d47432e6302128108b48260cd096f856edab9e2ae7576726f8be14e59dd9f2c7

Analysis

max time kernel
144s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 00:21

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General

Target

1c899be2cc7a13607f2ea95d2ee75750.dll
Size

166KB
MD5

1c899be2cc7a13607f2ea95d2ee75750
SHA1

6ac705bb1a8977c4c30d8428d219cae32404d25f
SHA256

d47432e6302128108b48260cd096f856edab9e2ae7576726f8be14e59dd9f2c7
SHA512

b87cc4ad4644f78570d707f7c52cd0df51ff7da39ba0fd68bca09ecf1d4976a0b4280173f51c161188d2b1048567142093bbe4b268ac11e537012c83a215e0ee
SSDEEP

3072:UCTjEopzYpxRBwRzEVw6U3bbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU75Mp:7jTWpxbSz7wvP6bQ7yMP+DE8275M9W2H

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}	regsvr32.exe

Modifies registry class 52 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser.1\CLSID\ = "{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\ = "InfoNet Viewer Objects"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\wversion = "3.3.6"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\ = "Ibrowser"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c899be2cc7a13607f2ea95d2ee75750.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser\ = "InfoNet Viewer Objects"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\ProgID\ = "Webbrowser.browser.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\ = "InfoNet Viewer Objects 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c899be2cc7a13607f2ea95d2ee75750.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\TypeLib\ = "{E6BEC792-A39D-4512-AA44-41627908DC2E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\webbrowser = "{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser.1\ = "InfoNet Viewer Objects"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\ = "Ibrowser"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser\CLSID\ = "{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\TypeLib\ = "{E6BEC792-A39D-4512-AA44-41627908DC2E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E6BEC792-A39D-4512-AA44-41627908DC2E}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Webbrowser.browser\CurVer\ = "Webbrowser.browser.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{986488AF-13D5-9DDF-4FEF-9FB88698CFC1}\VersionIndependentProgID\ = "Webbrowser.browser"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3342887-AAB1-428C-90C6-642BE0B6CFFE}\TypeLib\ = "{E6BEC792-A39D-4512-AA44-41627908DC2E}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3528 wrote to memory of 3952	3528	regsvr32.exe	16
PID 3528 wrote to memory of 3952	3528	regsvr32.exe	16
PID 3528 wrote to memory of 3952	3528	regsvr32.exe	16

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c899be2cc7a13607f2ea95d2ee75750.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1c899be2cc7a13607f2ea95d2ee75750.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3952

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3952-0-0x0000000010000000-0x000000001003A000-memory.dmp

Filesize
232KB

Download
memory/3952-19-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download
memory/3952-18-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

Filesize
4KB

Download
memory/3952-17-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download
memory/3952-16-0x0000000000D90000-0x0000000000D91000-memory.dmp

Filesize
4KB

Download
memory/3952-15-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/3952-14-0x0000000000D70000-0x0000000000D71000-memory.dmp

Filesize
4KB

Download
memory/3952-13-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/3952-12-0x0000000000D50000-0x0000000000D51000-memory.dmp

Filesize
4KB

Download
memory/3952-11-0x0000000000D20000-0x0000000000D21000-memory.dmp

Filesize
4KB

Download
memory/3952-10-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/3952-9-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/3952-8-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/3952-7-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/3952-6-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3952-5-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/3952-4-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/3952-3-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/3952-2-0x00000000006A0000-0x00000000006A3000-memory.dmp

Filesize
12KB

Download
memory/3952-1-0x00000000006C0000-0x00000000006F0000-memory.dmp

Filesize
192KB

Download