Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
06/10/2026, 14:05
General
- Target jaffacakes118_Trojan-Downloader.Win32.Upatre.gyvr.exe
- Size 148KB
- Sample261006-rd6lbszzfx
- SHA256 05fe6ab73cef8351165d2d50c8789132718c49f790126fb0fe7fcf3445442b20
Malware Config
Extracted
-
smokeloader
-
x4w
Extracted
-
smokeloader
-
cece
Extracted
-
smokeloader
-
2018
-
http://proxy-exe.bit/2/
-
http://kiyanka.club/2/
-
http://d3s1.me/2/
Signatures
- Family: SmokeLoader
Modular backdoor trojan in use since 2014.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 TTPs 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gyvr.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gyvr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gyvr.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gyvr.exe"2⤵
- Maps connected drives based on registry
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2864-0-0x0000000002020000-0x000000000202A000-memory.dmp
memory/5088-2-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5088-1-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5088-5-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5360-4-0x0000000002C20000-0x0000000002C21000-memory.dmp
memory/5360-3-0x0000000002C50000-0x0000000002C65000-memory.dmp
memory/5360-6-0x0000000002C50000-0x0000000002C65000-memory.dmp