Analysis
- max time kernel
154s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
17/10/2023, 04:50
General
- Target file.exe
- Size 228KB
- Sample231017-ff8ypahd3s
- SHA256 78e6096326c837b23be4519087c4f920a0e5c0b3dca3a407e926a8d3940bde2f
Malware Config
Extracted
-
stealc
-
http://elijahdiego.top
-
url_path
/e9c345fc99a4e67e.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Downloads MZ/PE file
- 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.
- 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⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 26162⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2076 -ip 20761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
mozglue.dll
nss3.dll
memory/2076-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2076-55-0x0000000002370000-0x000000000238B000-memory.dmp
memory/2076-54-0x0000000000750000-0x0000000000850000-memory.dmp
memory/2076-1-0x0000000000750000-0x0000000000850000-memory.dmp
memory/2076-3-0x0000000000400000-0x000000000062D000-memory.dmp
memory/2076-73-0x0000000000400000-0x000000000062D000-memory.dmp
memory/2076-74-0x0000000000400000-0x000000000062D000-memory.dmp
memory/2076-2-0x0000000002370000-0x000000000238B000-memory.dmp
memory/2076-87-0x0000000000400000-0x000000000062D000-memory.dmp