e5234ebe00c1d74d02803e719f2206d22a29cdc7b609b616b3bdcff6d79103e3

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 03:25

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General

Target

02eb415009acd69abdbd0a75fb7cfdd7.dll
Size

292KB
MD5

02eb415009acd69abdbd0a75fb7cfdd7
SHA1

4e85ff6b6da816d8075e13992971bf47248dd48e
SHA256

e5234ebe00c1d74d02803e719f2206d22a29cdc7b609b616b3bdcff6d79103e3
SHA512

a30493cbae06c826516aacdc23bbc1b73465b7ffc34a3a350845d216bd84c4bc705b0a70f8348759b20756457f5302f6b1bca96616ea5a5664ecb2a5c2d31e3b
SSDEEP

6144:05MYeupkALy04pOxL64rv0WF1bpU4WzWTy9pd:0S/u+ALv4gI4DXWz3pd

Score

7^/10

adware stealer

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
864	regsvr32.exe
864	regsvr32.exe

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\{2ED2390A-E6F6-F895-FE75-013E2D97184A}	regsvr32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\AdvBHO.dll	regsvr32.exe
File created	C:\Program Files (x86)\Common Files\AdvBHO.dll	regsvr32.exe

Modifies registry class 58 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\AdvBHO.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\CLSID\ = "{ABF94C77-38BF-0744-BC6B-11809F22D88D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ProgID\ = "AdvBHO.AdvBHO.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\AdvBHO.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\CurVer\ = "AdvBHO.AdvBHO.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\VersionIndependentProgID\ = "AdvBHO.AdvBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\TypeLib\ = "{E2ED56EA-3BC9-1AC8-421B-7984BC371B35}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\VersionIndependentProgID\ = "AdvMimeFilter.AdvMimeFilter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1\CLSID\ = "{2ED2390A-E6F6-F895-FE75-013E2D97184A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\CurVer\ = "AdvMimeFilter.AdvMimeFilter.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1\CLSID\ = "{ABF94C77-38BF-0744-BC6B-11809F22D88D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\TypeLib\ = "{E2ED56EA-3BC9-1AC8-421B-7984BC371B35}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\CLSID\ = "{2ED2390A-E6F6-F895-FE75-013E2D97184A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ProgID\ = "AdvMimeFilter.AdvMimeFilter.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1\ = "AdvBHO"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 864	4756	regsvr32.exe	16
PID 4756 wrote to memory of 864	4756	regsvr32.exe	16
PID 4756 wrote to memory of 864	4756	regsvr32.exe	16

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\02eb415009acd69abdbd0a75fb7cfdd7.dll
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies registry class
PID:864

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\02eb415009acd69abdbd0a75fb7cfdd7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4756

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

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\AdvBHO.dll

Filesize
292KB

MD5
02eb415009acd69abdbd0a75fb7cfdd7

SHA1
4e85ff6b6da816d8075e13992971bf47248dd48e

SHA256
e5234ebe00c1d74d02803e719f2206d22a29cdc7b609b616b3bdcff6d79103e3

SHA512
a30493cbae06c826516aacdc23bbc1b73465b7ffc34a3a350845d216bd84c4bc705b0a70f8348759b20756457f5302f6b1bca96616ea5a5664ecb2a5c2d31e3b

Download Submit
memory/864-4-0x0000000002B50000-0x0000000002B9E000-memory.dmp

Filesize
312KB

Download