8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61

Analysis

max time kernel
30s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 14:18

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General

Target

8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.dll
Size

194KB
MD5

e103e5bb3852c8b775f1ee3844fca2be
SHA1

5cca17c7109b68f64e1af746e7523a7cc5a20a28
SHA256

8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61
SHA512

0ba08b4b94facf1469a40c83b3f53f156a5e0f6c0bed119dbf09d3d010aa2afb7b9ea48ef2c983b91c14493e77567e7652751bc89600024d60df6016359e25b5
SSDEEP

3072:EILYp/6oDftXv4PHBWehnCUb4kJLkRz+cY0jiQhwiPn9Fj71KfCA1W2SnakmC:h897xX8YUnCMRJ4O0jpwiPn9FNKfvqtz

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\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.Java (TM)\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID\ = "8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.Java (TM)	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.Java (TM)\ = "Java (TM)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.Java (TM)\Clsid\ = "{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ = "Java (TM)"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1608	1092	regsvr32.exe	27
PID 1092 wrote to memory of 1608	1092	regsvr32.exe	27
PID 1092 wrote to memory of 1608	1092	regsvr32.exe	27
PID 1092 wrote to memory of 1608	1092	regsvr32.exe	27
PID 1092 wrote to memory of 1608	1092	regsvr32.exe	27
PID 1092 wrote to memory of 1608	1092	regsvr32.exe	27
PID 1092 wrote to memory of 1608	1092	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8246efb58d6c54e672f1dc2c0f823d7fb435480bda140d31d6ef79d3f6a63b61.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1608

Network

MITRE ATT&CK Enterprise v6

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

memory/1092-54-0x000007FEFBDB1000-0x000007FEFBDB3000-memory.dmp

Filesize
8KB

Download
memory/1608-56-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download