Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/08/2026, 12:19
General
- Target klite-codec-pack-standard-19.3.5-installer.exe
- Size 2.0MB
- Sample260804-pg92tazerc
- SHA256 a8af7df37dd21ae5cee792fe0a0f4315b4d0efd676848b32e18736394f1f2c3a
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
- Executes dropped EXE 1 IoCs
- Checks for any installed AV software in registry 1 TTPs 9 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 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
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\klite-codec-pack-standard-19.3.5-installer.exe"C:\Users\Admin\AppData\Local\Temp\klite-codec-pack-standard-19.3.5-installer.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-CYRUTI8TWM.tmp\klite-codec-pack-standard-19.3.5-installer.tmp"C:\Users\Admin\AppData\Local\Temp\is-CYRUTI8TWM.tmp\klite-codec-pack-standard-19.3.5-installer.tmp" /SL5="$501F8,848247,840704,C:\Users\Admin\AppData\Local\Temp\klite-codec-pack-standard-19.3.5-installer.exe"2⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
klite-codec-pack-standard-19.3.5-installer.tmp
100.png
101.png
memory/1956-7-0x0000000000790000-0x000000000086C000-memory.dmp
memory/1956-0-0x0000000000790000-0x000000000086C000-memory.dmp
memory/3056-25-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-28-0x0000000000B90000-0x0000000000FC6000-memory.dmp
memory/3056-20-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-21-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-9-0x00000000013E0000-0x00000000013E1000-memory.dmp
memory/3056-8-0x0000000000B90000-0x0000000000FC6000-memory.dmp
memory/3056-26-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-11-0x0000000000B90000-0x0000000000FC6000-memory.dmp
memory/3056-5-0x00000000013E0000-0x00000000013E1000-memory.dmp
memory/3056-32-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-33-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-34-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-35-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-39-0x0000000000B90000-0x0000000000FC6000-memory.dmp
memory/3056-42-0x0000000003490000-0x00000000035D0000-memory.dmp
memory/3056-44-0x0000000000B90000-0x0000000000FC6000-memory.dmp