58ad897b69bd6b68b15c7fc081aae512db6b0185493625e97e594ee4b8e35e90

Analysis

max time kernel
30s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 12:36

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General

Target

58ad897b69bd6b68b15c7fc081aae512db6b0185493625e97e594ee4b8e35e90.dll
Size

126KB
MD5

7982004eac4e593e2bfc4be1607d4844
SHA1

d24e31480604e641bffedc6b8699fa78fe82310e
SHA256

58ad897b69bd6b68b15c7fc081aae512db6b0185493625e97e594ee4b8e35e90
SHA512

9862bc9a6a6270c2734209ad4591ea48763ac290a854938212712e2850a704140ec9795d045f83654aa2e4c0a71b5b83cf91209cda22b3016f559f961ece7310
SSDEEP

1536:oy5GoS9Yag4oI1QOHAN85P67Ix5UmV4+yf:oybxaoI1N27Ix5UmV4Z

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\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\TypeLib\ = "{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58ad897b69bd6b68b15c7fc081aae512db6b0185493625e97e594ee4b8e35e90.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58ad897b69bd6b68b15c7fc081aae512db6b0185493625e97e594ee4b8e35e90.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3E273A91-9273-4B89-8A38-5DF2FD0F0D2E}\TypeLib\ = "{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E273A92-9273-4B89-8A38-5DF2FD0F0D2E}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E273A98-9273-4B89-8A38-5DF2FD0F0D2E}\1.0\0\win32	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1552	regsvr32.exe
1552	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 1552	1616	regsvr32.exe	28
PID 1616 wrote to memory of 1552	1616	regsvr32.exe	28
PID 1616 wrote to memory of 1552	1616	regsvr32.exe	28
PID 1616 wrote to memory of 1552	1616	regsvr32.exe	28
PID 1616 wrote to memory of 1552	1616	regsvr32.exe	28
PID 1616 wrote to memory of 1552	1616	regsvr32.exe	28
PID 1616 wrote to memory of 1552	1616	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\58ad897b69bd6b68b15c7fc081aae512db6b0185493625e97e594ee4b8e35e90.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\58ad897b69bd6b68b15c7fc081aae512db6b0185493625e97e594ee4b8e35e90.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1552

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/1552-55-0x0000000000000000-mapping.dmp

Download
memory/1552-56-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/1552-57-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download
memory/1616-54-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp

Filesize
8KB

Download