769653c26fcdf9bad0e9c392052a3e13274eeecdb2dfdb6c881f2feff076ec5d

General

Target

769653c26fcdf9bad0e9c392052a3e13274eeecdb2dfdb6c881f2feff076ec5d.dll
Size

1.6MB
MD5

dd1d359958d375d0ced4d2ac5a1ed146
SHA1

7ca320e6e92cface445b132ebf9db77ea1ac21e0
SHA256

769653c26fcdf9bad0e9c392052a3e13274eeecdb2dfdb6c881f2feff076ec5d
SHA512

0fb4f34de83edcc38e1e07a108ea3f8cd1a6d3eabbd4be642370a70d273eae7307a4821edc4cdad21b440068c436f28513b7962d18e4f8b45bc0918ce2fd68ba
SSDEEP

24576:2Fhl9Fnix1kHcPGlFERUmu4T/Wzmq3fjmNV/vpK0vMTuFU9Kr61B9wrEH7Q:Cl9FikjsYvjmN9vpX0TuF2Z1A

Score

7^/10

adware stealer upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	acprotect

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

2240 regsvr32.exe

pid	process
2240	regsvr32.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	upx
behavioral1/memory/2240-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2240-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 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\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\NoExplorer = "1"	regsvr32.exe

Drops file in Program Files directory 1 IoCs

Processes:

regsvr32.exe

description ioc process

File created C:\Program Files\Common Files\System\symsrv.dll regsvr32.exe

description	ioc	process
File created	C:\Program Files\Common Files\System\symsrv.dll	regsvr32.exe

Modifies registry class 23 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CLSID\ = "{B69F34DD-F0F9-42DC-9EDD-957187DA688D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\769653c26fcdf9bad0e9c392052a3e13274eeecdb2dfdb6c881f2feff076ec5d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1\CLSID\ = "{B69F34DD-F0F9-42DC-9EDD-957187DA688D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CurVer\ = "Safemon.NavigatMon.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1\ = "SafeMon Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\ = "SafeMon Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\VersionIndependentProgID\ = "Safemon.NavigatMon"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\TypeLib\ = "{BB67E9B5-A1A3-4206-A443-DE93D592682C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ = "SafeMon Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID\ = "Safemon.NavigatMon.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1996 wrote to memory of 2240	1996	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 2240	1996	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 2240	1996	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 2240	1996	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 2240	1996	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 2240	1996	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 2240	1996	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\769653c26fcdf9bad0e9c392052a3e13274eeecdb2dfdb6c881f2feff076ec5d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\769653c26fcdf9bad0e9c392052a3e13274eeecdb2dfdb6c881f2feff076ec5d.dll
2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies registry class
PID:2240

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

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Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2240-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2240-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads