1614ced6abb515a2fafbeaffa3a07ac52c3ec0da3dee6f7e6bee19c2c3cc7e1f

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/02/2024, 00:36

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General

Target
9c7f32d25d1c359f3dc1d44fa53ee71d.dll
Size 32KB
Sample240215-ax5ppscf6t
SHA256 1614ced6abb515a2fafbeaffa3a07ac52c3ec0da3dee6f7e6bee19c2c3cc7e1f
MD5 9c7f32d25d1c359f3dc1d44fa53ee71d
SHA1 a3655b19a4adee15172cfbe41d72d9c6dd360805
SHA512 29e4e26cc06535501064bbf87261823cccaf7f0ba9b4a15a0ee7b9ce7ad387af2fa924f26f28e89b2416df7915b7b18fd02cc24ac26d33540ccdf3a45421fde0
SSDEEP 384:PmHgOKUTTkLPs+pSDy+AToQRRejCeyvx1390gBM6fmVgjFAkB:PFu3ovw9DQRejCekXPpf/
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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\{8A7553E5-5146-11D5-A672-00B0D022E945}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft.1\CLSID\ = "{8A7553E5-5146-11D5-A672-00B0D022E945}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\ = "IMicrosoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft\CurVer\ = "ThunderOnce.Microsoft.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\TypeLib\ = "{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\ = "ThunderOnce Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c7f32d25d1c359f3dc1d44fa53ee71d.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft.1\ = "ThunderOnce Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\TypeLib\ = "{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\ = "ThunderOnce.Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\TypeLib\ = "{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\ProgID\ = "ThunderOnce.Microsoft.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\VersionIndependentProgID\ = "ThunderOnce.Microsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c7f32d25d1c359f3dc1d44fa53ee71d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A45CCDCA-6B6C-484F-8305-13EBA282DFE2}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft\CLSID\ = "{8A7553E5-5146-11D5-A672-00B0D022E945}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A7553E5-5146-11D5-A672-00B0D022E945}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\ = "IMicrosoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRSD.Microsoft\ = "ThunderOnce Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{01DB1520-0887-4F7A-B231-0665D0FE2B70}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 4760	4016	regsvr32.exe	83
PID 4016 wrote to memory of 4760	4016	regsvr32.exe	83
PID 4016 wrote to memory of 4760	4016	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9c7f32d25d1c359f3dc1d44fa53ee71d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9c7f32d25d1c359f3dc1d44fa53ee71d.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4760

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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