85808a37ca4e84473c1c0d309faf06f8d96a1870cca7cffe90ac685feee3e346

Analysis

max time kernel
253s
max time network
276s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 20:17

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General

Target

85808a37ca4e84473c1c0d309faf06f8d96a1870cca7cffe90ac685feee3e346.dll
Size

136KB
MD5

781a2c1f57d95b8c23951b9fe2d7c507
SHA1

5041937b690091df60bfadf78dfb688c8f565b23
SHA256

85808a37ca4e84473c1c0d309faf06f8d96a1870cca7cffe90ac685feee3e346
SHA512

4eaef4fdeeb85dabe4d499bd505a8803cfdf0062adb5730bec1c7a879373564d91ffa4f712110fe6095fbe69cae9d1826ccea663df41834b90056fe9a1411892
SSDEEP

3072:YmTufO7Pmg6JiMJzejY0GLintWUURF7qgKnv:vThAwMJgGLjDR8

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\{D0A7AE29-5A9D-419D-84CD-233098D57135}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D0A7AE29-5A9D-419D-84CD-233098D57135}\ = "XXX TV Support Module"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D0A7AE29-5A9D-419D-84CD-233098D57135}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Ktvsm\CLSID\ = "{D0A7AE29-5A9D-419D-84CD-233098D57135}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\ProgID\ = "tvsm.Ktvsm.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Mtvsm.1\ = "Mtvsm Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Mtvsm	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}\ProgID\ = "tvsm.Mtvsm.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{6875A200-9103-4B6F-B9FC-AC35FE6F99FF}\ = "tvsm"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}\ = "Mtvsm Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\AppID = "{6875A200-9103-4B6F-B9FC-AC35FE6F99FF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}\ = "IKtvsm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Mtvsm\CLSID\ = "{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Ktvsm.1\CLSID\ = "{D0A7AE29-5A9D-419D-84CD-233098D57135}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\ = "XXX TV"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\ = "IMtvsm"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}\AppID = "{6875A200-9103-4B6F-B9FC-AC35FE6F99FF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Ktvsm	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\TypeLib\ = "{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Mtvsm.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Mtvsm\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Ktvsm\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\85808a37ca4e84473c1c0d309faf06f8d96a1870cca7cffe90ac685feee3e346.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\ = "IMtvsm"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Mtvsm\ = "Mtvsm Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Ktvsm\ = "Ktvsm Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Ktvsm\CurVer\ = "tvsm.Ktvsm.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}\NumMethods\ = "7"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\85808a37ca4e84473c1c0d309faf06f8d96a1870cca7cffe90ac685feee3e346.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}\TypeLib\ = "{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\TypeLib\ = "{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DAA47FEE-FD48-4DD1-8AF1-AF1BABD1D12F}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}\ = "IKtvsm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{6875A200-9103-4B6F-B9FC-AC35FE6F99FF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tvsm.Ktvsm.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF4BB3C8-03F3-4A1D-AF96-22EAE542F3DA}\ProxyStubClsid32\ = "{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\Time = 6906906300000000	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F8CBD4C-9D07-4885-99AE-FDE8E43C6699}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0A7AE29-5A9D-419D-84CD-233098D57135}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1959B29D-2ADC-4A5F-BF46-E9E8CEDD5D55}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 8	4696	regsvr32.exe	82
PID 4696 wrote to memory of 8	4696	regsvr32.exe	82
PID 4696 wrote to memory of 8	4696	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\85808a37ca4e84473c1c0d309faf06f8d96a1870cca7cffe90ac685feee3e346.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\85808a37ca4e84473c1c0d309faf06f8d96a1870cca7cffe90ac685feee3e346.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:8

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

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Downloads

memory/8-132-0x0000000000000000-mapping.dmp

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