6946f7381bf339caa8cba4a521f7d09cf96514351e50c0a1a6ff0201a0c8a3f0

Analysis

max time kernel
93s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 14:06

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General

Target

IE32/bho32.dll
Size

33KB
MD5

7865f0fc83a0c031395a74022885adba
SHA1

b43d2fc764ef40e50c90e280d019c5e775808e5a
SHA256

c267e0746a97a5f639f4aa1db27302dd562d8de66bb7f496d09386d6e57860e3
SHA512

e618736714c865239ed7c016356f6bef44ee019067ac7477cfbda2ee74372821e9a35f27541bf546666c1203816b529c50cbeb04b678dd105360f81fca8589ce
SSDEEP

768:m3dmG/9Y8UBLK2KDcJzcKeOr54LPlGBSXQOZkdm9CLneE:mtmG/9Y8UBLK2K0eOrkPAVOZ99CLeE

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{103089DA-0F31-4A8B-843F-7D24A7FE8345}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{103089DA-0F31-4A8B-843F-7D24A7FE8345}\ = "InfoAtoms Client"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{103089DA-0F31-4A8B-843F-7D24A7FE8345}\NoExplorer = "1"	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

Processes:

regsvr32.exe

description ioc process

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

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

Modifies registry class 5 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{103089DA-0F31-4A8B-843F-7D24A7FE8345}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{103089DA-0F31-4A8B-843F-7D24A7FE8345}\ = "InfoAtoms Client"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{103089DA-0F31-4A8B-843F-7D24A7FE8345}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{103089DA-0F31-4A8B-843F-7D24A7FE8345}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IE32\\bho32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{103089DA-0F31-4A8B-843F-7D24A7FE8345}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1732 wrote to memory of 3712	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 3712	1732	regsvr32.exe	regsvr32.exe
PID 1732 wrote to memory of 3712	1732	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\IE32\bho32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\IE32\bho32.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3712

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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