253c11ac0d78fb88c2dd6bcb1c612af3e37ab5ef52429491118603b5bba9b327

Analysis

max time kernel
135s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 11:44

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General

Target

cb53a9c6f4ee6544c0ae1856b1cc466e.dll
Size

336KB
MD5

cb53a9c6f4ee6544c0ae1856b1cc466e
SHA1

93418b431bfe42004e96e4384218e1c4e8de4970
SHA256

253c11ac0d78fb88c2dd6bcb1c612af3e37ab5ef52429491118603b5bba9b327
SHA512

07e5bb284a6df3ec7041e1803705252dc431306cd14f3c4698020ad79100a11a8ec051d68ce2bb5e4ca3c3619c8a36c5137ac80692d6ae3155db53542ed9848e
SSDEEP

3072:wHY28vBXSImi9Rbi4nzPTp9axXtErISCwS7aFwBVf7VRIjIwm0bn4nCO9XJ+WrJt:gY2uYXtErA7aFwr74A3dKMgeT66+NE

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\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}	regsvr32.exe

Modifies registry class 50 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\TypeLib\ = "{A26C3416-DC23-443C-8882-EBACB7DC0D0F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\HELPDIR\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\TypeLib\ = "{A26C3416-DC23-443C-8882-EBACB7DC0D0F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\TypeLib\ = "{A26C3416-DC23-443C-8882-EBACB7DC0D0F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cb53a9c6f4ee6544c0ae1856b1cc466e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\ = "Iawmr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cb53a9c6f4ee6544c0ae1856b1cc466e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\ProgID\ = "QXK.Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\ = "_IawmrEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\TypeLib\ = "{A26C3416-DC23-443C-8882-EBACB7DC0D0F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\VersionIndependentProgID\ = "QXK.Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\TypeLib\ = "{A26C3416-DC23-443C-8882-EBACB7DC0D0F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\ = "awmr TL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41BDD46-19C8-44C2-8916-F3B9358EA708}\ = "Iawmr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4522268D-C6BF-40F3-86A4-BB60AD2AE473}\ = "QXK Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A26C3416-DC23-443C-8882-EBACB7DC0D0F}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20D8CAF9-77BA-4E6C-B66F-FB9525E31F76}\ = "_IawmrEvents"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 3684	4884	regsvr32.exe	89
PID 4884 wrote to memory of 3684	4884	regsvr32.exe	89
PID 4884 wrote to memory of 3684	4884	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cb53a9c6f4ee6544c0ae1856b1cc466e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\cb53a9c6f4ee6544c0ae1856b1cc466e.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3684

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

Windows 7 deprecation

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