a1cef6f9174df592068bbc882c4d327b9be8aaa4ed57f8b456fed0ce840a8b56

Analysis

max time kernel
4s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 10:30

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General

Target

a1cef6f9174df592068bbc882c4d327b9be8aaa4ed57f8b456fed0ce840a8b56.dll
Size

107KB
MD5

8c6f6dec6a3231119fc5a5e665f1b590
SHA1

d6524c6caa03bc802e4285f39066a0cd02858a18
SHA256

a1cef6f9174df592068bbc882c4d327b9be8aaa4ed57f8b456fed0ce840a8b56
SHA512

1a67f76330691b4e81e744dd462b12b76a86079de31ab11dba4804ee109b4634b3ebf49be20358da133e0f451a9c58c7500c3ee0ac4ee477dc56d73e47504676
SSDEEP

3072:ymYhY1Rut9zvQD54Cwx0N6lBYNa0ncXrC7ovJ:ghiROzva0xWa+7iJ

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\{63035881-A749-4139-9CAB-82DCFFA7F106}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{63035881-A749-4139-9CAB-82DCFFA7F106}\	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ProgID\ = "BHO.TttPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a1cef6f9174df592068bbc882c4d327b9be8aaa4ed57f8b456fed0ce840a8b56.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ = "ITttPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ = "ITttPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\VersionIndependentProgID\ = "BHO.TttPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ = "CTttPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID\ = "{63035881-A749-4139-9CAB-82DCFFA7F106}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\ = "CTttPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer\ = "BHO.TttPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID\ = "{63035881-A749-4139-9CAB-82DCFFA7F106}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a1cef6f9174df592068bbc882c4d327b9be8aaa4ed57f8b456fed0ce840a8b56.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\ = "CTttPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1356	2028	regsvr32.exe	28
PID 2028 wrote to memory of 1356	2028	regsvr32.exe	28
PID 2028 wrote to memory of 1356	2028	regsvr32.exe	28
PID 2028 wrote to memory of 1356	2028	regsvr32.exe	28
PID 2028 wrote to memory of 1356	2028	regsvr32.exe	28
PID 2028 wrote to memory of 1356	2028	regsvr32.exe	28
PID 2028 wrote to memory of 1356	2028	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a1cef6f9174df592068bbc882c4d327b9be8aaa4ed57f8b456fed0ce840a8b56.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a1cef6f9174df592068bbc882c4d327b9be8aaa4ed57f8b456fed0ce840a8b56.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1356

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/1356-56-0x0000000076AE1000-0x0000000076AE3000-memory.dmp

Filesize
8KB

Download
memory/2028-54-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp

Filesize
8KB

Download