8b477a687d8042f9c5219ee80d9a69000fffe00e59446b33b848e6ecda0c925e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 14:44

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General

Target

8c98024ba62716b5ba4fcdca57c4cd21.dll
Size

636KB
MD5

8c98024ba62716b5ba4fcdca57c4cd21
SHA1

c257f5e5a6a2092507ded9da6c67b2158d9038ba
SHA256

8b477a687d8042f9c5219ee80d9a69000fffe00e59446b33b848e6ecda0c925e
SHA512

9c3003a2a475f012f75b7254e31892bcd16e73f1855e4b747403f37d5a01b7c8f4d815956782c35b99c5a5d9e2edbbf9d1e76b0fec082e50986c00e29474ea61
SSDEEP

12288:dM0t9FNcxDMmfrLAF8rZIRf2MmsX4eIvnGho/fO79s:7tjNcXnVInv4emGhw

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-8316-9F2C-7537-DB124A2FD272}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8316-9F2C-7537-DB124A2FD272}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8c98024ba62716b5ba4fcdca57c4cd21.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8c98024ba62716b5ba4fcdca57c4cd21.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8c98024ba62716b5ba4fcdca57c4cd21.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8c98024ba62716b5ba4fcdca57c4cd21.axc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8316-9F2C-7537-DB124A2FD272}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8316-9F2C-7537-DB124A2FD272}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8316-9F2C-7537-DB124A2FD272}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8316-9F2C-7537-DB124A2FD272}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8316-9F2C-7537-DB124A2FD272}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8c98024ba62716b5ba4fcdca57c4cd21.axc\Clsid\ = "{CC01FC6C-8316-9F2C-7537-DB124A2FD272}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-8316-9F2C-7537-DB124A2FD272}\ProgID\ = "8c98024ba62716b5ba4fcdca57c4cd21.axc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2324	2108	regsvr32.exe	28
PID 2108 wrote to memory of 2324	2108	regsvr32.exe	28
PID 2108 wrote to memory of 2324	2108	regsvr32.exe	28
PID 2108 wrote to memory of 2324	2108	regsvr32.exe	28
PID 2108 wrote to memory of 2324	2108	regsvr32.exe	28
PID 2108 wrote to memory of 2324	2108	regsvr32.exe	28
PID 2108 wrote to memory of 2324	2108	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8c98024ba62716b5ba4fcdca57c4cd21.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8c98024ba62716b5ba4fcdca57c4cd21.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2324

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/2324-0-0x0000000002290000-0x0000000002334000-memory.dmp

Filesize
656KB

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