d3a06ae244259f14c5e3ce210497b69503a0dcac2df5b1078e51422c5275b781

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 03:10

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General

Target

0c92b16777b67840d3dd2311c0317617.exe
Size

3.8MB
MD5

0c92b16777b67840d3dd2311c0317617
SHA1

f4d5931eaa5a06a92ae6d2898dc92f0b5413a314
SHA256

d3a06ae244259f14c5e3ce210497b69503a0dcac2df5b1078e51422c5275b781
SHA512

02f7b6e5ff1f6ec2ea83ef5b9a543cec88a355e03bfc66e6b0c6cde3783917ad46eff1a1d88b91537d0672f63f33c0e9adaa73dd6392a57804d29b5335eb407b
SSDEEP

49152:qLzYGW6VMZwbGLepAZneRzVRbzDzqlzZ:SLaT

Score

7^/10

adware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2284	mdm.exe
2384	0c92b16777b67840d3dd2311c0317617.LOG

Loads dropped DLL 8 IoCs

pid	Process
2104	0c92b16777b67840d3dd2311c0317617.exe
2104	0c92b16777b67840d3dd2311c0317617.exe
2104	0c92b16777b67840d3dd2311c0317617.exe
2284	mdm.exe
2284	mdm.exe
2284	mdm.exe
2284	mdm.exe
2764	regsvr32.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	0c92b16777b67840d3dd2311c0317617.LOG

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\{3E422F49-1566-40D3-B43D-077EF739AC32}	regsvr32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\~GLH0000.TMP	mdm.exe
File opened for modification	C:\Windows\SysWOW64\NaviHelper.dll	mdm.exe
File created	C:\Windows\SysWOW64\temp.000	mdm.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	regsvr32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 51 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\ = "NaviHelperObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\TypeLib\ = "{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj\ = "NaviHelperObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj\CurVer\ = "NaviHelper.NaviHelperObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\AppID = "{13FACA62-5FC4-4817-9175-9C8D00975916}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\NaviHelper.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{13FACA62-5FC4-4817-9175-9C8D00975916}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\ = "INaviHelperObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{13FACA62-5FC4-4817-9175-9C8D00975916}\ = "NaviHelper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\TypeLib\ = "{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\ = "INaviHelperObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\VersionIndependentProgID\ = "NaviHelper.NaviHelperObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\InprocServer32\ = "C:\\Windows\\SysWow64\\NaviHelper.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\ = "NaviHelper 1.0 ÀàÐÍ¿â"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj.1\CLSID\ = "{3E422F49-1566-40D3-B43D-077EF739AC32}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj\CLSID\ = "{3E422F49-1566-40D3-B43D-077EF739AC32}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\ProgID\ = "NaviHelper.NaviHelperObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NaviHelper.NaviHelperObj.1\ = "NaviHelperObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\NaviHelper.DLL\AppID = "{13FACA62-5FC4-4817-9175-9C8D00975916}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\TypeLib\ = "{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A648A952-0963-4CCA-9343-82D794E5A86F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E422F49-1566-40D3-B43D-077EF739AC32}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CB3EDF87-CDFC-4C4A-B24F-18E4ED3F6958}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\NaviHelper.DLL	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2384	0c92b16777b67840d3dd2311c0317617.LOG

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2284	2104	0c92b16777b67840d3dd2311c0317617.exe	16
PID 2104 wrote to memory of 2284	2104	0c92b16777b67840d3dd2311c0317617.exe	16
PID 2104 wrote to memory of 2284	2104	0c92b16777b67840d3dd2311c0317617.exe	16
PID 2104 wrote to memory of 2284	2104	0c92b16777b67840d3dd2311c0317617.exe	16
PID 2104 wrote to memory of 2284	2104	0c92b16777b67840d3dd2311c0317617.exe	16
PID 2104 wrote to memory of 2284	2104	0c92b16777b67840d3dd2311c0317617.exe	16
PID 2104 wrote to memory of 2284	2104	0c92b16777b67840d3dd2311c0317617.exe	16
PID 2104 wrote to memory of 2384	2104	0c92b16777b67840d3dd2311c0317617.exe	17
PID 2104 wrote to memory of 2384	2104	0c92b16777b67840d3dd2311c0317617.exe	17
PID 2104 wrote to memory of 2384	2104	0c92b16777b67840d3dd2311c0317617.exe	17
PID 2104 wrote to memory of 2384	2104	0c92b16777b67840d3dd2311c0317617.exe	17
PID 2284 wrote to memory of 2764	2284	mdm.exe	18
PID 2284 wrote to memory of 2764	2284	mdm.exe	18
PID 2284 wrote to memory of 2764	2284	mdm.exe	18
PID 2284 wrote to memory of 2764	2284	mdm.exe	18
PID 2284 wrote to memory of 2764	2284	mdm.exe	18
PID 2284 wrote to memory of 2764	2284	mdm.exe	18
PID 2284 wrote to memory of 2764	2284	mdm.exe	18

C:\Users\Admin\AppData\Local\Temp\mdm.exe
"C:\Users\Admin\AppData\Local\Temp\mdm.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" C:\Windows\system32\NaviHelper.dll /s
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in Windows directory
  - Modifies registry class
  PID:2764

C:\Users\Admin\AppData\Local\Temp\0c92b16777b67840d3dd2311c0317617.LOG
"C:\Users\Admin\AppData\Local\Temp\0c92b16777b67840d3dd2311c0317617.LOG"
1⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious use of SetWindowsHookEx
PID:2384

C:\Users\Admin\AppData\Local\Temp\0c92b16777b67840d3dd2311c0317617.exe
"C:\Users\Admin\AppData\Local\Temp\0c92b16777b67840d3dd2311c0317617.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\mdm.exe

Filesize
350KB

MD5
d931631000819120f032e7f8c5d5d130

SHA1
53c1c01e138b9e25529476914e456f8b4b26d511

SHA256
0c0082c58b104c32fa67d5fb4d5e9b0192bcb2fcf8bc341dc170021566176b10

SHA512
5f3de530ec95c9b28ac67321bfd78fe7ec515d8e1d20cca672a66f8e1d433b44fccee62b801917ccc7d8574fd4770184e4461a3be4cc50b55aa7c8171260f92b

Download Submit
memory/2104-7-0x0000000000400000-0x00000000007D4000-memory.dmp

Filesize
3.8MB

Download