8f356d072130c50787b8a904549b0ca39cbe4c74f95df6be04e12c210449b3e3

Analysis

max time kernel
87s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 14:26

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General

Target
e1e31a4921b9f57c1af76b09fd0f43cd.dll
Size 492KB
Sample240327-rr7esaea37
SHA256 8f356d072130c50787b8a904549b0ca39cbe4c74f95df6be04e12c210449b3e3
MD5 e1e31a4921b9f57c1af76b09fd0f43cd
SHA1 5af59d1ebc1351c53da3152b2267d5846f1c28ce
SHA512 a1406674591e028b2908a437a0fe49c15d0ea6645b20bacaf3c1aed0be3d63395da797052005cac3d9d8a4e976591415a4b38e65c4550714c61a2050fe563f45
SSDEEP 6144:yF+LbpQlHQayxwipiS7gprEmYQm6X0lCToJg:yFGVayx0xEmYQm68Cug
MD5 SHA1 SHA512 SSDEEP

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\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}	regsvr32.exe

Modifies registry class 50 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e1e31a4921b9f57c1af76b09fd0f43cd.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\TypeLib\ = "{45872A5C-E44A-4F74-A584-851626BE0EE4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\ = "aarb TL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e1e31a4921b9f57c1af76b09fd0f43cd.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\TypeLib\ = "{45872A5C-E44A-4F74-A584-851626BE0EE4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\TypeLib\ = "{45872A5C-E44A-4F74-A584-851626BE0EE4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\ = "Iaarb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\ = "Iaarb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\TypeLib\ = "{45872A5C-E44A-4F74-A584-851626BE0EE4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\ = "_IaarbEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\ = "QXK Olive"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\ProgID\ = "QXK.Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\VersionIndependentProgID\ = "QXK.Olive"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\ = "_IaarbEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\TypeLib\ = "{45872A5C-E44A-4F74-A584-851626BE0EE4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFC5E582-35C2-4451-BCA1-52FB7E7FD8F3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45872A5C-E44A-4F74-A584-851626BE0EE4}\1.0\HELPDIR\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A87CF069-040F-4D9D-B12A-D25F21069CD5}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66B856B-CF2A-4CD3-A35F-324EEAB002E1}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 4520	5088	regsvr32.exe	87
PID 5088 wrote to memory of 4520	5088	regsvr32.exe	87
PID 5088 wrote to memory of 4520	5088	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e1e31a4921b9f57c1af76b09fd0f43cd.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e1e31a4921b9f57c1af76b09fd0f43cd.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4520

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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