4458db20eae5b73025267cc6b0b6d92ca75df40c87583d917a2ed20949b771b7

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 06:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

ie/TrustMediaViewerV1alpha2485.dll
Size

85KB
MD5

b5c16621f1b64d8710a522fb8bcfba34
SHA1

7b3b14f227da46e0d77c5d42774100451c2ff8f9
SHA256

7968008c61d60540b54375abf264cb799e33c16956aa58687be819e6632c6ef1
SHA512

f852e7728dceb4f73229c3a522c1f4aea40e895b01a7cf0785b0628c05c33cd66f83b70bc0ab1df8a8185814ea7d0a876217ad432cb35aa2cd7ea5bcec859986
SSDEEP

1536:3pMGCsQis4EnvtKx+kNp8DkoA518DOslQ1lDqFx:mGais4EnlKx+kNoA5uDra1lDq

Score

6^/10

adware discovery 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\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\ = "TrustMediaViewerV1alpha2485"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\NoExplorer = "1"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 38 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\Implemented Categories\{59fb2056-d625-48d0-a944-1a85b5ab2640}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\Implemented Categories\{59fb2056-d625-48d0-a944-1a85b5ab2640}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\Implemented Categories\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\TypeLib\ = "{eb28f7db-1262-40a0-89fa-f9063febe5d4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\ = "ITrustMediaViewerV1alpha2485BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\TypeLib\ = "{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\TrustMediaViewerV1alpha2485.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\TrustMediaViewerV1alpha2485.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\ = "ITrustMediaViewerV1alpha2485BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\ = "TrustMediaViewerV1alpha2485"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\ = "TrustMediaViewerV1alpha2485Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{574A8462-6F26-4C63-809A-0284CE3A8832}\TypeLib\ = "{EB28F7DB-1262-40A0-89FA-F9063FEBE5D4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4a9e15fc-3c9a-4589-97c0-c7b0617e200f}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 3304	2000	regsvr32.exe	83
PID 2000 wrote to memory of 3304	2000	regsvr32.exe	83
PID 2000 wrote to memory of 3304	2000	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\TrustMediaViewerV1alpha2485.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\TrustMediaViewerV1alpha2485.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads