37d122bfcba29722a0a335c8a5df976170f37f0ef64da11c5d9160cb4ce0df84

Analysis

max time kernel
144s
max time network
153s
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 01:33

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General

Target

20c2209cdc51d9cdf854df4199b76559.dll
Size

147KB
MD5

20c2209cdc51d9cdf854df4199b76559
SHA1

c5e950427913c897e71288aea9cdec67641f7947
SHA256

37d122bfcba29722a0a335c8a5df976170f37f0ef64da11c5d9160cb4ce0df84
SHA512

9b04b49e6ad2a1792928b26f3ed9ab63068c9b0752504694214ce1857a70c7329f89609e45c9c5348232760a1dd9f07d07df08270ee8673243701c67edaffe76
SSDEEP

1536:20qReVC/6PBpOQns6FCaScxVZFei/4fCUun8yOCabCnO07qU8SM+e5ML+bdIAKWh:DIuZ86FbpPZH/4f4sCnna8eRdto9CW9i

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\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ = "ITttPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\ProgID\ = "BHO.TttPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\20c2209cdc51d9cdf854df4199b76559.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\ = "CTttPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\ = "CTttPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID\ = "{EBF93111-7A1D-4843-A998-0AFE8FE5F325}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID\ = "{EBF93111-7A1D-4843-A998-0AFE8FE5F325}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\VersionIndependentProgID\ = "BHO.TttPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\TypeLib\ = "{92379EF0-EBF8-43AA-B33D-D05008038B36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\ = "{92379EF0-EBF8-43AA-B33D-D05008038B36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ = "ITttPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\ = "{92379EF0-EBF8-43AA-B33D-D05008038B36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\ = "CTttPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer\ = "BHO.TttPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\20c2209cdc51d9cdf854df4199b76559.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 860	4932	regsvr32.exe	88
PID 4932 wrote to memory of 860	4932	regsvr32.exe	88
PID 4932 wrote to memory of 860	4932	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\20c2209cdc51d9cdf854df4199b76559.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\20c2209cdc51d9cdf854df4199b76559.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:860

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

memory/860-0-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/860-1-0x0000000000F40000-0x0000000000F42000-memory.dmp

Filesize
8KB

Download