12012694a5a53be9b9fc35ff238a5653b5424551c4b9ef3dd52c6064d748c3f0

Analysis

max time kernel
118s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 16:46

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General

Target

7dcb43f9b112f1c14ce99474e23c47a4.dll
Size

262KB
MD5

7dcb43f9b112f1c14ce99474e23c47a4
SHA1

2461625116cb6236bdf0832fbae89c72520d61d9
SHA256

12012694a5a53be9b9fc35ff238a5653b5424551c4b9ef3dd52c6064d748c3f0
SHA512

068e870efa2e22548bd49f5a6e85bc05a4f1842077ce67ee1cfa5fa61499103af84088ce0894af2a9c34f2cc78d612f2fe6d937b5153522233e811bce1ecd054
SSDEEP

3072:OyiYck5qEbUViVqUsVNXBB+/3FK3wY+Mx9ZKTwhzWgcs+y:OyiYckbiiVMrXJdt9ZPifly

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\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\ = "Banana Phone 1.0.0.7"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\TypeLib\ = "{6819E778-381F-4196-998A-F1E06AEEE407}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7dcb43f9b112f1c14ce99474e23c47a4.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\TypeLib\ = "{6819e778-381f-4196-998a-f1e06aeee407}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\ = "BananaPhoneIEClientLib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\ = "IBananaPhone"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\ = "Banana Phone 1.0.0.7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7dcb43f9b112f1c14ce99474e23c47a4.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\TypeLib\ = "{6819E778-381F-4196-998A-F1E06AEEE407}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6819E778-381F-4196-998A-F1E06AEEE407}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\ = "IBananaPhone"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88e4fbf6-b6bc-438f-8543-ef5c3a58a479}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D40EF720-55D2-4E48-9C0C-A2116AB6753A}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2472	2964	regsvr32.exe	28
PID 2964 wrote to memory of 2472	2964	regsvr32.exe	28
PID 2964 wrote to memory of 2472	2964	regsvr32.exe	28
PID 2964 wrote to memory of 2472	2964	regsvr32.exe	28
PID 2964 wrote to memory of 2472	2964	regsvr32.exe	28
PID 2964 wrote to memory of 2472	2964	regsvr32.exe	28
PID 2964 wrote to memory of 2472	2964	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7dcb43f9b112f1c14ce99474e23c47a4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7dcb43f9b112f1c14ce99474e23c47a4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2472

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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