6dad2829f133370e27b2232e43b60b9daf5b8c1895a5173922ed8ca0847f2682

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07/01/2024, 15:45

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General

Target

4963d8d951ba22033673109795d058cc.dll
Size

164KB
MD5

4963d8d951ba22033673109795d058cc
SHA1

a37588a163b32f1c5fd5dde3eb87f67cefe5e093
SHA256

6dad2829f133370e27b2232e43b60b9daf5b8c1895a5173922ed8ca0847f2682
SHA512

31bb2d2ec6eabe6220fbb97633c25264758045e0dd0526ea28688a6149eb91e92e61c1ad4e1ee823f861ffa609a9374dfcfebfed73406faacbde6063c5377f1b
SSDEEP

3072:Sh6EvQaeicFJn+nh6wwYQjxp5AXsYRuVF0vjgwaxrsBkLyzC5oO2:SbvHeicFJnyhsYExpTr0rgwaxrqkcPO

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\bcxddlbjpwvm = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\4963d8d951ba22033673109795d058cc.dll\" EntryPoint"	regsvr32.exe

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7b3362a2-526b-139d-1142-f8ba07c46e1b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7b3362a2-526b-139d-1142-f8ba07c46e1b}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b3362a2-526b-139d-1142-f8ba07c46e1b}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4963d8d951ba22033673109795d058cc.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b3362a2-526b-139d-1142-f8ba07c46e1b}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b3362a2-526b-139d-1142-f8ba07c46e1b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b3362a2-526b-139d-1142-f8ba07c46e1b}\ = "gooochi browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b3362a2-526b-139d-1142-f8ba07c46e1b}\InProcServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2832	2432	regsvr32.exe	28
PID 2432 wrote to memory of 2832	2432	regsvr32.exe	28
PID 2432 wrote to memory of 2832	2432	regsvr32.exe	28
PID 2432 wrote to memory of 2832	2432	regsvr32.exe	28
PID 2432 wrote to memory of 2832	2432	regsvr32.exe	28
PID 2432 wrote to memory of 2832	2432	regsvr32.exe	28
PID 2432 wrote to memory of 2832	2432	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4963d8d951ba22033673109795d058cc.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4963d8d951ba22033673109795d058cc.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

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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