Analysis
-
max time kernel
33s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 05:52
Static task
static1
Behavioral task
behavioral1
Sample
8abbdbd27ee9c3d55a8cfc51065c452ea23097f36f3a5b8d13a58c804668b0cd.dll
Resource
win7-20220812-en
windows7-x64
3 signatures
150 seconds
General
-
Target
8abbdbd27ee9c3d55a8cfc51065c452ea23097f36f3a5b8d13a58c804668b0cd.dll
-
Size
195KB
-
MD5
5432d53006f7319b2cabc119dc88b0f8
-
SHA1
b5be042973d45a9b80e287e3b60d7f3bac6b7c39
-
SHA256
8abbdbd27ee9c3d55a8cfc51065c452ea23097f36f3a5b8d13a58c804668b0cd
-
SHA512
fae5c29289517fb996c0e86b833ad8eb5501d7d474c2fdab0373203d5e5595c1badc9a41a257f550d2c22e00b06603ab8e94fc9d92e170c9dcc9416719ad0afc
-
SSDEEP
6144:iX2JilPREU1NR0WQ20IvsIZlXnKVYpaxhbv:6lpEKNR220IvsIvyxhT
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\ = "DDSMEkl" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 46 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\ = "IDDSMEob" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\ = "DDSMEkl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8abbdbd27ee9c3d55a8cfc51065c452ea23097f36f3a5b8d13a58c804668b0cd.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\TypeLib\ = "{52CDE0E4-D73B-11DD-9B90-FCC056D89593}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl.1\CLSID\ = "{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl\ = "DDSMEkl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl\CurVer\ = "DDSME.kl.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\TypeLib\ = "{52CDE0E4-D73B-11DD-9B90-FCC056D89593}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{624F9012-D73B-11DD-95AF-61C156D89593} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{624F9012-D73B-11DD-95AF-61C156D89593} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\TypeLib\ = "{52CDE0E4-D73B-11DD-9B90-FCC056D89593}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl.1\ = "DDSMEkl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\ = "IDDSMEob" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl\CLSID\ = "{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8abbdbd27ee9c3d55a8cfc51065c452ea23097f36f3a5b8d13a58c804668b0cd.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{624F9012-D73B-11DD-95AF-61C156D89593}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\VersionIndependentProgID\ = "DDSME.kl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\ = "DDSMEb 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DDSME.kl regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2502BBD0-D73B-11DD-B4EC-CEBF56D89593}\ProgID\ = "DDSME.kl.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52CDE0E4-D73B-11DD-9B90-FCC056D89593} regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1368 wrote to memory of 1488 1368 regsvr32.exe regsvr32.exe PID 1368 wrote to memory of 1488 1368 regsvr32.exe regsvr32.exe PID 1368 wrote to memory of 1488 1368 regsvr32.exe regsvr32.exe PID 1368 wrote to memory of 1488 1368 regsvr32.exe regsvr32.exe PID 1368 wrote to memory of 1488 1368 regsvr32.exe regsvr32.exe PID 1368 wrote to memory of 1488 1368 regsvr32.exe regsvr32.exe PID 1368 wrote to memory of 1488 1368 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8abbdbd27ee9c3d55a8cfc51065c452ea23097f36f3a5b8d13a58c804668b0cd.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8abbdbd27ee9c3d55a8cfc51065c452ea23097f36f3a5b8d13a58c804668b0cd.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class