Analysis
- max time kernel
143s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
03/12/2023, 01:00
General
- Target file.exe
- Size 220KB
- Sample231203-bct8xagg5x
- SHA256 55b59e8d99c3df97556a24b0253f5eff7ac9d95445e98f355383fea6ac8b9bb0
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 1908 -s 13162⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1908 -ip 19081⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1908-1-0x0000000000AA0000-0x0000000000BA0000-memory.dmp
memory/1908-2-0x0000000000A60000-0x0000000000A7C000-memory.dmp
memory/1908-3-0x0000000000400000-0x00000000007C1000-memory.dmp
memory/1908-4-0x0000000000400000-0x00000000007C1000-memory.dmp
memory/1908-5-0x0000000000AA0000-0x0000000000BA0000-memory.dmp
memory/1908-6-0x0000000000A60000-0x0000000000A7C000-memory.dmp
memory/1908-8-0x0000000000400000-0x00000000007C1000-memory.dmp
memory/1908-10-0x0000000000400000-0x00000000007C1000-memory.dmp
memory/1908-12-0x0000000000400000-0x00000000007C1000-memory.dmp
memory/1908-14-0x0000000000400000-0x00000000007C1000-memory.dmp