Analysis
- max time kernel
143s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
20/11/2023, 04:20
General
- Target SecuriteInfo.com.Win32.Evo-gen.25423.22998.exe
- Size 195KB
- Sample231120-ex384adg43
- SHA256 4a4edf2b54ebe39c26293d94699b07050709a8549c213f9ac8f344f766707fc9
Malware Config
Extracted
-
marsstealer
-
Default
-
alpha.twinsources.shop/gate.php
Signatures
- Mars Stealer
An infostealer written in C++ based on other infostealers.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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.
- 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 use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.25423.22998.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.25423.22998.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.25423.22998.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
memory/2912-0-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2912-1-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2912-4-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2912-5-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2912-6-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2912-8-0x0000000060900000-0x0000000060992000-memory.dmp
memory/2912-73-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2912-74-0x0000000000400000-0x0000000000470000-memory.dmp