fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b

Analysis

max time kernel
46s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 00:23

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General

Target

fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll
Size

45KB
MD5

356442b11898e469b8268c4d9b664f80
SHA1

26de68289771473e78b68599a843678d9930c532
SHA256

fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b
SHA512

8011e205b4f393f9d49bb51a44999d745a41dc90be85d99777c28c15f4ecbee9a846d3dcacfdb11d75225f2a7ea91fc0ae4f725a756017b0f9ed980465075174
SSDEEP

768:/8WzvIfFvHUcFs0DaaoQHRmf8CkyYkLkvITXMu:/8WDOl0cOa7mfj7YnvIjMu

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\{A5CAE223-1163-6304-A43E-33D18BB79937}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{A5CAE223-1163-6304-A43E-33D18BB79937}\ = "\"Windows Live Helper v.1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{A5CAE223-1163-6304-A43E-33D18BB79937}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 45 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Helper	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\ = "{A139F1B8-09AB-427F-8539-A180D9878D1B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v.1\ = "Windows Live Helper v.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\ = "{A139F1B8-09AB-427F-8539-A180D9878D1B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ = "ICBlocker"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Windows	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\ProgID\ = "Windows Live Helper v.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\ = "Windows Live Helper v.1 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ = "ICBlocker"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Live	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CurVer\ = "Windows Live Helper v.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CLSID\ = "{A5CAE223-1163-6304-A43E-33D18BB79937}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\ = "Windows Live Helper v.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\VersionIndependentProgID\ = "Windows Live Helper v.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\TypeLib\ = "{A139F1B8-09AB-427F-8539-A180D9878D1B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 1936	1500	regsvr32.exe	27
PID 1500 wrote to memory of 1936	1500	regsvr32.exe	27
PID 1500 wrote to memory of 1936	1500	regsvr32.exe	27
PID 1500 wrote to memory of 1936	1500	regsvr32.exe	27
PID 1500 wrote to memory of 1936	1500	regsvr32.exe	27
PID 1500 wrote to memory of 1936	1500	regsvr32.exe	27
PID 1500 wrote to memory of 1936	1500	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1936

Network

MITRE ATT&CK Enterprise v6

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/1500-54-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download
memory/1936-56-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download