Analysis
- max time kernel
299s - max time network
305s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
29/06/2026, 03:09
General
- Target safew_tseup.exe
- Size 139.0MB
- Sample260629-dnmdjsbz2z
- SHA256 8b8d0fe656209302a8d20ebaf7807f73846119d6916e3a02795b686c8890596e
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- Suspicious use of SetThreadContext 9 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 10 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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 20 IoCs
- Suspicious behavior: MapViewOfSection 10 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\safew_tseup.exe"C:\Users\Admin\AppData\Local\Temp\safew_tseup.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\ProgramData\DesktopCompanion\DesktopCompanion.exe"C:\ProgramData\DesktopCompanion\DesktopCompanion.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\TieringEngineService.exeC:\Windows\system32\TieringEngineService.exe1⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\cmd.exe"cmd /c cd /d "C:\System Volume Information\Heat" && start "" "C:\ProgramData\DesktopCompanion\DesktopCompanion.exe""1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Cache.pmt
DesktopCompanion.exe
IrTIJt32.dll
System.dll
modern-wizard.bmp
nsDialogs.dll
memory/1072-180-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-158-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-178-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-179-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-149-0x0000000000420000-0x00000000006B4000-memory.dmp
memory/1072-175-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-174-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-176-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-159-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-177-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-160-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-163-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-170-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-164-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-162-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-161-0x0000000010000000-0x0000000010299000-memory.dmp
memory/1072-150-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-203-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-192-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-193-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-197-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-196-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-195-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-191-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-205-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-207-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-204-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-206-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-208-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-194-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-209-0x0000000010000000-0x0000000010299000-memory.dmp
memory/2984-211-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3184-146-0x0000000180000000-0x00000001803BB000-memory.dmp
memory/3184-144-0x0000000180000000-0x00000001803BB000-memory.dmp
memory/3184-147-0x0000000180000000-0x00000001803BB000-memory.dmp
memory/3184-136-0x0000000180000000-0x00000001803BB000-memory.dmp
memory/3184-145-0x0000000180000000-0x00000001803BB000-memory.dmp
memory/3184-148-0x0000000180000000-0x00000001803BB000-memory.dmp
memory/3828-131-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3828-173-0x0000000000400000-0x0000000000637000-memory.dmp
memory/3828-135-0x0000000000400000-0x0000000000637000-memory.dmp
memory/3828-134-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3828-133-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3828-130-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3828-132-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3828-129-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3828-121-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3828-172-0x0000000180000000-0x0000000180933000-memory.dmp
memory/3884-225-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3884-221-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3884-226-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3884-227-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3884-233-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3884-222-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3884-223-0x0000000010000000-0x0000000010299000-memory.dmp
memory/3884-224-0x0000000010000000-0x0000000010299000-memory.dmp
memory/4892-93-0x0000000010000000-0x00000000116FE000-memory.dmp
memory/4892-88-0x0000000010000000-0x00000000116FE000-memory.dmp
memory/4892-85-0x0000000010000000-0x00000000116FE000-memory.dmp
memory/4892-92-0x0000000010000000-0x00000000116FE000-memory.dmp
memory/4892-94-0x0000000010000000-0x00000000116FE000-memory.dmp
memory/4892-96-0x000000000AEC0000-0x000000000B9F5000-memory.dmp
memory/4892-91-0x0000000010000000-0x00000000116FE000-memory.dmp
memory/4892-81-0x0000000010000000-0x00000000116FE000-memory.dmp