a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66

Analysis

max time kernel
220s
max time network
333s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 22:04

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General

Target

a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.dll
Size

705KB
MD5

62756690055ca184fec4e924e270f3ee
SHA1

b1d28dd015ad0656361b124d9ffc683e8b65cafc
SHA256

a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66
SHA512

78cad4bd1779bc549ef4a17c2e9cb6ba4df4c0d47f89e59577e986f8a3899c5f130c7b953d2ce4742d65c160e646c78cccd70bbb699581de6f4f80bc7c0763e0
SSDEEP

12288:wvcPAHG7qZ7/GmIzvjxLsd3REIGMGQPFhTiIb8wiQ:wvIAm7c3CtLQREI6QPbTKw

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\{20F69275-DF29-875C-A9C1-92D6C8C99B73}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20F69275-DF29-875C-A9C1-92D6C8C99B73}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20F69275-DF29-875C-A9C1-92D6C8C99B73}\ = "ApaeLiePeuies"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.ExperaTvecsa	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.ExperaTvecsa\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.ExperaTvecsa\Clsid\ = "{20F69275-DF29-875C-A9C1-92D6C8C99B73}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20F69275-DF29-875C-A9C1-92D6C8C99B73}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20F69275-DF29-875C-A9C1-92D6C8C99B73}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20F69275-DF29-875C-A9C1-92D6C8C99B73}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20F69275-DF29-875C-A9C1-92D6C8C99B73}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.ExperaTvecsa\ = "ApaeLiePeuies"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20F69275-DF29-875C-A9C1-92D6C8C99B73}\ProgID\ = "a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.ExperaTvecsa"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 1492	1156	regsvr32.exe	28
PID 1156 wrote to memory of 1492	1156	regsvr32.exe	28
PID 1156 wrote to memory of 1492	1156	regsvr32.exe	28
PID 1156 wrote to memory of 1492	1156	regsvr32.exe	28
PID 1156 wrote to memory of 1492	1156	regsvr32.exe	28
PID 1156 wrote to memory of 1492	1156	regsvr32.exe	28
PID 1156 wrote to memory of 1492	1156	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a4ad151e5d28e7655ec1aa784e9d4769f2383943131aa8dbae31d3af8cf62c66.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1492

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/1156-54-0x000007FEFB651000-0x000007FEFB653000-memory.dmp

Filesize
8KB

Download
memory/1492-56-0x00000000753F1000-0x00000000753F3000-memory.dmp

Filesize
8KB

Download
memory/1492-57-0x0000000001E90000-0x0000000001F47000-memory.dmp

Filesize
732KB

Download