Analysis
- max time kernel
149s - max time network
99s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
25/03/2026, 14:36
General
- Target Woba.exe
- Size 2.1MB
- Sample260325-ryrmxabw8x
- SHA256 a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2
Malware Config
Signatures
- CHStealer
CHStealer is a stealer written in C#.
- Chstealer family
- Detects CHStealer payload 1 IoCs
- 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
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Woba.exe"C:\Users\Admin\AppData\Local\Temp\Woba.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4932-2-0x00000000007B0000-0x00000000007F2000-memory.dmp
memory/4932-5-0x0000000004E50000-0x0000000004E60000-memory.dmp
memory/4932-7-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/4932-8-0x0000000000A50000-0x0000000000A72000-memory.dmp
memory/4932-10-0x0000000004E50000-0x0000000004E60000-memory.dmp
memory/4932-9-0x00000000059A0000-0x00000000059A6000-memory.dmp
memory/4936-0-0x0000000000D40000-0x0000000000F56000-memory.dmp
memory/4936-1-0x0000000005910000-0x0000000005920000-memory.dmp
memory/4936-4-0x00000000018E0000-0x0000000001902000-memory.dmp