Overview
overview
7Static
static
33bf2050728...18.exe
windows7-x64
73bf2050728...18.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...it.exe
windows7-x64
1$PLUGINSDI...it.exe
windows10-2004-x64
1$SYSDIR/pncrt.dll
windows7-x64
3$SYSDIR/pncrt.dll
windows10-2004-x64
3AddIn/VisLrc.dll
windows7-x64
3AddIn/VisLrc.dll
windows10-2004-x64
3Baidu-ASBar.exe
windows7-x64
1Baidu-ASBar.exe
windows10-2004-x64
3$PROGRAM_F...ar.dll
windows7-x64
7$PROGRAM_F...ar.dll
windows10-2004-x64
7Baidu-Tool...cb.exe
windows7-x64
3Baidu-Tool...cb.exe
windows10-2004-x64
3$PROGRAM_F...rX.dll
windows7-x64
7$PROGRAM_F...rX.dll
windows10-2004-x64
7Codecs/Col...ax.dll
windows7-x64
1Codecs/Col...ax.dll
windows10-2004-x64
1Codecs/Rea...ax.dll
windows7-x64
1Codecs/Rea...ax.dll
windows10-2004-x64
1Codecs/asf...ax.dll
windows7-x64
1Codecs/asf...ax.dll
windows10-2004-x64
1Codecs/atrc.dll
windows7-x64
1Codecs/atrc.dll
windows10-2004-x64
1Codecs/cook.dll
windows7-x64
1Codecs/cook.dll
windows10-2004-x64
1Codecs/drvc.dll
windows7-x64
1Codecs/drvc.dll
windows10-2004-x64
1Analysis
-
max time kernel
91s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12-07-2024 04:12
Static task
static1
Behavioral task
behavioral1
Sample
3bf205072839f778ba5681724a17ca7e_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral2
Sample
3bf205072839f778ba5681724a17ca7e_JaffaCakes118.exe
Resource
win10v2004-20240704-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral6
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
$PLUGINSDIR/QvodInit.exe
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral8
Sample
$PLUGINSDIR/QvodInit.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
$SYSDIR/pncrt.dll
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral10
Sample
$SYSDIR/pncrt.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
AddIn/VisLrc.dll
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral12
Sample
AddIn/VisLrc.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
Baidu-ASBar.exe
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral14
Sample
Baidu-ASBar.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$PROGRAM_FILES/Baidu/AddressBar/AddressBar_Tmp/AddressBar.dll
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral16
Sample
$PROGRAM_FILES/Baidu/AddressBar/AddressBar_Tmp/AddressBar.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral17
Sample
Baidu-Toolbar-utf8kb_cb.exe
Resource
win7-20240705-en
windows7-x64
Behavioral task
behavioral18
Sample
Baidu-Toolbar-utf8kb_cb.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral19
Sample
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduBarX.dll
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral20
Sample
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduBarX.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral21
Sample
Codecs/ColorFilter.ax.dll
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral22
Sample
Codecs/ColorFilter.ax.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral23
Sample
Codecs/RealMediaSplitter.ax.dll
Resource
win7-20240705-en
windows7-x64
Behavioral task
behavioral24
Sample
Codecs/RealMediaSplitter.ax.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral25
Sample
Codecs/asfsplliter.ax.dll
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral26
Sample
Codecs/asfsplliter.ax.dll
Resource
win10v2004-20240704-en
windows10-2004-x64
Behavioral task
behavioral27
Sample
Codecs/atrc.dll
Resource
win7-20240705-en
windows7-x64
Behavioral task
behavioral28
Sample
Codecs/atrc.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral29
Sample
Codecs/cook.dll
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral30
Sample
Codecs/cook.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
Behavioral task
behavioral31
Sample
Codecs/drvc.dll
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral32
Sample
Codecs/drvc.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
General
-
Target
Codecs/RealMediaSplitter.ax.dll
-
Size
372KB
-
MD5
b91968f4f21d803d2467da89d9cd7275
-
SHA1
a0e1a676fe340f6bd211a1b40c0b6d8d1715d82e
-
SHA256
4287023170ab52ec3883af9a464d281358ae44225b25b101697c2ae66c82f935
-
SHA512
047470fda7ff9cda15cc4baaf0d5031bc8c37a9a7a827601c0e6db149f3af5149860afc45dd92c1a035f537971a70cb0f31372de12c080cecc3d93a89e6b8d65
-
SSDEEP
6144:sbH9JP/W0D2hzNqURg44nlHR0urOU48+EQHapawA9MDL:OJP/W0D2Pq/rpR0urOU4lExnn
Malware Config
Signatures
-
Modifies registry class 39 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{57428EC6-C2B2-44A2-AA9C-28F0B6A5C48E}\0 = "0,4,,2E524D46" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E21BE468-5C18-43EB-B0CC-DB93A847D769}\ = "RealMedia Splitter" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238D0F23-5DC9-45A6-9BE2-666160C324DD}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{238D0F23-5DC9-45A6-9BE2-666160C324DD}\CLSID = "{238D0F23-5DC9-45A6-9BE2-666160C324DD}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{57428EC6-C2B2-44A2-AA9C-28F0B6A5C48E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E21BE468-5C18-43EB-B0CC-DB93A847D769} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{941A4793-A705-4312-8DFC-C11CA05F397E}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238D0F23-5DC9-45A6-9BE2-666160C324DD}\ = "RealVideo Decoder" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238D0F23-5DC9-45A6-9BE2-666160C324DD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\RealMediaSplitter.ax.