df55bbc1dea83da1b6565a3160e1241e8a87efb94bc8b11c71684ce8b7653bf3

Analysis

max time kernel
143s
max time network
151s
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, 22:31

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General

Target
9ebd333253645b60145fe62568a83e4d.dll
Size 555KB
Sample240215-2fdcnsad3w
SHA256 df55bbc1dea83da1b6565a3160e1241e8a87efb94bc8b11c71684ce8b7653bf3
MD5 9ebd333253645b60145fe62568a83e4d
SHA1 19e393300391bcfc2b8d7040498ae7210b131747
SHA512 2676f55a7f47edec3e99dbd084ac57b893753b4f1d091dba25e752716d79b8a8fb7151209806c1b796ab426297b315a13b8f55e91762dc7be98c629633770c43
SSDEEP 12288:9frQ6qGZAcUGS3C87SZtouI96o4E4yvUK7/23hTvM6:l0LrcU3C8eZtouNoN4Kx2RTvM
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\{D58BC268-9135-45EB-A810-C390F05DC5CD}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D58BC268-9135-45EB-A810-C390F05DC5CD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D58BC268-9135-45EB-A810-C390F05DC5CD}\ProgID\ = "9ebd333253645b60145fe62568a83e4d.RaevbXenBho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D58BC268-9135-45EB-A810-C390F05DC5CD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D58BC268-9135-45EB-A810-C390F05DC5CD}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9ebd333253645b60145fe62568a83e4d.RaevbXenBho	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9ebd333253645b60145fe62568a83e4d.RaevbXenBho\ = "BatXunBae"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9ebd333253645b60145fe62568a83e4d.RaevbXenBho\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9ebd333253645b60145fe62568a83e4d.RaevbXenBho\Clsid\ = "{D58BC268-9135-45EB-A810-C390F05DC5CD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D58BC268-9135-45EB-A810-C390F05DC5CD}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D58BC268-9135-45EB-A810-C390F05DC5CD}\ = "BatXunBae"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D58BC268-9135-45EB-A810-C390F05DC5CD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9ebd333253645b60145fe62568a83e4d.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2604	2928	regsvr32.exe	84
PID 2928 wrote to memory of 2604	2928	regsvr32.exe	84
PID 2928 wrote to memory of 2604	2928	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9ebd333253645b60145fe62568a83e4d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9ebd333253645b60145fe62568a83e4d.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2604

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

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Downloads

memory/2604-0-0x0000000000C20000-0x0000000000CB0000-memory.dmp

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