e197e2659e241fbeef032b3e7410cc941bf32ac5ab00a978cb127b4f8bffc1dc

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 14:22

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General

Target

b8f159ccaf74ade0f6f6d4df8c0d1fc3.dll
Size

162KB
MD5

b8f159ccaf74ade0f6f6d4df8c0d1fc3
SHA1

9df3d3bc96233d74273e7bd4722016fa47d3cec3
SHA256

e197e2659e241fbeef032b3e7410cc941bf32ac5ab00a978cb127b4f8bffc1dc
SHA512

5875e7d1b136c889cb175537c4473741b8b8f2f2e962bacb78b563df5349f0766485f7da8ef0020b771e07d9c75d605a7d55c6d50a1ceef46b34089f8c134acb
SSDEEP

3072:4TagL/kLxyG8fxQ6fOXjsep9QTeo8eoxwlgULoGyMv5s:4GGOoG85XOXjsepZxxwlfUku

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\{43212278-e567-fab4-82c7-b33a138a3bf8} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\b8f159ccaf74ade0f6f6d4df8c0d1fc3.dll\" DllStub"	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\{3fbd0cb9-b643-f5d1-cf1d-bea9d2325835}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3fbd0cb9-b643-f5d1-cf1d-bea9d2325835}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3fbd0cb9-b643-f5d1-cf1d-bea9d2325835}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3fbd0cb9-b643-f5d1-cf1d-bea9d2325835}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3fbd0cb9-b643-f5d1-cf1d-bea9d2325835}\ = "agadoo browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3fbd0cb9-b643-f5d1-cf1d-bea9d2325835}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3fbd0cb9-b643-f5d1-cf1d-bea9d2325835}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8f159ccaf74ade0f6f6d4df8c0d1fc3.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2872	2752	regsvr32.exe	28
PID 2752 wrote to memory of 2872	2752	regsvr32.exe	28
PID 2752 wrote to memory of 2872	2752	regsvr32.exe	28
PID 2752 wrote to memory of 2872	2752	regsvr32.exe	28
PID 2752 wrote to memory of 2872	2752	regsvr32.exe	28
PID 2752 wrote to memory of 2872	2752	regsvr32.exe	28
PID 2752 wrote to memory of 2872	2752	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b8f159ccaf74ade0f6f6d4df8c0d1fc3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b8f159ccaf74ade0f6f6d4df8c0d1fc3.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2872

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads