Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
05/08/2026, 07:37
General
- Target VisualStudioSetup.exe
- Size 5.4MB
- Sample260805-jgbw5asamb
- SHA256 777da97e680548f568cd1f453f56aa64a7a8e69315953cec322683c9657b3a70
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 21 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\VisualStudioSetup.exe"C:\Users\Admin\AppData\Local\Temp\VisualStudioSetup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\94006e8ed5048ce483bb7cf1e9\vs_bootstrapper_d15\vs_setup_bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\94006e8ed5048ce483bb7cf1e9\vs_bootstrapper_d15\vs_setup_bootstrapper.exe" --env "_SFX_CAB_EXE_PACKAGE:C:\Users\Admin\AppData\Local\Temp\VisualStudioSetup.exe _SFX_CAB_EXE_ORIGINALWORKINGDIR:C:\Users\Admin\AppData\Local\Temp"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\getmac.exe"getmac"3⤵
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
20260805073844_ed013a6cc0054f3493c7723e76c269a2.trn
Microsoft.C2RSignatureReader.Interop.dll
Microsoft.C2RSignatureReader.Native.dll
Microsoft.VisualStudio.RemoteControl.dll
Microsoft.VisualStudio.Setup.Common.dll
Microsoft.VisualStudio.Setup.Download.dll
Microsoft.VisualStudio.Setup.dll
Microsoft.VisualStudio.Telemetry.dll
Microsoft.VisualStudio.Utilities.Internal.dll
Newtonsoft.Json.dll
System.Memory.dll
System.Runtime.CompilerServices.Unsafe.dll
detection.json
vs_setup_bootstrapper.config
vs_setup_bootstrapper.exe
vs_setup_bootstrapper.exe.config
vs_setup_bootstrapper.json
memory/2056-235-0x0000000008600000-0x00000000086BA000-memory.dmp
memory/2056-182-0x00000000000D0000-0x0000000000124000-memory.dmp
memory/2056-215-0x0000000005760000-0x0000000005788000-memory.dmp
memory/2056-219-0x0000000005640000-0x0000000005648000-memory.dmp
memory/2056-204-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-194-0x0000000005360000-0x000000000546A000-memory.dmp
memory/2056-223-0x0000000005B00000-0x0000000005B10000-memory.dmp
memory/2056-202-0x0000000005250000-0x00000000052A4000-memory.dmp
memory/2056-198-0x0000000005110000-0x000000000511A000-memory.dmp
memory/2056-228-0x0000000005E00000-0x0000000005E22000-memory.dmp
memory/2056-190-0x00000000051B0000-0x0000000005250000-memory.dmp
memory/2056-186-0x0000000004D80000-0x0000000004F02000-memory.dmp
memory/2056-229-0x0000000005E30000-0x000000000618B000-memory.dmp
memory/2056-230-0x0000000006610000-0x0000000006676000-memory.dmp
memory/2056-231-0x0000000006DE0000-0x0000000006E72000-memory.dmp
memory/2056-232-0x0000000007440000-0x00000000079FA000-memory.dmp
memory/2056-211-0x00000000055F0000-0x0000000005604000-memory.dmp
memory/2056-207-0x0000000005820000-0x00000000058D4000-memory.dmp
memory/2056-238-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-239-0x000000000B0C0000-0x000000000B0C8000-memory.dmp
memory/2056-240-0x000000000B0E0000-0x000000000B0E8000-memory.dmp
memory/2056-241-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-243-0x000000000A8A0000-0x000000000A8AE000-memory.dmp
memory/2056-242-0x000000000BB30000-0x000000000BB6E000-memory.dmp
memory/2056-244-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-245-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-249-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-250-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-251-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-252-0x0000000073432000-0x0000000073433000-memory.dmp
memory/2056-253-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-254-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-255-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-259-0x0000000073420000-0x0000000073BDC000-memory.dmp
memory/2056-180-0x0000000073432000-0x0000000073433000-memory.dmp