5e5fddeb89e6eb584b359d64f4a31500c857ecf5f40d3c9852edf14ecc4b80df

General

Target

a3a71f7ab30e29aa3b35e25737660219.dll
Size

26KB
MD5

a3a71f7ab30e29aa3b35e25737660219
SHA1

df94f425cb83cb7227dd68f1a8f965fef343935c
SHA256

5e5fddeb89e6eb584b359d64f4a31500c857ecf5f40d3c9852edf14ecc4b80df
SHA512

d03d0024245ba63b2cc5e4abbf9fd652d9a94f03dbedf9e3b592df2a8cf5b9c9f6d631c18af5a6453f24f884a7e03bc81330cbb706e1541038b1da418ca4d44e
SSDEEP

384:XpU1YgxxTzbcjGAUL9/c4z5GcoLHcQpGWEf6DEBug3Vk:5+YgxxTPsU1c4dK7/w6oC

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1872-0-0x0000000010000000-0x0000000010018000-memory.dmp	upx

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

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}	regsvr32.exe

Modifies registry class 60 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CurVer\ = "BhoNew.Bho.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\ = "AVG Safe Search"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\CLSID\ = "{1C1B8A44-61FE-411E-8F33-813A4E2E2984}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\ = "Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\ = "AVG Safe Search"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CLSID\ = "{1C1B8A44-61FE-411E-8F33-813A4E2E2984}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ = "_IBhoEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ = "_IBhoEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a3a71f7ab30e29aa3b35e25737660219.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\ = "AVG Safe Search"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\ProgID\ = "BhoNew.Bho.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A3A71F~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\VersionIndependentProgID\ = "BhoNew.Bho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1C1B8A44-61FE-411E-8F33-813A4E2E2984}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2084 wrote to memory of 1872	2084	regsvr32.exe	regsvr32.exe
PID 2084 wrote to memory of 1872	2084	regsvr32.exe	regsvr32.exe
PID 2084 wrote to memory of 1872	2084	regsvr32.exe	regsvr32.exe
PID 2084 wrote to memory of 1872	2084	regsvr32.exe	regsvr32.exe
PID 2084 wrote to memory of 1872	2084	regsvr32.exe	regsvr32.exe
PID 2084 wrote to memory of 1872	2084	regsvr32.exe	regsvr32.exe
PID 2084 wrote to memory of 1872	2084	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a3a71f7ab30e29aa3b35e25737660219.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2084

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\a3a71f7ab30e29aa3b35e25737660219.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1872

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1872-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads