6966864574fd3140889db44b4b14733dbcbf1be1791c5acabe4d9eeb546fb3f4

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 13:04

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General

Target

1961ea948a0600b9481d89faa4c22f0b.dll
Size

16KB
MD5

1961ea948a0600b9481d89faa4c22f0b
SHA1

78b1bfb4d8e49cf1cfd3fdd0ceaea36523041f1b
SHA256

6966864574fd3140889db44b4b14733dbcbf1be1791c5acabe4d9eeb546fb3f4
SHA512

fbebe2c3b2b68806dfb9339c5e916ec2ea6b8361e124202cd48c5f6699114873d1852724b1d1008f72f635e1273c202214ab0c13dc1831fe15e72c344736558d
SSDEEP

384:GkyYcX4WepjtUBk8pVfU7FN4rXaZ+vhXV5zKiP3nVshF15:GmcX1eReBrPcL4rXlhXrNP3nVs

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{e9ccf15d-4c68-4b5a-9e9a-8e12e4bd39bd}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e9ccf15d-4c68-4b5a-9e9a-8e12e4bd39bd}\	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ncompat.tlb	regsvr32.exe
File created	C:\Windows\SysWOW64\ncompat.tlb	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9CCF15D-4C68-4B5A-9E9A-8E12E4BD39BD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9CCF15D-4C68-4B5A-9E9A-8E12E4BD39BD}\ = "HomepageBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9CCF15D-4C68-4B5A-9E9A-8E12E4BD39BD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9CCF15D-4C68-4B5A-9E9A-8E12E4BD39BD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1961ea948a0600b9481d89faa4c22f0b.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9CCF15D-4C68-4B5A-9E9A-8E12E4BD39BD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2960	2100	regsvr32.exe	28
PID 2100 wrote to memory of 2960	2100	regsvr32.exe	28
PID 2100 wrote to memory of 2960	2100	regsvr32.exe	28
PID 2100 wrote to memory of 2960	2100	regsvr32.exe	28
PID 2100 wrote to memory of 2960	2100	regsvr32.exe	28
PID 2100 wrote to memory of 2960	2100	regsvr32.exe	28
PID 2100 wrote to memory of 2960	2100	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1961ea948a0600b9481d89faa4c22f0b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1961ea948a0600b9481d89faa4c22f0b.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies registry class
  PID:2960

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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