c7c237f2c99592d563fc2562c088997136130784d19071613e0ac00e237cc8e1

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 08:25

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General

Target
dd8e4502566d589b4534a6bbf84024c3.dll
Size 84KB
Sample240325-kbb6dabc44
SHA256 c7c237f2c99592d563fc2562c088997136130784d19071613e0ac00e237cc8e1
MD5 dd8e4502566d589b4534a6bbf84024c3
SHA1 7eaf022347f9e96502e4c72576ffd6bc0e567e22
SHA512 10fc318f149e529e0151702d739b21d6c8af2e4e2ed986692fbdf88d604da96040b6ed0ce4496a71a24f3a10656fd69601376ee1ee13798b168e3941c0008a51
SSDEEP 1536:PP1pTiHhnw5m/Ys5SHTdPc7HRglo6F4Zec4:HLewSYvuxglo6F4
MD5 SHA1 SHA512 SSDEEP

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\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\ = "IBaiduHlpr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr.1\ = "sosHlpr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr\CurVer\ = "sos.sosHlpr.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\ = "IBaiduHlpr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\TypeLib\ = "{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr\CLSID\ = "{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dd8e4502566d589b4534a6bbf84024c3.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\ = "Baidu 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dd8e4502566d589b4534a6bbf84024c3.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\TypeLib\ = "{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr.1\CLSID\ = "{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\TypeLib\ = "{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB7F4BCA-E094-44C9-B1F8-B5AC0BC1A972}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\ = "sosHlpr Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6EAD366A-19DB-46D6-8D24-337D424111D4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sos.sosHlpr\ = "sosHlpr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\ProgID\ = "sos.sosHlpr.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00C104F7-0F5C-470C-ABCF-A5B2E70752F1}\VersionIndependentProgID\ = "sos.sosHlpr"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 212	4520	regsvr32.exe	89
PID 4520 wrote to memory of 212	4520	regsvr32.exe	89
PID 4520 wrote to memory of 212	4520	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dd8e4502566d589b4534a6bbf84024c3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dd8e4502566d589b4534a6bbf84024c3.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:212

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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