b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4

Analysis

max time kernel
323s
max time network
347s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 16:58

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General

Target

b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll
Size

601KB
MD5

6fb4d7e15940a45adb93698f67d6d21b
SHA1

48b39846455fd68c047a429ded84f81ffe7290c0
SHA256

b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4
SHA512

77c3a3baa78820be9c9c643fdb1715764725171e5784501d9862079bdf9adbdb4014875d4432b6192fb0acbb699f04a6e259d99c54431968d9fb54fde0cdeaaa
SSDEEP

12288:TwTloUAgRnvPLwUwtOUXjvjDJMXsnhTiXhgoO:cTO/SPcV4KvjDJAshT4

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\{18C0C293-D215-8310-9041-B32982D36A39}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9\ = "BioYhTesecCla"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9\Clsid\ = "{18C0C293-D215-8310-9041-B32982D36A39}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\ProgID\ = "b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\ = "BioYhTesecCla"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 4956	2932	regsvr32.exe	80
PID 2932 wrote to memory of 4956	2932	regsvr32.exe	80
PID 2932 wrote to memory of 4956	2932	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4956

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

Windows 7 deprecation

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