Analysis
- max time kernel
125s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
03/12/2023, 12:10
General
- Target file.exe
- Size 222KB
- Sample231203-pb8a2abh8s
- SHA256 a107761e07285211f678a660bd7dc514340bdd837d5ea762bb2409f237da1437
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 392 -s 12562⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 392 -ip 3921⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/392-1-0x00000000007F0000-0x00000000008F0000-memory.dmp
memory/392-2-0x0000000000940000-0x000000000095C000-memory.dmp
memory/392-3-0x0000000000400000-0x00000000007C2000-memory.dmp
memory/392-4-0x0000000000400000-0x00000000007C2000-memory.dmp
memory/392-5-0x00000000007F0000-0x00000000008F0000-memory.dmp
memory/392-7-0x0000000000400000-0x00000000007C2000-memory.dmp
memory/392-9-0x0000000000400000-0x00000000007C2000-memory.dmp
memory/392-11-0x0000000000400000-0x00000000007C2000-memory.dmp
memory/392-13-0x0000000000400000-0x00000000007C2000-memory.dmp