Analysis
- max time kernel
152s - max time network
158s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
14/10/2023, 04:15
General
- Target sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe
- Size 86KB
- Sample231014-evp9fsab52
- SHA256 c1cae9e0a93114e0c9ce011279c41cf0f56d59edcaa4e2ea3c3066a2c0bb76ac
Score
10/10
Malware Config
Signatures
- Detect Gurcu Stealer V3 payload 1 IoCs
- Gurcu, WhiteSnake
Gurcu is a malware stealer written in C#.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe"C:\Users\Admin\AppData\Local\Temp\sdd4f38eb14d22bb3b0d3b9178295b1142f83.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2880-0-0x0000000000E80000-0x0000000000E9C000-memory.dmp
memory/2880-1-0x000007FEF5050000-0x000007FEF5A3C000-memory.dmp
memory/2880-2-0x000000001B150000-0x000000001B1D0000-memory.dmp
memory/2880-3-0x000007FEF5050000-0x000007FEF5A3C000-memory.dmp