Analysis
- max time kernel
150s - max time network
29s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
12/07/2026, 18:12
General
- Target PDFCreator-1_7_0_setup.exe
- Size 16.7MB
- Sample260712-ws5d2ag13w
- SHA256 4f4ed42e40856d8e347c97b68747bd6e89932de752b25c6a903bb3467b535881
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 7 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- System Location Discovery: System Language Discovery 1 TTPs 6 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. 4 IoCs
Inno Setup installer
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PDFCreator-1_7_0_setup.exe"C:\Users\Admin\AppData\Local\Temp\PDFCreator-1_7_0_setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-EIKCR.tmp\PDFCreator-1_7_0_setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-EIKCR.tmp\PDFCreator-1_7_0_setup.tmp" /SL5="$40188,16963596,56832,C:\Users\Admin\AppData\Local\Temp\PDFCreator-1_7_0_setup.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-7PQB8.tmp\DownloadUpdateInfo.exe"C:\Users\Admin\AppData\Local\Temp\is-7PQB8.tmp\DownloadUpdateInfo.exe" /verysilent /URL=http://update.pdfforge.org/pdfcreator/update-info.txt /Filename="C:\Users\Admin\AppData\Local\Temp\is-7PQB8.tmp\update-info.txt" /TimeOut=70003⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-CNV5V.tmp\DownloadUpdateInfo.tmp"C:\Users\Admin\AppData\Local\Temp\is-CNV5V.tmp\DownloadUpdateInfo.tmp" /SL5="$D02D4,262148,56832,C:\Users\Admin\AppData\Local\Temp\is-7PQB8.tmp\DownloadUpdateInfo.exe" /verysilent /URL=http://update.pdfforge.org/pdfcreator/update-info.txt /Filename="C:\Users\Admin\AppData\Local\Temp\is-7PQB8.tmp\update-info.txt" /TimeOut=70004⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\RunDll32.exeRunDll32.exe "C:\Users\Admin\AppData\Local\Temp\is-7PQB8.tmp\OCSetupHlp.dll",_OCPRD68OpenCandy2@16 1648,9338552CF563409CB6C9DF73774C86F7,44EF71C5C5EA465BA20A5F15595F7C413⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\RunDll32.exeRunDll32.exe "C:\Users\Admin\AppData\Local\Temp\is-7PQB8.tmp\OCSetupHlp.dll",_OCPRD68OpenCandy2@16 1648,836B66C84BB0447FBFDD067F9DAA197B,005FA6DA9E414E439F60991EC94D99B23⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
_shfoldr.dll
DownloadUpdateInfo.exe
OCSetupHlp.dll
itdownload.dll
PDFCreator-1_7_0_setup.tmp
memory/1204-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1204-43-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1648-76-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-71-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-107-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-104-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-44-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-46-0x0000000002160000-0x0000000002161000-memory.dmp
memory/1648-45-0x00000000024F0000-0x000000000252C000-memory.dmp
memory/1648-16-0x00000000024F0000-0x000000000252C000-memory.dmp
memory/1648-101-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-98-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-95-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-92-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-65-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-89-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-72-0x00000000024F0000-0x000000000252C000-memory.dmp
memory/1648-85-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-82-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1648-7-0x0000000002160000-0x0000000002161000-memory.dmp
memory/1648-79-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/3476-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3476-57-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3476-24-0x0000000000400000-0x0000000000414000-memory.dmp
memory/6020-73-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/6020-31-0x0000000002240000-0x0000000002241000-memory.dmp
memory/6020-59-0x0000000003B80000-0x0000000003BBC000-memory.dmp
memory/6020-60-0x0000000002240000-0x0000000002241000-memory.dmp
memory/6020-58-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/6020-40-0x0000000003B80000-0x0000000003BBC000-memory.dmp