3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9

Analysis

max time kernel
7s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 10:45

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General

Target

3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll
Size

539KB
MD5

94860798426080d3c9c7491be0656d12
SHA1

5c209c0a9096eac478665203f03a019155fb87e0
SHA256

3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9
SHA512

464b4748b1529f361f9571cdec889ff7c210b1fa132ff9fb27ae71d3ff415187149feb78ae2d317541996744a46744519666b94b06a510701133e643272904d1
SSDEEP

12288:10/4oK2quNthlB8dDdQlIikDdrt71sJYQEoU:U4oVNthAdBOk5rt7r1oU

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ = "DualCore Live"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\NoExplorer = "1"	regsvr32.exe

Modifies registry class 57 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\ROTFlags = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\DM.DLL\AppID = "{1EA97724-A5EA-49c5-8192-671C64350100}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CurVer\ = "DualCore.Live.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\ = "{68AB9409-63A3-4912-B7E8-3A5D879742D6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\AppID = "{1EA97724-A5EA-49c5-8192-671C64350100}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ = "IBHOHelper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\ = "{68AB9409-63A3-4912-B7E8-3A5D879742D6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\VersionIndependentProgID\ = "DualCore.Live"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ = "IBHOHelper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\DM.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ = "DualCore Live"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ProgID\ = "DualCore.Live.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1\ = "DualCore Live"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\Elevation	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\ = "DualCore 1.0 Çü½Ä ¶óÀÌºê·¯¸®"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CLSID\ = "{8FAC7059-EFE0-4b74-858E-3E25A73448D1}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\DLLSurrogate	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\ = "DualCore Live"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\TypeLib\ = "{68AB9409-63A3-4912-B7E8-3A5D879742D6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\ = "DualCore"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\LocalizedString = "@C:\\Users\\Admin\\AppData\\Local\\Temp\\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll,-101"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\RunAs = "Interactive User"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1\CLSID\ = "{8FAC7059-EFE0-4b74-858E-3E25A73448D1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\Elevation\Enabled = "1"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 956	1352	regsvr32.exe	28
PID 1352 wrote to memory of 956	1352	regsvr32.exe	28
PID 1352 wrote to memory of 956	1352	regsvr32.exe	28
PID 1352 wrote to memory of 956	1352	regsvr32.exe	28
PID 1352 wrote to memory of 956	1352	regsvr32.exe	28
PID 1352 wrote to memory of 956	1352	regsvr32.exe	28
PID 1352 wrote to memory of 956	1352	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/956-56-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1352-54-0x000007FEFC091000-0x000007FEFC093000-memory.dmp

Filesize
8KB

Download