Analysis
- max time kernel
301s - max time network
306s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
18/03/2024, 15:12
General
- Target Narsil.exe
- Size 146.9MB
- Sample240318-slmnvscc5w
- SHA256 33e28ac931d8477eb8d20603b7b8d8cd55a4356ef106d24b02fa3a36be0ee087
Malware Config
Extracted
-
risepro
-
95.217.5.29:50500
Extracted
-
systembc
-
wprogs.top:4001
-
leadsoftware.top:4001
Signatures
- Detect ZGRat V1 35 IoCs
- RisePro
RisePro stealer is an infostealer distributed by PrivateLoader.
- SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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
- Adds Run key to start application 2 TTPs 1 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 25 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Narsil.exe"C:\Users\Admin\AppData\Local\Temp\Narsil.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Narsil.exeC:\Users\Admin\AppData\Local\Temp\Narsil.exe2⤵
-
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C:\Users\Admin\AppData\Local\Temp\Narsil.exeC:\Users\Admin\AppData\Local\Temp\Narsil.exe2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Users\Admin\AppData\Local\Temp\heidivfi2fEc7zeIV\IC0Zozc3MoqadRczQTl4.exe"C:\Users\Admin\AppData\Local\Temp\heidivfi2fEc7zeIV\IC0Zozc3MoqadRczQTl4.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\heidivfi2fEc7zeIV\IC0Zozc3MoqadRczQTl4.exeC:\Users\Admin\AppData\Local\Temp\heidivfi2fEc7zeIV\IC0Zozc3MoqadRczQTl4.exe4⤵
- Executes dropped EXE
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-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
information.txt
IC0Zozc3MoqadRczQTl4.exe
QdX9ITDLyCRBWeb Data
ZunTSaNJLBVfWeb Data
memory/1588-5843-0x0000000000400000-0x0000000000407000-memory.dmp
memory/1700-32-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-42-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-10-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-14-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-12-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-18-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-22-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-20-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-24-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-26-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-0-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1700-34-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-36-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-30-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-28-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-16-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-38-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-44-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-58-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-40-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-46-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-48-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-50-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-54-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-56-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-52-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-60-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-64-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-8-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-1-0x0000000000BD0000-0x0000000000F0E000-memory.dmp
memory/1700-66-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-2844-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1700-4781-0x0000000005DF0000-0x0000000005DF1000-memory.dmp
memory/1700-4780-0x0000000003290000-0x00000000032A0000-memory.dmp
memory/1700-4783-0x0000000005E80000-0x0000000005ECC000-memory.dmp
memory/1700-4782-0x0000000006080000-0x000000000614C000-memory.dmp
memory/1700-4784-0x0000000006860000-0x0000000006E04000-memory.dmp
memory/1700-4788-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1700-62-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-2-0x00000000058A0000-0x0000000005B24000-memory.dmp
memory/1700-6-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-3-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/1700-4-0x00000000058A0000-0x0000000005B1F000-memory.dmp
memory/2944-5833-0x00000000042D0000-0x00000000042D1000-memory.dmp
memory/2944-5847-0x0000000004540000-0x00000000045B8000-memory.dmp
memory/2944-5846-0x0000000000400000-0x0000000000544000-memory.dmp
memory/2944-4790-0x0000000000400000-0x0000000000544000-memory.dmp
memory/2944-5834-0x0000000004540000-0x00000000045B8000-memory.dmp
memory/2944-4791-0x0000000000400000-0x0000000000544000-memory.dmp
memory/3056-4900-0x0000000005550000-0x00000000055E6000-memory.dmp
memory/3056-5827-0x0000000072B20000-0x00000000732D0000-memory.dmp
memory/3056-5826-0x0000000005670000-0x000000000569E000-memory.dmp
memory/3056-5828-0x0000000005660000-0x0000000005670000-memory.dmp
memory/3056-5824-0x0000000005660000-0x0000000005670000-memory.dmp
memory/3056-5841-0x0000000072B20000-0x00000000732D0000-memory.dmp
memory/3056-5825-0x0000000005600000-0x0000000005601000-memory.dmp
memory/3056-4901-0x0000000072B20000-0x00000000732D0000-memory.dmp
memory/3056-4899-0x0000000000CD0000-0x0000000000D70000-memory.dmp