fe69f08d2f2832770063a008acd8c542b0f334bffd123b5b45dd5a8107da0235

Analysis

max time kernel
122s
max time network
141s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 20:01

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General

Target

39eca13489254fae979125db56b92baa.exe
Size

75KB
MD5

39eca13489254fae979125db56b92baa
SHA1

85aea2864cbe849bbd73ae32075ab9da284dda70
SHA256

fe69f08d2f2832770063a008acd8c542b0f334bffd123b5b45dd5a8107da0235
SHA512

5cb2d8235693d49b37e72678e96a5ab05d20ca0e506a9b7aa1f7f44d822f98b8fa5a64f8cd109b88e2fc08aab99d99be098729d99d2a2ef54d92ff2c998b6f17
SSDEEP

768:QTQodfJF4+PJjPiiMAoGrx+G3twHzVlvKF9ZQk5NAq2OSGNPgzVKZ75TIIx/65uM:Zodf7+8Q0Aq2+1g5QTSuM9fiS

Score

7^/10

adware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2544	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2696	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	39eca13489254fae979125db56b92baa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{749B4F65-6F76-4263-A666-07642B79F1E3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{749B4F65-6F76-4263-A666-07642B79F1E3}\	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	39eca13489254fae979125db56b92baa.exe

Modifies registry class 56 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2991F100-D9C3-4243-82A2-A718747FC0CF}\1.0\0\win32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2991F100-D9C3-4243-82A2-A718747FC0CF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\TypeLib\ = "{F5604774-9DDB-4DAA-8BE0-372044A910AA}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\TypeLib	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\NumMethods	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\BBDNS.Dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\URLRedirection.URLRedirectionBHO	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\ProxyStubClsid32\ = "{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\URLRedirection.URLRedirectionBHO.1\CLSID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\InProcServer32\ = "C:\\Program Files (x86)\\Common Files\\Adobe\\Acrobat\\ActiveX\\AcroIEHelperShim.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\TypeLib	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroIEHelperShim.AcroIEHelperShimObj.1\CLSID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\AcroIEHelperShim.DLL	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\Version	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\URLRedirection.URLRedirectionBHO\CLSID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroIEHelperShim.AcroIEHelperShimObj.1	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroIEHelperShim.AcroIEHelperShimObj\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\URLRedirection.URLRedirectionBHO\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\ = "BDN"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroIEHelperShim.AcroIEHelperShimObj\CurVer	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2991F100-D9C3-4243-82A2-A718747FC0CF}\1.0\0	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2991F100-D9C3-4243-82A2-A718747FC0CF}\1.0\HELPDIR	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{77AB4812-5411-4EA9-8437-77AD0F230302}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroIEHelperShim.AcroIEHelperShimObj	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{749B4F65-6F76-4263-A666-07642B79F1E3}\Version\ = "1.0"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\ = "IAcroIEHelperShimObj"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2991F100-D9C3-4243-82A2-A718747FC0CF}\1.0\FLAGS	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2991F100-D9C3-4243-82A2-A718747FC0CF}\1.0	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\URLRedirection.URLRedirectionBHO.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FDA6EEC2-325B-4E8A-A8C7-1C75DFBE72D5}\NumMethods\ = "7"	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2908	39eca13489254fae979125db56b92baa.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2696	2908	39eca13489254fae979125db56b92baa.exe	29
PID 2908 wrote to memory of 2696	2908	39eca13489254fae979125db56b92baa.exe	29
PID 2908 wrote to memory of 2696	2908	39eca13489254fae979125db56b92baa.exe	29
PID 2908 wrote to memory of 2696	2908	39eca13489254fae979125db56b92baa.exe	29
PID 2908 wrote to memory of 2696	2908	39eca13489254fae979125db56b92baa.exe	29
PID 2908 wrote to memory of 2696	2908	39eca13489254fae979125db56b92baa.exe	29
PID 2908 wrote to memory of 2696	2908	39eca13489254fae979125db56b92baa.exe	29
PID 2908 wrote to memory of 2808	2908	39eca13489254fae979125db56b92baa.exe	30
PID 2908 wrote to memory of 2808	2908	39eca13489254fae979125db56b92baa.exe	30
PID 2908 wrote to memory of 2808	2908	39eca13489254fae979125db56b92baa.exe	30
PID 2908 wrote to memory of 2808	2908	39eca13489254fae979125db56b92baa.exe	30
PID 2908 wrote to memory of 2808	2908	39eca13489254fae979125db56b92baa.exe	30
PID 2908 wrote to memory of 2808	2908	39eca13489254fae979125db56b92baa.exe	30
PID 2908 wrote to memory of 2808	2908	39eca13489254fae979125db56b92baa.exe	30
PID 2908 wrote to memory of 2588	2908	39eca13489254fae979125db56b92baa.exe	31
PID 2908 wrote to memory of 2588	2908	39eca13489254fae979125db56b92baa.exe	31
PID 2908 wrote to memory of 2588	2908	39eca13489254fae979125db56b92baa.exe	31
PID 2908 wrote to memory of 2588	2908	39eca13489254fae979125db56b92baa.exe	31
PID 2908 wrote to memory of 2588	2908	39eca13489254fae979125db56b92baa.exe	31
PID 2908 wrote to memory of 2588	2908	39eca13489254fae979125db56b92baa.exe	31
PID 2908 wrote to memory of 2588	2908	39eca13489254fae979125db56b92baa.exe	31
PID 2908 wrote to memory of 2536	2908	39eca13489254fae979125db56b92baa.exe	32
PID 2908 wrote to memory of 2536	2908	39eca13489254fae979125db56b92baa.exe	32
PID 2908 wrote to memory of 2536	2908	39eca13489254fae979125db56b92baa.exe	32
PID 2908 wrote to memory of 2536	2908	39eca13489254fae979125db56b92baa.exe	32
PID 2908 wrote to memory of 2536	2908	39eca13489254fae979125db56b92baa.exe	32
PID 2908 wrote to memory of 2536	2908	39eca13489254fae979125db56b92baa.exe	32
PID 2908 wrote to memory of 2536	2908	39eca13489254fae979125db56b92baa.exe	32
PID 2908 wrote to memory of 2544	2908	39eca13489254fae979125db56b92baa.exe	33
PID 2908 wrote to memory of 2544	2908	39eca13489254fae979125db56b92baa.exe	33
PID 2908 wrote to memory of 2544	2908	39eca13489254fae979125db56b92baa.exe	33
PID 2908 wrote to memory of 2544	2908	39eca13489254fae979125db56b92baa.exe	33

