Analysis
- user interaction
yes - max time kernel
898s - max time network
376s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
22/08/2026, 08:48
General
- Target ATLAS.Link.Setup-2.0.4.exe
- Size 129.3MB
- Sample260822-kqlclaxset
- SHA256 a5a275214a13b9c611277eb259769d13aa39b6a1fbd5a1774560ee97965a6653
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- 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 4 IoCs
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Windows directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Kills process with taskkill 2 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 41 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ATLAS.Link.Setup-2.0.4.exe"C:\Users\Admin\AppData\Local\Temp\ATLAS.Link.Setup-2.0.4.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-HJ0ZW8XV43.tmp\ATLAS.Link.Setup-2.0.4.tmp"C:\Users\Admin\AppData\Local\Temp\is-HJ0ZW8XV43.tmp\ATLAS.Link.Setup-2.0.4.tmp" /SL5="$60270,133875677,888832,C:\Users\Admin\AppData\Local\Temp\ATLAS.Link.Setup-2.0.4.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\is-G5RL3U1MPX.tmp\atlas-link-defender-exclusions.ps1"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\msiexec.exe"C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\is-G5RL3U1MPX.tmp\tailscale-setup.msi" /quiet /norestart TS_UNATTENDEDMODE=always3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\system32\taskkill.exe"C:\Windows\system32\taskkill.exe" /IM "tailscale-ipn.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\system32\taskkill.exe"C:\Windows\system32\taskkill.exe" /F /T /IM "tailscale-ipn.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Badlisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 468B98BB434E766550B76D1AB9487F6D2⤵
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_tkff0qao.roi.ps1
_is7z.dll
atlas-link-defender-exclusions.ps1
tailscale-setup.msi
ATLAS.Link.Setup-2.0.4.tmp
MSI9A23.tmp
MSI9AA1.tmp
memory/1520-10-0x0000000000410000-0x00000000004F8000-memory.dmp
memory/1520-1-0x0000000000410000-0x00000000004F8000-memory.dmp
memory/1708-41-0x000000007F4D0000-0x000000007F4E0000-memory.dmp
memory/1708-52-0x0000000007BB0000-0x0000000007C53000-memory.dmp
memory/1708-24-0x0000000005B40000-0x0000000006168000-memory.dmp
memory/1708-25-0x0000000005B00000-0x0000000005B22000-memory.dmp
memory/1708-26-0x00000000061E0000-0x0000000006246000-memory.dmp
memory/1708-27-0x00000000062C0000-0x0000000006326000-memory.dmp
memory/1708-33-0x0000000006330000-0x0000000006684000-memory.dmp
memory/1708-22-0x0000000005500000-0x0000000005510000-memory.dmp
memory/1708-36-0x00000000068E0000-0x00000000068FE000-memory.dmp
memory/1708-37-0x0000000006900000-0x000000000694C000-memory.dmp
memory/1708-63-0x0000000005500000-0x0000000005510000-memory.dmp
memory/1708-39-0x0000000008030000-0x00000000086AA000-memory.dmp
memory/1708-40-0x0000000006DF0000-0x0000000006E0A000-memory.dmp
memory/1708-62-0x0000000005500000-0x0000000005510000-memory.dmp
memory/1708-42-0x0000000007930000-0x0000000007962000-memory.dmp
memory/1708-43-0x000000006E6F0000-0x000000006E73C000-memory.dmp
memory/1708-51-0x0000000007910000-0x000000000792E000-memory.dmp
memory/1708-23-0x0000000003310000-0x0000000003346000-memory.dmp
memory/1708-53-0x0000000007CC0000-0x0000000007CCA000-memory.dmp
memory/1708-54-0x0000000007EE0000-0x0000000007F76000-memory.dmp
memory/1708-55-0x0000000007E10000-0x0000000007E21000-memory.dmp
memory/1708-56-0x0000000007E60000-0x0000000007E6E000-memory.dmp
memory/1708-57-0x0000000007E70000-0x0000000007E84000-memory.dmp
memory/1708-58-0x0000000007EB0000-0x0000000007ECA000-memory.dmp
memory/1708-59-0x0000000007EA0000-0x0000000007EA8000-memory.dmp
memory/1984-14-0x0000000000300000-0x0000000000742000-memory.dmp
memory/1984-61-0x0000000000300000-0x0000000000742000-memory.dmp
memory/1984-20-0x0000000000300000-0x0000000000742000-memory.dmp
memory/1984-136-0x0000000000300000-0x0000000000742000-memory.dmp
memory/1984-11-0x0000000000300000-0x0000000000742000-memory.dmp
memory/1984-12-0x0000000001710000-0x0000000001711000-memory.dmp
memory/1984-5-0x0000000001710000-0x0000000001711000-memory.dmp
memory/1984-281-0x0000000000300000-0x0000000000742000-memory.dmp
memory/1984-286-0x0000000000300000-0x0000000000742000-memory.dmp
memory/2336-283-0x000001CA75800000-0x000001CA77F50000-memory.dmp