7fc6667437072cad620b7a531ff8cc39ff8c231832f075a4b8db3137dc629cba

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 08:09

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General

Target

tbu03852/tbhelper.dll
Size

316KB
MD5

8285d06c80bb289d22d7c67c4df2d51c
SHA1

0aa83342fd5d23de18fb5da4c4405ddc5b13d75f
SHA256

d5df73f377bb5113a5e1c4f7872db6ec4753568a1dadf8d5d09798ac9038ad29
SHA512

8de26c47bbcf0ea1dcab869ac21eb6d13751a913903a179fbd3ad8f30f0429b15c60af53c68b2661a7adb34a310ba7d91281da34f0ddfe595c409e11c0f34775
SSDEEP

6144:Kvpv2m1KWKTRgvPrUdT4+ND9et9Q9Pmcl:Kp2mwWKqvPn2AtBM

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 43 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\ = "ToolbarURLSearchHook Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\VersionIndependentProgID\ = "URLSearchHook.ToolbarURLSearchHook"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tbu03852\\tbhelper.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\InprocServer32\ThreadingModel = "both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook.1\ = "ToolbarURLSearchHook Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\TypeLib\ = "{4509D3CC-B642-4745-B030-645B79522C6D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tbu03852\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\ = "IToolbarURLSearchHook"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\ProgID\ = "URLSearchHook.ToolbarURLSearchHook.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tbu03852\\tbhelper.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\TypeLib\ = "{4509D3CC-B642-4745-B030-645B79522C6D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook\ = "ToolbarURLSearchHook Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\TypeLib\ = "{4509D3CC-B642-4745-B030-645B79522C6D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\ = "URLSearchHook 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\ = "IToolbarURLSearchHook"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook.1\CLSID\ = "{CA3EB689-8F09-4026-AA10-B9534C691CE0}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook\CLSID\ = "{CA3EB689-8F09-4026-AA10-B9534C691CE0}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA3EB689-8F09-4026-AA10-B9534C691CE0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4897BBA6-48D9-468C-8EFA-846275D7701B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\URLSearchHook.ToolbarURLSearchHook	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4509D3CC-B642-4745-B030-645B79522C6D}\1.0\FLAGS	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2540	1448	regsvr32.exe	82
PID 1448 wrote to memory of 2540	1448	regsvr32.exe	82
PID 1448 wrote to memory of 2540	1448	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\tbu03852\tbhelper.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\tbu03852\tbhelper.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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