29c22e9b4831f40a0e84b6361081774c513da83ec93f6130c90aecfb8de3a875

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 22:15

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General

Target

97be1f876e33e0a26ac25c640183ea98.dll
Size

65KB
MD5

97be1f876e33e0a26ac25c640183ea98
SHA1

c1391f318dedf5ab36c0f8205de1ef54343a9eaa
SHA256

29c22e9b4831f40a0e84b6361081774c513da83ec93f6130c90aecfb8de3a875
SHA512

aca4e5500b5a7089e375a3e5929df0df619e4d04297f61d6ffe0ad76cc6f0f198c6db7bc3bafd8641dd69012c906d34a2bc3a5366a4ded7917d4676edc3e1719
SSDEEP

1536:tU5xehBKKQ93E2wo1JUla2FpTo1sFw5n:tUjfCM1JUlfP0

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\{9DFC65A2-588B-47DD-8ABB-EFF129501996}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{9DFC65A2-588B-47DD-8ABB-EFF129501996}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\97be1f876e33e0a26ac25c640183ea98.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\97be1f876e33e0a26ac25c640183ea98.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\TypeLib\ = "{9DFC65A8-588B-47DD-8ABB-EFF129501996}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9DFC65A2-588B-47DD-8ABB-EFF129501996}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DFC65A1-588B-47DD-8ABB-EFF129501996}\TypeLib\ = "{9DFC65A8-588B-47DD-8ABB-EFF129501996}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DFC65A8-588B-47DD-8ABB-EFF129501996}\1.0\0	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2104	regsvr32.exe
2104	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2104	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2104	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2104	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2104	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2104	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2104	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2104	1720	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\97be1f876e33e0a26ac25c640183ea98.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\97be1f876e33e0a26ac25c640183ea98.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:2104

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/2104-0-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

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