03bb92afedb0ab91d390b0dd0b6cee024352bb1683e2829657647defbeb4cda6

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 15:21

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General

Target

53e038c771588a3eb8095904ac2e6fca.dll
Size

256KB
MD5

53e038c771588a3eb8095904ac2e6fca
SHA1

3d329fe3a8ec49ba7a6ac1769f83c6e99f156d4f
SHA256

03bb92afedb0ab91d390b0dd0b6cee024352bb1683e2829657647defbeb4cda6
SHA512

822ec160aa51e6750289086ab3412a7bebd9c25ef01291be2902b2dcb1b122887038bca8735d6d7faa9c463b50a139d54563b1c068da0150f50024b0f9af08e1
SSDEEP

3072:acRXLQU5ohSLaSzFzbvIH//dLrxjXHrI9NGmGc7AlOa+GC4zk/5+pDtkK:acxMnSdbAJFjXLI9cmGC9a/CNcn

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\{E71878D1-E549-489A-92BA-C16F9048E249}	regsvr32.exe

Modifies registry class 56 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer\ = "QXK.Rhythm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\ = "_IaklbEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\53e038c771588a3eb8095904ac2e6fca.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\ = "aklb TL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\ = "Iaklb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\ = "QXK"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\TypeLib\ = "{F02F25F7-FF6C-423A-9D16-504DF8B36772}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\ProgID\ = "QXK.Rhythm"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\53e038c771588a3eb8095904ac2e6fca.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\TypeLib\ = "{F02F25F7-FF6C-423A-9D16-504DF8B36772}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\ = "QXK Rhythm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\VersionIndependentProgID\ = "QXK.Rhythm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID\ = "{E71878D1-E549-489A-92BA-C16F9048E249}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\TypeLib\ = "{F02F25F7-FF6C-423A-9D16-504DF8B36772}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\ = "Iaklb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\TypeLib\ = "{F02F25F7-FF6C-423A-9D16-504DF8B36772}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F02F25F7-FF6C-423A-9D16-504DF8B36772}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E71878D1-E549-489A-92BA-C16F9048E249}\TypeLib\ = "{F02F25F7-FF6C-423A-9D16-504DF8B36772}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BEB03003-AC27-4FDA-96D5-D7566C4498D3}\ = "_IaklbEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5533D5E4-E28A-4E81-8397-2A8309F2A21A}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2864	1180	regsvr32.exe	28
PID 1180 wrote to memory of 2864	1180	regsvr32.exe	28
PID 1180 wrote to memory of 2864	1180	regsvr32.exe	28
PID 1180 wrote to memory of 2864	1180	regsvr32.exe	28
PID 1180 wrote to memory of 2864	1180	regsvr32.exe	28
PID 1180 wrote to memory of 2864	1180	regsvr32.exe	28
PID 1180 wrote to memory of 2864	1180	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\53e038c771588a3eb8095904ac2e6fca.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\53e038c771588a3eb8095904ac2e6fca.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2864

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

Replay Monitor

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Downloads

memory/2864-0-0x0000000010000000-0x0000000010040000-memory.dmp

Filesize
256KB

Download