c1b7c94a90921ede4abfc0848a356dda80b81abdb81085b49fa34f1248195d17

Analysis

max time kernel
120s
max time network
135s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 12:17

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General

Target

6ddbb3e9bf80f74ba7e32fe302a6eac0.dll
Size

252KB
MD5

6ddbb3e9bf80f74ba7e32fe302a6eac0
SHA1

a325698b700507d8a538c04b548fa45b45a5b167
SHA256

c1b7c94a90921ede4abfc0848a356dda80b81abdb81085b49fa34f1248195d17
SHA512

839ecea0da808d81f2993c706b191a311e06870c775ef2fa74b27e165d2652a5eeb8e8dc900632922c75dd0938b9a4b8005d82288250d7889ba04b5bf3fecffa
SSDEEP

6144:N4XDsIkuO6nGReMpIK6GGm5tw6nJ+RBiREgSFV:NcDvi6n+2m5tN+RBiaL

Score

6^/10

adware 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\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ = "Microsoft User"	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6ddbb3e9bf80f74ba7e32fe302a6eac0.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{A9D0E35F-0176-4CFB-971B-A1CB317B1738}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ = "IFunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\ = "{635634C3-9039-4B52-9090-7882FC04009C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\TypeLib\ = "{635634C3-9039-4B52-9090-7882FC04009C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ProgID\ = "BHO.FunPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\ = "{635634C3-9039-4B52-9090-7882FC04009C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID\ = "{A9D0E35F-0176-4CFB-971B-A1CB317B1738}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6ddbb3e9bf80f74ba7e32fe302a6eac0.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2276	848	regsvr32.exe	27
PID 848 wrote to memory of 2276	848	regsvr32.exe	27
PID 848 wrote to memory of 2276	848	regsvr32.exe	27
PID 848 wrote to memory of 2276	848	regsvr32.exe	27
PID 848 wrote to memory of 2276	848	regsvr32.exe	27
PID 848 wrote to memory of 2276	848	regsvr32.exe	27
PID 848 wrote to memory of 2276	848	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6ddbb3e9bf80f74ba7e32fe302a6eac0.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:848
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6ddbb3e9bf80f74ba7e32fe302a6eac0.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2276

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

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