e24ff73e16c45b6948c8de5d222328b51aedabdd43eb00b21390c3a638ffb11d

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 03:22

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General

Target

4ff4d7217c6d2318a617dbd79f0166a8.dll
Size

634KB
MD5

4ff4d7217c6d2318a617dbd79f0166a8
SHA1

245c9ef4e38b7273ed0b5e417212b1aecc8b7857
SHA256

e24ff73e16c45b6948c8de5d222328b51aedabdd43eb00b21390c3a638ffb11d
SHA512

5cf4394227770c14a623a0f9a1c036c62baf4c8dd8737329591c0a732673344ae9438f7c1c671131bc59b64628eb83f9fc37b52331c3b127a4241d1aed08c083
SSDEEP

12288:mM0t9FNcxDMmfrLAF8rZIRf2MmsXabw7LRhi/fO79s:utjNcXnVInvak7thS

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-CAF1-F715-DD38-E9869486FE72}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\4ff4d7217c6d2318a617dbd79f0166a8.axc\Clsid\ = "{CC01FC6C-CAF1-F715-DD38-E9869486FE72}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-CAF1-F715-DD38-E9869486FE72}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-CAF1-F715-DD38-E9869486FE72}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\4ff4d7217c6d2318a617dbd79f0166a8.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\4ff4d7217c6d2318a617dbd79f0166a8.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-CAF1-F715-DD38-E9869486FE72}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-CAF1-F715-DD38-E9869486FE72}\ProgID\ = "4ff4d7217c6d2318a617dbd79f0166a8.axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-CAF1-F715-DD38-E9869486FE72}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-CAF1-F715-DD38-E9869486FE72}\ = "axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-CAF1-F715-DD38-E9869486FE72}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4ff4d7217c6d2318a617dbd79f0166a8.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\4ff4d7217c6d2318a617dbd79f0166a8.axc\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2792	1636	regsvr32.exe	87
PID 1636 wrote to memory of 2792	1636	regsvr32.exe	87
PID 1636 wrote to memory of 2792	1636	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4ff4d7217c6d2318a617dbd79f0166a8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4ff4d7217c6d2318a617dbd79f0166a8.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2792

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/2792-0-0x0000000000AC0000-0x0000000000B64000-memory.dmp

Filesize
656KB

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