1e44d4690b1bd0074fc5ea6915
Malware Config
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 12 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 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 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TF711147-CM.exe"C:\Users\Admin\AppData\Local\Temp\TF711147-CM.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\TF711147-CM.exe"C:\Users\Admin\AppData\Local\Temp\TF711147-CM.exe"2⤵
- Checks QEMU agent file
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 13043⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4408 -ip 44081⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
msvcp140.dll
nss3.dll
vcruntime140.dll
System.dll
System.dll
System.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
memory/912-33-0x0000000073D30000-0x0000000073D37000-memory.dmp
memory/912-32-0x0000000004A30000-0x0000000005B98000-memory.dmp
memory/912-31-0x00000000770E1000-0x0000000077201000-memory.dmp
memory/912-30-0x0000000004A30000-0x0000000005B98000-memory.dmp
memory/4408-34-0x00000000004A0000-0x0000000001608000-memory.dmp
memory/4408-39-0x0000000072830000-0x0000000073A84000-memory.dmp
memory/4408-40-0x00000000004A0000-0x0000000001608000-memory.dmp
memory/4408-41-0x0000000000060000-0x0000000000087000-memory.dmp
memory/4408-38-0x0000000072830000-0x0000000073A84000-memory.dmp
memory/4408-37-0x0000000077185000-0x0000000077186000-memory.dmp
memory/4408-36-0x00000000004A0000-0x0000000001608000-memory.dmp
memory/4408-35-0x0000000077168000-0x0000000077169000-memory.dmp
memory/4408-104-0x00000000770E1000-0x0000000077201000-memory.dmp
memory/4408-105-0x0000000072830000-0x0000000073A84000-memory.dmp
memory/4408-155-0x00000000004A0000-0x0000000001608000-memory.dmp
memory/4408-156-0x0000000072830000-0x0000000073A84000-memory.dmp