005f60757ea4dba625c6ce2d1bafaa61ccb927dfa26f518942d25f209e710cec

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-02-2024 16:41

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General

Target

a4461a8584809c3edf31d68db306e14e.dll
Size

611KB
MD5

a4461a8584809c3edf31d68db306e14e
SHA1

a4cd8d8ca29a6b6f93c657323b7f08fe1bff8886
SHA256

005f60757ea4dba625c6ce2d1bafaa61ccb927dfa26f518942d25f209e710cec
SHA512

581b169a4aa46fe9e8e94b71ec74d66019a85d00154792cca32b271b48c7dc31504b62aa4a8b683bb9cd98ce8d5bd895c017257cc6b1a0c36a8b713757fcad7e
SSDEEP

12288:dyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdrviFA5rgj0VBwYHeIBv7pj:t1fqZCHwIr00taCiHR6+rG0beIBT

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-CB19-C7BE-EE58-C8286788A6F4}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a4461a8584809c3edf31d68db306e14e.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a4461a8584809c3edf31d68db306e14e.sb\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a4461a8584809c3edf31d68db306e14e.sb\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4461a8584809c3edf31d68db306e14e.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a4461a8584809c3edf31d68db306e14e.sb\Clsid\ = "{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB19-C7BE-EE58-C8286788A6F4}\ProgID\ = "a4461a8584809c3edf31d68db306e14e.sb"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2200	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2200	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2200	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2200	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2200	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2200	1720	regsvr32.exe	28
PID 1720 wrote to memory of 2200	1720	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a4461a8584809c3edf31d68db306e14e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a4461a8584809c3edf31d68db306e14e.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2200

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/2200-0-0x00000000003E0000-0x000000000047E000-memory.dmp

Filesize
632KB

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