16ca834c353918c740a5e266ce933f85ff3338114696bf451e258869d5606194

General

Target

751c16ec9f6d085c294e702cc70767bd.dll
Size

172KB
MD5

751c16ec9f6d085c294e702cc70767bd
SHA1

ea8687f41504b772cc0526aa4e8593a04b04949d
SHA256

16ca834c353918c740a5e266ce933f85ff3338114696bf451e258869d5606194
SHA512

d9beca8723d9a5f057715ea844b844bdebf44f3fa7b5f26d71f57754e1430bfb617ec3179cb1c303fc27e0d7c0102b81c5979a43ff256825885682960970d65e
SSDEEP

3072:Im92W3U8IpCwWdVLrA1f7U6KugL8b5/G8ctPlzbYeq5WyWci/:I/W3U8OJ+TFL89FIbcWy4

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6E23A7EE-19E8-3098-820B-9EFCA62EE077}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6E23A7EE-19E8-3098-820B-9EFCA62EE077}\IExplore = "1"	regsvr32.exe

Modifies registry class 29 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\ = "ID"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\TypeLib\ = "{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E23A7EE-19E8-3098-820B-9EFCA62EE077}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\751c16ec9f6d085c294e702cc70767bd.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\TypeLib\ = "{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E23A7EE-19E8-3098-820B-9EFCA62EE077}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E23A7EE-19E8-3098-820B-9EFCA62EE077}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E23A7EE-19E8-3098-820B-9EFCA62EE077}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\ = "LIB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\ = "ID"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\751c16ec9f6d085c294e702cc70767bd.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09DBC813-7602-3938-BD89-A1B5C72EFBA0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E23A7EE-19E8-3098-820B-9EFCA62EE077}\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA5A6C0D-62A2-3890-9CE1-C883A510B8F1}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2056 wrote to memory of 2916	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2916	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2916	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2916	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2916	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2916	2056	regsvr32.exe	regsvr32.exe
PID 2056 wrote to memory of 2916	2056	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\751c16ec9f6d085c294e702cc70767bd.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2056

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\751c16ec9f6d085c294e702cc70767bd.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

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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