8724b9bd541cd37f0c557e9e2679d4c62a229b26e9d0ced71dd0e5ea57dc60a9

Analysis

max time kernel
225s
max time network
333s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 15:41

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General

Target

8724b9bd541cd37f0c557e9e2679d4c62a229b26e9d0ced71dd0e5ea57dc60a9.dll
Size

695KB
MD5

03b0547c1f79d6fa976d68410daa9f59
SHA1

b56c9f032458c88332249c4475f5267627a3d33e
SHA256

8724b9bd541cd37f0c557e9e2679d4c62a229b26e9d0ced71dd0e5ea57dc60a9
SHA512

d2ad3093620d69d36a5ced6b29def6832541ca2736ecd0b8c32a712e34850816211f71088907ec10be3dd2f96a33809959c99036f34982fc0c184743537be6d3
SSDEEP

12288:HzBAox6E+qndKZJMcVad4axiVZudGM3aP///I1B4aZEXKZ83up0/2rbvQTVK1P5:TBvx6E+qksLAVZ4aP//w1B3bYTVK1

Score

6^/10

adware stealer

Malware Config

Signatures

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\{049aeabf-5ae8-5b8f-7705-72fc2e7a33d7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{049aeabf-5ae8-5b8f-7705-72fc2e7a33d7}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{049aeabf-5ae8-5b8f-7705-72fc2e7a33d7}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{049aeabf-5ae8-5b8f-7705-72fc2e7a33d7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{049aeabf-5ae8-5b8f-7705-72fc2e7a33d7}\ = "precisead"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{049aeabf-5ae8-5b8f-7705-72fc2e7a33d7}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{049aeabf-5ae8-5b8f-7705-72fc2e7a33d7}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8724b9bd541cd37f0c557e9e2679d4c62a229b26e9d0ced71dd0e5ea57dc60a9.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1808	1868	regsvr32.exe	27
PID 1868 wrote to memory of 1808	1868	regsvr32.exe	27
PID 1868 wrote to memory of 1808	1868	regsvr32.exe	27
PID 1868 wrote to memory of 1808	1868	regsvr32.exe	27
PID 1868 wrote to memory of 1808	1868	regsvr32.exe	27
PID 1868 wrote to memory of 1808	1868	regsvr32.exe	27
PID 1868 wrote to memory of 1808	1868	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8724b9bd541cd37f0c557e9e2679d4c62a229b26e9d0ced71dd0e5ea57dc60a9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8724b9bd541cd37f0c557e9e2679d4c62a229b26e9d0ced71dd0e5ea57dc60a9.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1808

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/1808-56-0x0000000076931000-0x0000000076933000-memory.dmp

Filesize
8KB

Download
memory/1868-54-0x000007FEFC0B1000-0x000007FEFC0B3000-memory.dmp

Filesize
8KB

Download