3ce709d531cce94223043f32774dc38bf00940bc9c0826fb074085a139e7a7ad

Analysis

max time kernel
147s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:23

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General

Target

28002cb53ae703afe6614ec1a00b1a32.dll
Size

550KB
MD5

28002cb53ae703afe6614ec1a00b1a32
SHA1

e5e261338990253033d8da616652f76af793b96c
SHA256

3ce709d531cce94223043f32774dc38bf00940bc9c0826fb074085a139e7a7ad
SHA512

38835ab8d29c5fc1739d55e076598f5154b5c3c6f0095d4d8d1fca7ea7a085004603f10d5ab07fd26258fd26eadd9d4fcc95c01523e69e7e70701c726be8690a
SSDEEP

12288:1fWcjwdhgsqkopLEqpNJ4rwCzALCppFhTiJ:9ncqkopI4NpCzAWppbTi

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\{03C12478-A0D3-4291-A535-F6D16BA08D68}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\28002cb53ae703afe6614ec1a00b1a32.XunBHoSwf	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\28002cb53ae703afe6614ec1a00b1a32.XunBHoSwf\Clsid\ = "{03C12478-A0D3-4291-A535-F6D16BA08D68}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{03C12478-A0D3-4291-A535-F6D16BA08D68}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{03C12478-A0D3-4291-A535-F6D16BA08D68}\ = "ExSwfTrc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{03C12478-A0D3-4291-A535-F6D16BA08D68}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\28002cb53ae703afe6614ec1a00b1a32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{03C12478-A0D3-4291-A535-F6D16BA08D68}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\28002cb53ae703afe6614ec1a00b1a32.XunBHoSwf\ = "ExSwfTrc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\28002cb53ae703afe6614ec1a00b1a32.XunBHoSwf\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{03C12478-A0D3-4291-A535-F6D16BA08D68}\ProgID\ = "28002cb53ae703afe6614ec1a00b1a32.XunBHoSwf"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{03C12478-A0D3-4291-A535-F6D16BA08D68}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{03C12478-A0D3-4291-A535-F6D16BA08D68}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 3612	1344	regsvr32.exe	90
PID 1344 wrote to memory of 3612	1344	regsvr32.exe	90
PID 1344 wrote to memory of 3612	1344	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\28002cb53ae703afe6614ec1a00b1a32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\28002cb53ae703afe6614ec1a00b1a32.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3612

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

Windows 7 deprecation

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