bc89ef35f15c4ae4268961e8a8bc53a883afe23b3bf8e841a17499e0e9957b96

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/01/2025, 17:04

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General

Target
$_5_.dll
Size 356KB
Sample250121-vlsafstrgl
SHA256 9c365454cdb24ca83cda0667f75ab32dff1b0abf8bb5861f83ad8c73ead7b7d7
MD5 3b758b989821e5ca2b73033707430ccb
SHA1 f4563245e38e5c746f9cc0ea7b1f1a38c7113b2b
SHA512 f113ff7403b7305c6686f3d57d3c9e66262f29593c385de387d5258bcdebda323c8e4eacb79542c0db87952c6dc957754e30f16ee565404144c952fb755fc732
SSDEEP 6144:p8Z3s9FSZkn2VT7aMKGvOIYnGrR+h+7eeMTTBkkRnRazS0RTgbpJRICa:ps3ak7DfnrR+yYTTekRnR5WgNa
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware discovery 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{d8ff6a2e-91f9-87c7-22b7-0c28ff216ee9}\NoExplorer = "\"\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d8ff6a2e-91f9-87c7-22b7-0c28ff216ee9}	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 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{d8ff6a2e-91f9-87c7-22b7-0c28ff216ee9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{d8ff6a2e-91f9-87c7-22b7-0c28ff216ee9}\ = "milehighads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{d8ff6a2e-91f9-87c7-22b7-0c28ff216ee9}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{d8ff6a2e-91f9-87c7-22b7-0c28ff216ee9}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_5_.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{d8ff6a2e-91f9-87c7-22b7-0c28ff216ee9}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2592	3044	regsvr32.exe	28
PID 3044 wrote to memory of 2592	3044	regsvr32.exe	28
PID 3044 wrote to memory of 2592	3044	regsvr32.exe	28
PID 3044 wrote to memory of 2592	3044	regsvr32.exe	28
PID 3044 wrote to memory of 2592	3044	regsvr32.exe	28
PID 3044 wrote to memory of 2592	3044	regsvr32.exe	28
PID 3044 wrote to memory of 2592	3044	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$_5_.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$_5_.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2592

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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