8c8a779b4a10215c90de3542b9cd0f9dd2f6d24504b4477baee53ad08a4dda3e

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05-01-2024 18:21

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General

Target

441e28d93891777e7764cb8e21b06299.dll
Size

565KB
MD5

441e28d93891777e7764cb8e21b06299
SHA1

989eb58593377503f6e8bc073c6a6f5def9b1a8b
SHA256

8c8a779b4a10215c90de3542b9cd0f9dd2f6d24504b4477baee53ad08a4dda3e
SHA512

ec80d49ef024076414d0c483f07b939eb209d3db050366c1177e99df7638b8c99953a9a0d29769e5bc3d61ffddf8f770e235d0b69c54240699b07dd5e552a329
SSDEEP

12288:VyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOGUZZ54+uVBw0:11fqZCHwIr00taCiHpoZZ5Xu

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\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\441e28d93891777e7764cb8e21b06299.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\441e28d93891777e7764cb8e21b06299.xx\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\441e28d93891777e7764cb8e21b06299.xx\Clsid\ = "{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}\ProgID\ = "441e28d93891777e7764cb8e21b06299.xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\441e28d93891777e7764cb8e21b06299.xx	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\441e28d93891777e7764cb8e21b06299.xx\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8CCE-9A81-2697-846A2D862AD8}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1712	1944	regsvr32.exe	28
PID 1944 wrote to memory of 1712	1944	regsvr32.exe	28
PID 1944 wrote to memory of 1712	1944	regsvr32.exe	28
PID 1944 wrote to memory of 1712	1944	regsvr32.exe	28
PID 1944 wrote to memory of 1712	1944	regsvr32.exe	28
PID 1944 wrote to memory of 1712	1944	regsvr32.exe	28
PID 1944 wrote to memory of 1712	1944	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\441e28d93891777e7764cb8e21b06299.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\441e28d93891777e7764cb8e21b06299.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1712

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

memory/1712-0-0x0000000000180000-0x0000000000213000-memory.dmp

Filesize
588KB

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