771dabc525d7f26b7d5813f605e1bb96143f345558b20c46cf51598cbdb269f1

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 23:08

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General

Target

771dabc525d7f26b7d5813f605e1bb96143f345558b20c46cf51598cbdb269f1.dll
Size

112KB
MD5

d42e6fdf4ea6c1bbb0c835a0fea3f953
SHA1

27054693fba7098f5cde5ab40205305b55560c3b
SHA256

771dabc525d7f26b7d5813f605e1bb96143f345558b20c46cf51598cbdb269f1
SHA512

b466146835624207758b9fe18bf58c0c795d34630450aa0631398068f39a5c569f5f87ff4edc577ca6d5f12ca22b520ece7f5adfc61dbc4712009471a2a2533d
SSDEEP

3072:hYm7N0wjZDivdFHFOFZVc4MJZwyH+l7HC2Lz/Kn:f5wfFOPO4GHEH9/K

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{46A35925-FC76-4647-8355-692142C079AF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{46A35925-FC76-4647-8355-692142C079AF}\	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 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\ProgID\ = "BHO.MsnPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\ = "{B38FF7EF-13A6-4FAD-878F-73F280B31691}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ = "IMsnPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\VersionIndependentProgID\ = "BHO.MsnPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CurVer\ = "BHO.MsnPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\TypeLib\ = "{B38FF7EF-13A6-4FAD-878F-73F280B31691}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\ = "{B38FF7EF-13A6-4FAD-878F-73F280B31691}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\ = "CMsnPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\771dabc525d7f26b7d5813f605e1bb96143f345558b20c46cf51598cbdb269f1.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\771dabc525d7f26b7d5813f605e1bb96143f345558b20c46cf51598cbdb269f1.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\CLSID\ = "{46A35925-FC76-4647-8355-692142C079AF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\ = "CMsnPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ = "IMsnPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\ = "CMsnPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CLSID\ = "{46A35925-FC76-4647-8355-692142C079AF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2912	2420	regsvr32.exe	30
PID 2420 wrote to memory of 2912	2420	regsvr32.exe	30
PID 2420 wrote to memory of 2912	2420	regsvr32.exe	30
PID 2420 wrote to memory of 2912	2420	regsvr32.exe	30
PID 2420 wrote to memory of 2912	2420	regsvr32.exe	30
PID 2420 wrote to memory of 2912	2420	regsvr32.exe	30
PID 2420 wrote to memory of 2912	2420	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\771dabc525d7f26b7d5813f605e1bb96143f345558b20c46cf51598cbdb269f1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\771dabc525d7f26b7d5813f605e1bb96143f345558b20c46cf51598cbdb269f1.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2912

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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