Overview
overview
3Static
static
3PDFPatcher...ge.dll
windows7-x64
3PDFPatcher...ge.dll
windows10-2004-x64
3PDFPatcher...ib.dll
windows7-x64
1PDFPatcher...ib.dll
windows10-2004-x64
3PDFPatcher...er.exe
windows7-x64
1PDFPatcher...er.exe
windows10-2004-x64
1PDFPatcher...xe.xml
windows7-x64
1PDFPatcher...xe.xml
windows10-2004-x64
3PDFPatcher...g2.dll
windows7-x64
3PDFPatcher...g2.dll
windows10-2004-x64
3Analysis
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max time kernel
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
19/08/2023, 16:23
Static task
static1
Behavioral task
behavioral1
Sample
PDFPatcher.1.0.0.4105/FreeImage.dll
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
PDFPatcher.1.0.0.4105/FreeImage.dll
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
PDFPatcher.1.0.0.4105/MuPDFLib.dll
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
PDFPatcher.1.0.0.4105/MuPDFLib.dll
Resource
win10v2004-20230703-en
Behavioral task
behavioral5
Sample
PDFPatcher.1.0.0.4105/PDFPatcher.exe
Resource
win7-20230712-en
Behavioral task
behavioral6
Sample
PDFPatcher.1.0.0.4105/PDFPatcher.exe
Resource
win10v2004-20230703-en
Behavioral task
behavioral7
Sample
PDFPatcher.1.0.0.4105/PDFPatcher.exe.xml
Resource
win7-20230712-en
Behavioral task
behavioral8
Sample
PDFPatcher.1.0.0.4105/PDFPatcher.exe.xml
Resource
win10v2004-20230703-en
Behavioral task
behavioral9
Sample
PDFPatcher.1.0.0.4105/jbig2.dll
Resource
win7-20230712-en
Behavioral task
behavioral10
Sample
PDFPatcher.1.0.0.4105/jbig2.dll
Resource
win10v2004-20230703-en
General
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Target
PDFPatcher.1.0.0.4105/FreeImage.dll
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Size
5.7MB
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MD5
33082bf128b1700be41bbc0377520abb
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SHA1
b8aa3500d08ed31cdb13313311496e6e706967f3
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SHA256
f5914cf345f20177203e72987eca4a442ddd50934eb6273aa433c177e9640a41
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SHA512
f513af6cdc480a4e0963976618ffa95763960311e257478fcb06b0210ab12704e53d5bccdf1d9331481acc10b819661c5c36df62d69610aa206678da302a5251
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SSDEEP
49152:hYvd3ZCYxG5Y1iztWwrOWSiCNFg7GXSv5HZXCiIQW9TgxB/cA+lb2XzGRlKR:hA53mIwvFnMiIMRDslK
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1288 1116 WerFault.exe 30 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1788 wrote to memory of 1116 1788 rundll32.exe 30 PID 1788 wrote to memory of 1116 1788 rundll32.exe 30 PID 1788 wrote to memory of 1116 1788 rundll32.exe 30 PID 1788 wrote to memory of 1116 1788 rundll32.exe 30 PID 1788 wrote to memory of 1116 1788 rundll32.exe 30 PID 1788 wrote to memory of 1116 1788 rundll32.exe 30 PID 1788 wrote to memory of 1116 1788 rundll32.exe 30 PID 1116 wrote to memory of 1288 1116 rundll32.exe 31 PID 1116 wrote to memory of 1288 1116 rundll32.exe 31 PID 1116 wrote to memory of 1288 1116 rundll32.exe 31 PID 1116 wrote to memory of 1288 1116 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\PDFPatcher.1.0.0.4105\FreeImage.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\PDFPatcher.1.0.0.4105\FreeImage.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 2243⤵
- Program crash
PID:1288
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