Analysis
- max time kernel
149s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
13/09/2026, 18:26
General
- Target hzam.exe
- Size 481KB
- Sample260913-w291wahc87
- SHA256 e4277ff113713aa2381f58a39b343fece7cefb6abef368b16ac996b5ff08dc23
Malware Config
Extracted
-
umbral
-
v1.3
-
https://discord.com/api/webhooks/1390532450865778718/QLl_iHjghZCSJsGbhqScEocrubKiB6rZFX3G1NN1CEZoYJ0Gqk-x3R9aBG6_pT4oUZuI
Signatures
- Family: Umbral
Umbral stealer is an open-source modular stealer written in C#.
- Detects Umbral payload 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 43 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\hzam.exe"C:\Users\Admin\AppData\Local\Temp\hzam.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4628-0-0x00007FFF40EBF000-0x00007FFF40EC0000-memory.dmp
memory/4628-1-0x00000148814E0000-0x000001488155E000-memory.dmp
memory/4628-2-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp
memory/4628-3-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp
memory/4628-4-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp
memory/4628-5-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp
memory/4628-7-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp
memory/4628-6-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp