338e8636011bf7fa57e2a403320d4cef82fc47a4eb25e301d0c61398bda2ed6c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 01:48

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General

Target

0a9ebe91127f0140f747c3f50f61dfa8.dll
Size

89KB
MD5

0a9ebe91127f0140f747c3f50f61dfa8
SHA1

40396ac8c34da0ed68879b438fd1383e9a5785b0
SHA256

338e8636011bf7fa57e2a403320d4cef82fc47a4eb25e301d0c61398bda2ed6c
SHA512

4733033a6341b4ae722e417d1aa1f70b803c03ef0309043462e31aa08b2503e8bef140ff42b5c47c729c77bba4e0f5f057d65e2560655ccd0356a070f7373bb2
SSDEEP

1536:56c2bcATlbcKNyRAOcrKoj3Hp/HcwodwHcpE/kNNGQtlSbfgT5exXvNzN:5kI0tvw21Hh8aHuE/cN9lm+5exXvNp

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\{E832065B-7297-45E1-8107-500CBA46BC9B}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E832065B-7297-45E1-8107-500CBA46BC9B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E832065B-7297-45E1-8107-500CBA46BC9B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E832065B-7297-45E1-8107-500CBA46BC9B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a9ebe91127f0140f747c3f50f61dfa8.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E832065B-7297-45E1-8107-500CBA46BC9B}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1664	1672	regsvr32.exe	28
PID 1672 wrote to memory of 1664	1672	regsvr32.exe	28
PID 1672 wrote to memory of 1664	1672	regsvr32.exe	28
PID 1672 wrote to memory of 1664	1672	regsvr32.exe	28
PID 1672 wrote to memory of 1664	1672	regsvr32.exe	28
PID 1672 wrote to memory of 1664	1672	regsvr32.exe	28
PID 1672 wrote to memory of 1664	1672	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0a9ebe91127f0140f747c3f50f61dfa8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0a9ebe91127f0140f747c3f50f61dfa8.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1664

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

Windows 7 deprecation

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