Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 06:31
Static task
static1
Behavioral task
behavioral1
Sample
catalog availability.exe
Resource
win10v2004-20260513-en
General
- Target catalog availability.exe
- Size 988KB
- Sample260826-hakd9atdph
- SHA256 f46d33c375782da0e95cf1c67ac78a2b3204d71363763b044ae541172f1d3d81
- MD5 4f90eaf3f262ee35307afcd237865e3d
- SHA1 f9f09c04feb8bbf8c6fd58488694a202d7ccb8d5
- SHA512 da4b1e62562b2f9f7e7766a0fe7167a02bdd31d6dc697726f43e447480e702132084928629064ef0c3f40681d7015723e8f2208f19511eaefacfe86c69958e96
- SSDEEP 24576:rIr9G1fWPbMUpO5I7UXA/SKq5WWenbIfP:rQRbLpaJw/SKyWfng
- TLSH T11B25011496274223F96B7EB8DD71D2F097348D6BB529F21A09DC9CFA742B390BD00726
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/1924-11-0x0000000000400000-0x0000000000438000-memory.dmp family_xworm - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 6356 powershell.exe - Executes dropped EXE 3 IoCs
pid Process 5448 Pictures.exe 6508 Pictures.exe 6720 Pictures.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pictures = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Pictures.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4160 set thread context of 1924 4160 catalog availability.exe 91 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Pictures.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Pictures.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Pictures.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language catalog availability.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1296 schtasks.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1924 RegSvcs.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 6356 powershell.exe 6356 powershell.exe 1924 RegSvcs.exe 1924 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1924 RegSvcs.exe Token: SeDebugPrivilege 6356 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1924 RegSvcs.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4160 wrote to memory of 6356 4160 catalog availability.exe 89 PID 4160 wrote to memory of 1924 4160 catalog availability.exe 91 PID 4160 wrote to memory of 1924 4160 catalog availability.exe 91 PID 4160 wrote to memory of 1924 4160 catalog availability.exe 91 PID 4160 wrote to memory of 1924 4160 catalog availability.exe 91 PID 4160 wrote to memory of 1924 4160 catalog availability.exe 91 PID 1924 wrote to memory of 1296 1924 RegSvcs.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\catalog availability.exe"C:\Users\Admin\AppData\Local\Temp\catalog availability.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\catalog availability.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6356
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Pictures" /tr "C:\Users\Admin\AppData\Local\Temp\Pictures.exe"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1296
-
-
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C:\Users\Admin\AppData\Local\Temp\Pictures.exeC:\Users\Admin\AppData\Local\Temp\Pictures.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5448
-
C:\Users\Admin\AppData\Local\Temp\Pictures.exe"C:\Users\Admin\AppData\Local\Temp\Pictures.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:6508
-
C:\Users\Admin\AppData\Local\Temp\Pictures.exe"C:\Users\Admin\AppData\Local\Temp\Pictures.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:6720
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Pictures.exe
- Size 38KB
- SHA256 083bc9319eb8066131b8005dd7013f85f2a27c7908767f94183d3e153b8db12b
- MD5 d85f3f7a1d6107853816be0e4b020b7e
- SHA1 eec2fbcc0138d7281f57291304637445841c25ed
- SHA512 937b3fd8834bd3883d80add70263a6eb7b3c568f97acb99b53da9d25cc9d3962f581d1caf0f8f9eb9e73a51f60be72a189b5e3e45153d4d3c100067bf645f456
- SSDEEP 768:nb/ZOc/rh0k2dsDtA6Iq86tqJTN4RXMWF//dj9z9R:7Lrh0ddsDtfcJTN4RXMWZz9R
- TLSH T17803B72897F84316F2B74BB099F5C047ADB2B9536EB5D79C388A530D0A227818553B3F
- MD5 SHA1 SHA512 SSDEEP TLSH