Analysis
- max time kernel
112s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
05/12/2023, 23:34
General
- Target file.exe
- Size 283KB
- Sample231205-3kea7sha38
- SHA256 09cba352d694a41cd4ec2e7ff64b76110fa513faa6a9fb7ebaedec967d4aa902
Malware Config
Extracted
-
stealc
-
http://5.42.64.41
-
url_path
/40d570f44e84a454.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 13042⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4028 -ip 40281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4028-1-0x0000000000CD0000-0x0000000000DD0000-memory.dmp
memory/4028-2-0x0000000000CB0000-0x0000000000CCC000-memory.dmp
memory/4028-3-0x0000000000400000-0x0000000000BA0000-memory.dmp
memory/4028-4-0x0000000000400000-0x0000000000BA0000-memory.dmp
memory/4028-5-0x0000000000CD0000-0x0000000000DD0000-memory.dmp
memory/4028-7-0x0000000000400000-0x0000000000BA0000-memory.dmp
memory/4028-9-0x0000000000400000-0x0000000000BA0000-memory.dmp
memory/4028-11-0x0000000000400000-0x0000000000BA0000-memory.dmp
memory/4028-13-0x0000000000400000-0x0000000000BA0000-memory.dmp