5777a812e92e510cd2dce482898b1554d86dac56aaf57526f652a0f380de3cd1

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 23:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

widmoa.dll
Size

312KB
MD5

bd3cce9bd5ccf1c3a81645975eedde39
SHA1

aa9f016663a336a3c14e0e8320f9d97165973d03
SHA256

027c0d02adb68ce50a745248f06be15422a573f638217e637e16ec0d9aec56e6
SHA512

e9daabce380c4e5ed526e11145a600fadf445845af6a88cc33f4432b5203c63691e19d5635a53c6c26741c7a09d26006a3008cfa18bdff314228b9e567cdc931
SSDEEP

3072:FjOEkvzKpKP1yCip3m6YqFZd9Du8A5iTK1SAeQvuNafLD+:UxKp85iNmktLA5gNaz

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\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\ = "widhmoa Object"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\widmoa.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho\CurVer\ = "widmoa.widmoaBho.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\TypeLib\ = "{3B5819A8-2848-415E-99CA-2E51B98D5BEB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\ = "widhmoa Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\VersionIndependentProgID\ = "widmoa.widmoaBho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\TypeLib\ = "{3B5819A8-2848-415E-99CA-2E51B98D5BEB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\widmoa.DLL\AppID = "{A11ECFE3-BF5D-4B68-BE1A-E77FD14F2B75}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho\CLSID\ = "{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\ = "IwidmoaBho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho.1\ = "widmoaBho Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{A11ECFE3-BF5D-4B68-BE1A-E77FD14F2B75}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho.1\CLSID\ = "{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\HELPDIR\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho\ = "widmoaBho Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\AppID = "{A11ECFE3-BF5D-4B68-BE1A-E77FD14F2B75}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\widmoa.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\widmoa.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\widmoa.widmoaBho.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\ = "IwidmoaBho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0\ = "widmoa 1.0 Çü½Ä ¶óÀÌºê·¯¸®"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\TypeLib\ = "{3B5819A8-2848-415E-99CA-2E51B98D5BEB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46ABCABA-C7AF-49DF-92D8-A24EA2C9E9B4}\ProgID\ = "widmoa.widmoaBho.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FC1966A-84A1-459E-8AEE-D6C10EFD2A59}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{A11ECFE3-BF5D-4B68-BE1A-E77FD14F2B75}\ = "widmoa"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B5819A8-2848-415E-99CA-2E51B98D5BEB}\1.0	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2440	1252	regsvr32.exe	83
PID 1252 wrote to memory of 2440	1252	regsvr32.exe	83
PID 1252 wrote to memory of 2440	1252	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\widmoa.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\widmoa.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2440

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads