b4fe539bbea71758489d3244076a841bffb14754347b01e188c51eca771f7c20

Analysis

max time kernel
137s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 16:49

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General

Target
9c2d2a5affe3003a6c674241994bdb0b.dll
Size 306KB
Sample240214-vb2fdafh61
SHA256 b4fe539bbea71758489d3244076a841bffb14754347b01e188c51eca771f7c20
MD5 9c2d2a5affe3003a6c674241994bdb0b
SHA1 bc7c2425a2d0d1fc5e3d10b77e9c265350064900
SHA512 3a98a493a0119df82c0d1879ddbdff15137c9bb107e97382284050b1f75936b23eea79a19bb142effe18e1231daabcd40b376cc5fafb2f71bda0bed971f4dc66
SSDEEP 6144:bkSk01kPA+e3StvazcPFqR53A+S4TB/vjVzh/D:bkSk01kPCCIzcP6w+S4T1vjVz9
MD5 SHA1 SHA512 SSDEEP

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\{0155b780-c84e-2a5a-27ce-e80762ea6b8f}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0155b780-c84e-2a5a-27ce-e80762ea6b8f}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0155b780-c84e-2a5a-27ce-e80762ea6b8f}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0155b780-c84e-2a5a-27ce-e80762ea6b8f}\ = "adzgalore"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0155b780-c84e-2a5a-27ce-e80762ea6b8f}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0155b780-c84e-2a5a-27ce-e80762ea6b8f}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c2d2a5affe3003a6c674241994bdb0b.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0155b780-c84e-2a5a-27ce-e80762ea6b8f}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 652	1456	regsvr32.exe	83
PID 1456 wrote to memory of 652	1456	regsvr32.exe	83
PID 1456 wrote to memory of 652	1456	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9c2d2a5affe3003a6c674241994bdb0b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9c2d2a5affe3003a6c674241994bdb0b.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:652

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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