Analysis
- max time kernel
139s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231023-en - resource tags
- submitted
01/11/2023, 23:33
General
- Target file.exe
- Size 222KB
- Sample231101-3jtphaec7y
- SHA256 b876aced86b0a17b4469db3a1bd3b18e01ba292eb205fd2796c117aa3cf0e2c9
Score
10/10
Malware Config
Extracted
Family
-
stealc
rc4.plain
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 3772 -s 11962⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3772 -ip 37721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3772-1-0x0000000000A10000-0x0000000000B10000-memory.dmp
memory/3772-2-0x0000000000940000-0x000000000095B000-memory.dmp
memory/3772-3-0x0000000000400000-0x00000000007C0000-memory.dmp
memory/3772-5-0x0000000000400000-0x00000000007C0000-memory.dmp
memory/3772-7-0x0000000000940000-0x000000000095B000-memory.dmp