31dcf3ead048f0a0ae0e23fe431018236fe79b5e596d1ff52b9cc5c63d5ea87a

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 10:31

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General

Target

$APPDATA/tools/bdmanager.dll
Size

68KB
MD5

09006a81a579d90212ccc2bb62cfecc2
SHA1

997ffc8c937eba713dbf8fac8155d8d01b027490
SHA256

253406ed6384bc4f9285c0b8452244b3480b37ec3c3b41f7e2ea5ceba7606464
SHA512

05ffc4683351cd7842199cb945fd6d1806731289601503cd77dd61fa249416ed6a2ce878102f02d1b58e38609b28bb6fea4e45ceab6ee83591f026f53606c280
SSDEEP

768:+22wmtWTLAUBtL9+/wg5sLOY63W7tK4TXDo/gy2V+rSSlO1AMiOPiSGOx:+ATLAUk/bR4TzoQISSlO1AMiOPiSGOx

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

Processes:

regsvr32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\ = "AccountProtect Class"	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

Processes:

regsvr32.exe

description ioc process

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

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

Modifies registry class 50 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\bho.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\ = "AccountProtect Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\ProgID\ = "bho.MyBho.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{0B10A523-D391-4311-BA0D-E19C51C73C66}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho\CLSID\ = "{CDD7718A-D29A-4E86-A62D-7A44848A46C1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho\ = "AccountProtect Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\ = "bho 1.0 ÀàÐÍ¿â"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\bho.DLL\AppID = "{0B10A523-D391-4311-BA0D-E19C51C73C66}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\TypeLib\ = "{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho.1\CLSID\ = "{CDD7718A-D29A-4E86-A62D-7A44848A46C1}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$APPDATA\\tools\\bdmanager.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$APPDATA\\tools\\bdmanager.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\ = "IMyBho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\TypeLib\ = "{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\VersionIndependentProgID\ = "bho.MyBho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\TypeLib\ = "{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho.1\ = "AccountProtect Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.MyBho\CurVer\ = "bho.MyBho.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\ = "IMyBho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{22434ED2-4BFA-4139-AB74-DDC334E322AB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{0B10A523-D391-4311-BA0D-E19C51C73C66}\ = "bho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F190FA2F-97BB-4AA1-9245-EA7C98E6AD14}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$APPDATA\\tools"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2532 wrote to memory of 3644	2532	regsvr32.exe	regsvr32.exe
PID 2532 wrote to memory of 3644	2532	regsvr32.exe	regsvr32.exe
PID 2532 wrote to memory of 3644	2532	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$APPDATA\tools\bdmanager.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$APPDATA\tools\bdmanager.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3644

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

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