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Overview
overview
7Static
static
343d963bb3d...18.exe
windows7-x64
743d963bb3d...18.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Acrobat2Dict.dll
windows7-x64
1Acrobat2Dict.dll
windows10-2004-x64
1RunDict.exe
windows7-x64
4RunDict.exe
windows10-2004-x64
7TextExtrac...32.dll
windows7-x64
1TextExtrac...32.dll
windows10-2004-x64
1TextExtrac...64.dll
windows7-x64
1TextExtrac...64.dll
windows10-2004-x64
1WordBook.exe
windows7-x64
1WordBook.exe
windows10-2004-x64
1WordStroke...32.dll
windows7-x64
1WordStroke...32.dll
windows10-2004-x64
1WordStroke...64.dll
windows7-x64
1WordStroke...64.dll
windows10-2004-x64
1YodaoDict.dll
windows7-x64
3YodaoDict.dll
windows10-2004-x64
3YodaoDict.exe
windows7-x64
4YodaoDict.exe
windows10-2004-x64
4YodaoOcr.exe
windows7-x64
1YodaoOcr.exe
windows10-2004-x64
1YoudaoEH.exe
windows7-x64
1YoudaoEH.exe
windows10-2004-x64
1YoudaoGetWord32.dll
windows7-x64
1YoudaoGetWord32.dll
windows10-2004-x64
1YoudaoGetWord64.dll
windows7-x64
7YoudaoGetWord64.dll
windows10-2004-x64
7Analysis
-
max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
14/07/2024, 02:01
Static task
static1
Behavioral task
behavioral1
Sample
43d963bb3d6d59917024fbcd50eebaac_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
43d963bb3d6d59917024fbcd50eebaac_JaffaCakes118.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral7
Sample
Acrobat2Dict.dll
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
Acrobat2Dict.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral9
Sample
RunDict.exe
Resource
win7-20240708-en
Behavioral task
behavioral10
Sample
RunDict.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral11
Sample
TextExtractorImpl32.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
TextExtractorImpl32.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral13
Sample
TextExtractorImpl64.dll
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
TextExtractorImpl64.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral15
Sample
WordBook.exe
Resource
win7-20240708-en
Behavioral task
behavioral16
Sample
WordBook.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral17
Sample
WordStrokeHelper32.dll
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
WordStrokeHelper32.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral19
Sample
WordStrokeHelper64.dll
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
WordStrokeHelper64.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral21
Sample
YodaoDict.dll
Resource
win7-20240704-en
Behavioral task
behavioral22
Sample
YodaoDict.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral23
Sample
YodaoDict.exe
Resource
win7-20240704-en
Behavioral task
behavioral24
Sample
YodaoDict.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral25
Sample
YodaoOcr.exe
Resource
win7-20240708-en
Behavioral task
behavioral26
Sample
YodaoOcr.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral27
Sample
YoudaoEH.exe
Resource
win7-20240704-en
Behavioral task
behavioral28
Sample
YoudaoEH.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral29
Sample
YoudaoGetWord32.dll
Resource
win7-20240704-en
Behavioral task
behavioral30
Sample
YoudaoGetWord32.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral31
Sample
YoudaoGetWord64.dll
Resource
win7-20240704-en
Behavioral task
behavioral32
Sample
YoudaoGetWord64.dll
Resource
win10v2004-20240709-en
General
-
Target
YoudaoGetWord32.dll
-
Size
301KB
-
MD5
defdfacb94569297bd74cdce30d014f1
-
SHA1
29424c26e644dd97b345d7c91b025a65d93d6605
-
SHA256
7a0fc662db1894071eb3a2b83e0d8c9f00b7ef2604b7aa903ba44f51ced452b1
-
SHA512
d4e4e37763628bd7757cfa23a88b1cb5cac77c2d89eb8a3030de535203a2e6a3da1b2a1fd4cf7bd183f48cdaa24ad19f1c754da11d83be966f94c3eae73ca6fe
-
SSDEEP
3072:auyM3vAi0H92IIvvYGfw3Nq+r1+PvvXVEQnNubLin9vSw/az15atltQYVa:aV1vqhDn08vFrtRa
Malware Config
Signatures
-
Modifies registry class 32 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\ = "Connect Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\YoudaoGetWord32.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect\ = "Connect Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect\CurVer\ = "YoudaoGetWord32.Connect.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\ProgID\ = "YoudaoGetWord32.Connect.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\VersionIndependentProgID\ = "YoudaoGetWord32.Connect" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\TypeLib\ = "{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\ = "YoudaoGetWord 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect.1\ = "Connect Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect.1\CLSID\ = "{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord32.Connect\CLSID\ = "{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\YoudaoGetWord32.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB241B94-028A-441D-B9EB-B9AD3FDF2D9A}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7659C504-025E-4FB5-A9EC-8D2A42C9B2AF}\1.0\FLAGS\ = "0" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2508 wrote to memory of 1788 2508 regsvr32.exe 30 PID 2508 wrote to memory of 1788 2508 regsvr32.exe 30 PID 2508 wrote to memory of 1788 2508 regsvr32.exe 30 PID 2508 wrote to memory of 1788 2508 regsvr32.exe 30 PID 2508 wrote to memory of 1788 2508 regsvr32.exe 30 PID 2508 wrote to memory of 1788 2508 regsvr32.exe 30 PID 2508 wrote to memory of 1788 2508 regsvr32.exe 30