9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 06:19

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General

Target

9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.dll
Size

473KB
MD5

cfa20f5f031c1557e8f39bc6f4228e29
SHA1

a7544508e4eec13fd6675db5d68449b1be357efc
SHA256

9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4
SHA512

cae9bb5484dbe888a0a79ad55f5780a9c84258e2b8986aeecdcdede0ec9f1a0c6485dc87c73a7afb7bd50dc205d2911a6bfe0988df759ac4d50bd4c073a8fc8b
SSDEEP

12288:7mft8PTfDzdyExHtWTjI/U1a6q1mGL1lEkvj4u:Ktgf7ZtWrImI1Vvh

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\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}\	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.VagaaÍÛ¸Â»Ê±´ú	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.VagaaÍÛ¸Â»Ê±´ú\Clsid\ = "{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}\ProgID\ = "9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.VagaaÍÛ¸Â»\u00adÊ±´ú"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{113B6A70-C68C-4AFA-901D-A08AA7CA4D5C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.VagaaÍÛ¸Â»Ê±´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.VagaaÍÛ¸Â»Ê±´ú\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1204	1348	regsvr32.exe	27
PID 1348 wrote to memory of 1204	1348	regsvr32.exe	27
PID 1348 wrote to memory of 1204	1348	regsvr32.exe	27
PID 1348 wrote to memory of 1204	1348	regsvr32.exe	27
PID 1348 wrote to memory of 1204	1348	regsvr32.exe	27
PID 1348 wrote to memory of 1204	1348	regsvr32.exe	27
PID 1348 wrote to memory of 1204	1348	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9c27fc43269832aa33a15b41e4ca6d2809d5cc0bb09455c7c14725b4f00626e4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1204

Network

MITRE ATT&CK Enterprise v6

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

memory/1204-56-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1348-54-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

Filesize
8KB

Download