23aaef8dde1f05063f49ce146e783948fa21f6bc9e36ad9192d37026c152030d

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 03:37

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General

Target

23aaef8dde1f05063f49ce146e783948fa21f6bc9e36ad9192d37026c152030dN.dll
Size

168KB
MD5

56ae712592c07c1b44a466ec0f4c66a0
SHA1

ab1189ebb052ac413f7807d48d5ce0933e08425b
SHA256

23aaef8dde1f05063f49ce146e783948fa21f6bc9e36ad9192d37026c152030d
SHA512

48ba6b6e10ed00147dde28da88e6fa151355d74092dd0223e7355dfbe77fbb97f1bf346406ecf06e06206ca26ec4916a5fb0935dab9b105bce674d340c240dc7
SSDEEP

3072:juTdAlGzAQ+S74WZShhMHcRZE1fYZYgXokOmojbK47CY:juuIZqhecRy12bO/R

Score

6^/10

adware discovery 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\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}	regsvr32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system.ini	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\TypeLib\ = "{296AB1B8-FB22-4D17-8834"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\23aaef8dde1f05063f49ce146e783948fa21f6bc9e36ad9192d37026c152030dN.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2376	2028	regsvr32.exe	31
PID 2028 wrote to memory of 2376	2028	regsvr32.exe	31
PID 2028 wrote to memory of 2376	2028	regsvr32.exe	31
PID 2028 wrote to memory of 2376	2028	regsvr32.exe	31
PID 2028 wrote to memory of 2376	2028	regsvr32.exe	31
PID 2028 wrote to memory of 2376	2028	regsvr32.exe	31
PID 2028 wrote to memory of 2376	2028	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\23aaef8dde1f05063f49ce146e783948fa21f6bc9e36ad9192d37026c152030dN.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\23aaef8dde1f05063f49ce146e783948fa21f6bc9e36ad9192d37026c152030dN.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2376

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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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