Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
06/07/2026, 08:22
General
- Target b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc.exe
- Size 5.7MB
- Sample260706-j93wbact4x
- SHA256 b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc
Malware Config
Extracted
-
hijackloader
-
directory
%APPDATA%\osd_patch_beta
-
inject_dll
%windir%\SysWOW64\pla.dll
Signatures
- Family: DeerStealer
DeerStealer is a sophisticated information stealer written in C++.
- Family: HijackLoader, IDAT loader, Ghostulse,
HijackLoader is a multi-stage loader, first seen in 2023.
- Detects DeerStealer 8 IoCs
- Detects HijackLoader (aka IDAT Loader) 1 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 8 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc.exe"C:\Users\Admin\AppData\Local\Temp\b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Temp\{4696E5AC-DF28-4014-AE8F-34F0F11F8EB0}\.cr\b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc.exe"C:\Windows\Temp\{4696E5AC-DF28-4014-AE8F-34F0F11F8EB0}\.cr\b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc.exe" -burn.filehandle.attached=744 -burn.filehandle.self=7482⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\Temp\{B6EA5AED-AF26-4EF5-BDBE-B52C59DF3C96}\.ba\SplashWin.exeC:\Windows\Temp\{B6EA5AED-AF26-4EF5-BDBE-B52C59DF3C96}\.ba\SplashWin.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\osd_patch_beta\SplashWin.exeC:\Users\Admin\AppData\Roaming\osd_patch_beta\SplashWin.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Syncsign_v1.exeC:\Users\Admin\AppData\Local\Temp\Syncsign_v1.exe6⤵
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
7ed156df
Syncsign_v1.exe
b2395af2b5497ded848bfffc2192747510420b0a7bab9897322aed765c66d9dc.exe
Centre.dll
DuiLib_u.dll
SplashWin.exe
VCRUNTIME140.dll
diorama.json
fizgig.avi
msvcp140.dll
memory/2296-27-0x00000000730C0000-0x0000000073248000-memory.dmp
memory/2296-28-0x00007FFE9C7C0000-0x00007FFE9CA23000-memory.dmp
memory/4080-41-0x00000000730C0000-0x0000000073248000-memory.dmp
memory/4080-38-0x00007FFE9C7C0000-0x00007FFE9CA23000-memory.dmp
memory/4544-35-0x00000000730C0000-0x0000000073248000-memory.dmp
memory/4544-34-0x00007FFE9C7C0000-0x00007FFE9CA23000-memory.dmp
memory/4544-33-0x00000000730C0000-0x0000000073248000-memory.dmp
memory/4576-49-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-50-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-52-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-60-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-61-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-66-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-67-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-69-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-70-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp
memory/4576-71-0x00007FF79DCD0000-0x00007FF79DFF5000-memory.dmp