Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
20/04/2024, 01:13
General
- Target 4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe
- Size 210KB
- Sample240420-blh71add31
- SHA256 4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d
Malware Config
Extracted
-
xehook
-
https://unotree.ru/
-
https://aiwhcpoaw.ru/
Signatures
- Detect Xehook Payload 3 IoCs
- Xehook stealer
Xehook is an infostealer written in C#.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 use of SetThreadContext 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe"C:\Users\Admin\AppData\Local\Temp\4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1580-1-0x0000000000710000-0x0000000000746000-memory.dmp
memory/1580-2-0x0000000000710000-0x0000000000746000-memory.dmp
memory/3916-0-0x0000000000400000-0x000000000041C000-memory.dmp
memory/3916-3-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3916-4-0x00000000058C0000-0x0000000005E64000-memory.dmp
memory/3916-5-0x0000000005590000-0x00000000055A0000-memory.dmp
memory/3916-6-0x0000000006220000-0x0000000006286000-memory.dmp
memory/3916-7-0x0000000006820000-0x00000000068B2000-memory.dmp
memory/3916-12-0x0000000074510000-0x0000000074CC0000-memory.dmp