C:\Users\Admin\AppData\Local\Temp\39eca13489254fae979125db56b92baa.exe
"C:\Users\Admin\AppData\Local\Temp\39eca13489254fae979125db56b92baa.exe"
1⤵
- Installs/modifies Browser Helper Object
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s "C:\Users\Admin\AppData\Roaming\Microsoft\BBDNS.Dll
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2696
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s /u "C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
  2⤵
  - Modifies registry class
  PID:2808
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s /u "C:\PROGRA~2\MICROS~1\Office14\URLREDIR.DLL
  2⤵
  - Modifies registry class
  PID:2588
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s /u "C:\PROGRA~2\MICROS~1\Office14\URLREDIR.DLL
  2⤵
  PID:2536
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\39eca13489254fae979125db56b92baa.exe
  2⤵
  - Deletes itself
  PID:2544

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\BBDNS.Dll

Filesize
50KB

MD5
c437ddd7bd995bc7534efdd9c804e042

SHA1
61cee341d82af3eba2f66629522c1f066ce8aa1b

SHA256
1244e7c70904abaa07773eef41566da84eb81bbf18f95124f4991d41a05e593f

SHA512
0bfcd744babec6493e9cbda8b5bf25c41d0e546dfc1f9495d8f41ca7f4e7044245159c8cc122b4807ca2677250954288cfe8b70bfe22a47c12fc9564f1d309ad

Download Submit
memory/2696-5-0x0000000000130000-0x0000000000140000-memory.dmp

Filesize
64KB

Download
memory/2908-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download