Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
13/09/2023, 12:57
General
- Target ca77a885c5e62f0cda624be72bb3db4.exe
- Size 287KB
- Sample230913-p7ectsee62
- SHA256 854f1a294c0c0d5ece4903353fd4776eed29922e240fa97a8fbd8406e2a60798
Score
10/10
Malware Config
Extracted
Family
-
gurcu
C2
-
https://api.telegram.org/bot6176004110:AAFKA5be4dMwA848HWxzYIzrzzOGIHMOJGc/sendMessage?chat_id=615133582
Signatures
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca77a885c5e62f0cda624be72bb3db4.exe"C:\Users\Admin\AppData\Local\Temp\ca77a885c5e62f0cda624be72bb3db4.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/512-0-0x000002393FDD0000-0x000002393FE1E000-memory.dmp
memory/512-1-0x00007FFFB9800000-0x00007FFFBA2C1000-memory.dmp
memory/512-2-0x000002395A3F0000-0x000002395A400000-memory.dmp
memory/512-3-0x00007FFFB9800000-0x00007FFFBA2C1000-memory.dmp
memory/512-4-0x000002395A3F0000-0x000002395A400000-memory.dmp