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{941A4793-A705-4312-8DFC-C11CA05F397E}\ = "RealAudio Decoder" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{941A4793-A705-4312-8DFC-C11CA05F397E}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{765035B3-5944-4A94-806B-20EE3415F26F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E21BE468-5C18-43EB-B0CC-DB93A847D769}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{765035B3-5944-4A94-806B-20EE3415F26F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{765035B3-5944-4A94-806B-20EE3415F26F}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{238D0F23-5DC9-45A6-9BE2-666160C324DD}\FriendlyName = "RealVideo Decoder" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{941A4793-A705-4312-8DFC-C11CA05F397E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{765035B3-5944-4A94-806B-20EE3415F26F}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{765035B3-5944-4A94-806B-20EE3415F26F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\RealMediaSplitter.ax.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238D0F23-5DC9-45A6-9BE2-666160C324DD} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E21BE468-5C18-43EB-B0CC-DB93A847D769} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E21BE468-5C18-43EB-B0CC-DB93A847D769}\CLSID = "{E21BE468-5C18-43EB-B0CC-DB93A847D769}" regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{765035B3-5944-4A94-806B-20EE3415F26F}\FilterData = 02000000000060000000000000000000 regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{238D0F23-5DC9-45A6-9BE2-666160C324DD}\FilterData = 02000000000060000200000000000000307069330000000000000000040000000000000000000000307479330000000090000000a0000000317479330000000090000000b0000000327479330000000090000000c0000000337479330000000090000000d0000000317069330800000000000000010000000000000000000000307479330000000090000000e00000007669647300001000800000aa00389b715256323000001000800000aa00389b715256333000001000800000aa00389b715256343000001000800000aa00389b715256343100001000800000aa00389b7100000000000000000000000000000000 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{941A4793-A705-4312-8DFC-C11CA05F397E}\CLSID = "{941A4793-A705-4312-8DFC-C11CA05F397E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{57428EC6-C2B2-44A2-AA9C-28F0B6A5C48E}\Source Filter = "{E436EBB5-524F-11CE-9F53-0020AF0BA770}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{765035B3-5944-4A94-806B-20EE3415F26F}\ = "RealMedia Source" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238D0F23-5DC9-45A6-9BE2-666160C324DD}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E21BE468-5C18-43EB-B0CC-DB93A847D769}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\RealMediaSplitter.ax.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{238D0F23-5DC9-45A6-9BE2-666160C324DD} regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{941A4793-A705-4312-8DFC-C11CA05F397E}\FilterData = 020000000000600002000000000000003070693300000000000000000900000000000000000000003074793300000000e0000000f00000003174793300000000e0000000000100003274793300000000e0000000100100003374793300000000e0000000200100003474793300000000e0000000300100003574793300000000e0000000400100003674793300000000e0000000500100003774793300000000e0000000600100003874793300000000e0000000700100003170693308000000000000000100000000000000000000003074793300000000e0000000800100006175647300001000800000aa00389b7131345f3400001000800000aa00389b7132385f3800001000800000aa00389b714154524300001000800000aa00389b71434f4f4b00001000800000aa00389b71444e455400001000800000aa00389b715349505200001000800000aa00389b71ff00000000001000800000aa00389b715241414300001000800000aa00389b715241435000001000800000aa00389b710100000000001000800000aa00389b71 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E21BE468-5C18-43EB-B0CC-DB93A847D769}\FriendlyName = "RealMedia Splitter" regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E21BE468-5C18-43EB-B0CC-DB93A847D769}\FilterData = 020000000000600002000000000000003070693300000000000000000100000000000000000000003074793300000000500000006000000031706933080000000000000000000000000000000000000083eb36e44f52ce119f530020af0ba77000000000000000000000000000000000 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{765035B3-5944-4A94-806B-20EE3415F26F}\FriendlyName = "RealMedia Source" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{765035B3-5944-4A94-806B-20EE3415F26F}\CLSID = "{765035B3-5944-4A94-806B-20EE3415F26F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{941A4793-A705-4312-8DFC-C11CA05F397E}\FriendlyName = "RealAudio Decoder" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E21BE468-5C18-43EB-B0CC-DB93A847D769}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{941A4793-A705-4312-8DFC-C11CA05F397E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{941A4793-A705-4312-8DFC-C11CA05F397E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\RealMediaSplitter.ax.dll" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4404 wrote to memory of 4824 4404 regsvr32.exe 85 PID 4404 wrote to memory of 4824 4404 regsvr32.exe 85 PID 4404 wrote to memory of 4824 4404 regsvr32.exe 85