Overview
overview
7Static
static
712bcdb449b...18.exe
windows7-x64
712bcdb449b...18.exe
windows10-2004-x64
7$INSTDIR"/...ll.exe
windows7-x64
7$INSTDIR"/...ll.exe
windows10-2004-x64
7$INSTDIR"/...er.exe
windows7-x64
1$INSTDIR"/...er.exe
windows10-2004-x64
1$INSTDIR"/...us.dll
windows7-x64
3$INSTDIR"/...us.dll
windows10-2004-x64
3$INSTDIR"/...sU.exe
windows7-x64
1$INSTDIR"/...sU.exe
windows10-2004-x64
1$INSTDIR"/...XU.dll
windows7-x64
1$INSTDIR"/...XU.dll
windows10-2004-x64
1$INSTDIR"/...er.exe
windows7-x64
1$INSTDIR"/...er.exe
windows10-2004-x64
1$INSTDIR"/...er.exe
windows7-x64
1$INSTDIR"/...er.exe
windows10-2004-x64
1$INSTDIR"/...er.dll
windows7-x64
1$INSTDIR"/...er.dll
windows10-2004-x64
1$INSTDIR"/...MC.dll
windows7-x64
1$INSTDIR"/...MC.dll
windows10-2004-x64
1$INSTDIR"/...il.exe
windows7-x64
3$INSTDIR"/...il.exe
windows10-2004-x64
3$INSTDIR"/...nc.dll
windows7-x64
7$INSTDIR"/...nc.dll
windows10-2004-x64
7$INSTDIR"/...l2.dll
windows7-x64
3$INSTDIR"/...l2.dll
windows10-2004-x64
3$INSTDIR"/...ad.exe
windows7-x64
1$INSTDIR"/...ad.exe
windows10-2004-x64
1$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
04/05/2024, 12:28
Behavioral task
behavioral1
Sample
12bcdb449b0071b8451c4887a87efef9_JaffaCakes118.exe
Resource
win7-20240220-en
windows7-x64
Behavioral task
behavioral2
Sample
12bcdb449b0071b8451c4887a87efef9_JaffaCakes118.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$INSTDIR"/OpalViewerUninstall.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral4
Sample
$INSTDIR"/OpalViewerUninstall.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
$INSTDIR"/bin/"/$OUTDIR/OpalPreFetchListener.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral6
Sample
$INSTDIR"/bin/"/$OUTDIR/OpalPreFetchListener.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
$INSTDIR"/bin/"/GdiPlus.dll
Resource
win7-20240220-en
windows7-x64
Behavioral task
behavioral8
Sample
$INSTDIR"/bin/"/GdiPlus.dll
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
$INSTDIR"/bin/"/NMSAccessU.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral10
Sample
$INSTDIR"/bin/"/NMSAccessU.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
$INSTDIR"/bin/"/NMSDVDXU.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral12
Sample
$INSTDIR"/bin/"/NMSDVDXU.dll
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
$INSTDIR"/bin/"/OpalPreFetchListener.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral14
Sample
$INSTDIR"/bin/"/OpalPreFetchListener.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$INSTDIR"/bin/"/OpalViewer.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral16
Sample
$INSTDIR"/bin/"/OpalViewer.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral17
Sample
$INSTDIR"/bin/"/OpalWebKicker.dll
Resource
win7-20240215-en
windows7-x64
Behavioral task
behavioral18
Sample
$INSTDIR"/bin/"/OpalWebKicker.dll
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral19
Sample
$INSTDIR"/bin/"/VizMMC.dll
Resource
win7-20240220-en
windows7-x64
Behavioral task
behavioral20
Sample
$INSTDIR"/bin/"/VizMMC.dll
Resource
win10v2004-20240426-en
windows10-2004-x64
Behavioral task
behavioral21
Sample
$INSTDIR"/bin/"/WinTail.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral22
Sample
$INSTDIR"/bin/"/WinTail.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral23
Sample
$INSTDIR"/bin/"/lame_enc.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral24
Sample
$INSTDIR"/bin/"/lame_enc.dll
Resource
win10v2004-20240426-en
windows10-2004-x64
Behavioral task
behavioral25
Sample
$INSTDIR"/bin/"/libxml2.dll
Resource
win7-20240215-en
windows7-x64
Behavioral task
behavioral26
Sample
$INSTDIR"/bin/"/libxml2.dll
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral27
Sample
$INSTDIR"/bin/"/win32pad.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral28
Sample
$INSTDIR"/bin/"/win32pad.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral29
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral30
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240419-en
windows10-2004-x64
General
-
Target
$INSTDIR"/bin/"/OpalWebKicker.dll
-
Size
552KB
-
MD5
a4bde4b2b0c5423a05fc497057a64fbb
-
SHA1
3f0d2862c31fe4fc018cb48ca202e87e6b15046f
-
SHA256
d4d980aa2ffcdb68a9984f31fa49f64bd491476a39d1169b0a5efe153a4f7f4a
-
SHA512
53b68a903ef916ccfa39e39b32cfba4da914879e6fea6946ced74e0320b475d5798dd297991bca1af71e63074d5611ef64c6f2e5bbb0d0de89b2f81188bd6c29
-
SSDEEP
12288:UMz1oPEKZG8uNEZorJ2NaInSZFt6ol9p1E+KdwFYW:D5oPJZG8qoQJaaISZaol9pi+YW
Malware Config
Signatures
-
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32\ = "{8EC37881-8729-42FB-8763-4C2F7398187F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\ = "OpalWebObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\ = "OpalWebObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1\CLSID\ = "{940C9B9C-1948-44F5-8A3E-275BF892E60C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\ = "OpalWebKicker" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CLSID\ = "{940C9B9C-1948-44F5-8A3E-275BF892E60C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\ProgID\ = "OpalWebKicker.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ = "IOpalWebObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1\ = "OpalWebObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\OpalWebKicker.DLL regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ = "IOpalWebObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\HELPDIR\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FA52E4C8-68B6-49C4-BF9C-C048A8447905} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\ = "{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\VersionIndependentProgID\ = "OpalWebKicker" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\AppID = "{FA52E4C8-68B6-49C4-BF9C-C048A8447905}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\ = "{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CurVer\ = "OpalWebKicker.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\ = "PSFactoryBuffer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$INSTDIR_\\bin\\_\\OpalWebKicker.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$INSTDIR_\\bin\\_\\OpalWebKicker.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\OpalWebKicker.DLL\AppID = "{FA52E4C8-68B6-49C4-BF9C-C048A8447905}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\TypeLib\ = "{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\InProcServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FA52E4C8-68B6-49C4-BF9C-C048A8447905}\ = "OpalWebKicker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$INSTDIR_\\bin\\_\\OpalWebKicker.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2156 wrote to memory of 2708 2156 regsvr32.exe 28 PID 2156 wrote to memory of 2708 2156 regsvr32.exe 28 PID 2156 wrote to memory of 2708 2156 regsvr32.exe 28 PID 2156 wrote to memory of 2708 2156 regsvr32.exe 28 PID 2156 wrote to memory of 2708 2156 regsvr32.exe 28 PID 2156 wrote to memory of 2708 2156 regsvr32.exe 28 PID 2156 wrote to memory of 2708 2156 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\$INSTDIR_\bin\_\OpalWebKicker.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\$INSTDIR_\bin\_\OpalWebKicker.dll2⤵
- Modifies registry class
PID:2708
-