Overview
overview
8Static
static
SMBHelperClass.dll
windows7-x64
1SMBHelperClass.dll
windows10-2004-x64
1SmiEngine.dll
windows7-x64
1SmiEngine.dll
windows10-2004-x64
8SndVol.exe
windows7-x64
SndVol.exe
windows10-2004-x64
1SndVolSSO.dll
windows7-x64
1SndVolSSO.dll
windows10-2004-x64
1SnippingTool.exe
windows7-x64
SnippingTool.exe
windows10-2004-x64
1shutdownux.dll
windows7-x64
1shutdownux.dll
windows10-2004-x64
1shwebsvc.dll
windows7-x64
1shwebsvc.dll
windows10-2004-x64
1signdrv.dll
windows7-x64
1signdrv.dll
windows10-2004-x64
1simauth.dll
windows7-x64
1simauth.dll
windows10-2004-x64
3simcfg.dll
windows7-x64
1simcfg.dll
windows10-2004-x64
3simpdata.dll
windows7-x64
1simpdata.dll
windows10-2004-x64
1slc.dll
windows7-x64
1slc.dll
windows10-2004-x64
3smbwmiv2.dll
windows7-x64
1smbwmiv2.dll
windows10-2004-x64
1smphost.dll
windows7-x64
1smphost.dll
windows10-2004-x64
1smss.exe
windows7-x64
smss.exe
windows10-2004-x64
Analysis
-
max time kernel
91s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
15/09/2022, 06:01
Static task
static1
Behavioral task
behavioral1
Sample
SMBHelperClass.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SMBHelperClass.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
SmiEngine.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
SmiEngine.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
SndVol.exe
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
SndVol.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
SndVolSSO.dll
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
SndVolSSO.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
SnippingTool.exe
Resource
win7-20220901-en
Behavioral task
behavioral10
Sample
SnippingTool.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
shutdownux.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
shutdownux.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
shwebsvc.dll
Resource
win7-20220901-en
Behavioral task
behavioral14
Sample
shwebsvc.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
signdrv.dll
Resource
win7-20220812-en
Behavioral task
behavioral16
Sample
signdrv.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral17
Sample
simauth.dll
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
simauth.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral19
Sample
simcfg.dll
Resource
win7-20220812-en
Behavioral task
behavioral20
Sample
simcfg.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral21
Sample
simpdata.dll
Resource
win7-20220812-en
Behavioral task
behavioral22
Sample
simpdata.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral23
Sample
slc.dll
Resource
win7-20220812-en
Behavioral task
behavioral24
Sample
slc.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral25
Sample
smbwmiv2.dll
Resource
win7-20220812-en
Behavioral task
behavioral26
Sample
smbwmiv2.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral27
Sample
smphost.dll
Resource
win7-20220901-en
Behavioral task
behavioral28
Sample
smphost.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral29
Sample
smss.exe
Resource
win7-20220812-en
Behavioral task
behavioral30
Sample
smss.exe
Resource
win10v2004-20220901-en
General
-
Target
SMBHelperClass.dll
-
Size
111KB
-
MD5
ba643404bf62d337b285f6fed4274920
-
SHA1
69d2ece3e0cafb839a2d8a43e40e7aa8aef8521a
-
SHA256
c9af59fd4b628090c2ea0a13dc4c1d4c9da9376f5c23d918c2f968458f45878b
-
SHA512
3496a48eb2caf9cf1c0293f2b2ee6d89fdc5eb162d5b943fce235b69ab20294b3e82911c3dc0827199dcae26bdccf1636e22da5fbd4f3bd702e93cf5a6fb433d
-
SSDEEP
1536:p9f3o4bHB3IiioORhOhfnq4qISOHKVdZ+xXoDB93/SgBZnKI9Of2WvXAEM:p9Po4dIiOh2nb5HKPElM3//7nZd8AR
Malware Config
Signatures
-
Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\0\win64 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\0\win64\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\SMBHelperClass.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\ = "SMB Helper Class 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B792FD41-4B13-4EBA-9B5C-24C7D8C7A1E0}\1.0 regsvr32.exe