918a9bfb7c74281ea0a7f2096bf298eeabf42575e20ce5076a1d034d198c3c3b

Analysis

max time kernel
95s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 10:39

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General

Target

SETUP/Support/scrrun.dll
Size

181KB
MD5

baafe7b0932d8457fc0eb73439e086da
SHA1

7dd582a022d93c0e5fc50a50c988aab70e9941aa
SHA256

966c02391779d7fb33f27214e842907ad1d098ca1c4cef97fd5376d0a237e332
SHA512

3367618a3dd6ea6b25977a56bba6813c2952d6d088dbaab3ba7afc80238377c9e1d64f25ea58bddfc5fdeaadb8e7cb2951f1b338fd61bdb28207cfcd272ff93d
SSDEEP

3072:o8oqR+i53WKZM3VMWZWK7V7cZ/guIR/Cq7AcSBOSqHG82tTjJq39mQUGbmDWRP6t:X3WtZWCVUsRYbBOSqHG7tvs39yMSFVtI

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 64 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\aspfile	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\CLASSES\VBSFILE\SCRIPTHOSTENCODE	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85131630-480C-11D2-B1F9-00C04F86C324}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\CLASSES\JSFILE\SCRIPTHOSTENCODE	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE09B103-97E0-11CF-978F-00A02463E06F}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32DA2B15-CFED-11D1-B747-00C04FC2B085}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32DA2B15-CFED-11D1-B747-00C04FC2B085}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Encoder\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85131630-480C-11D2-B1F9-00C04F86C324}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile.HostEncode	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptHostEncode	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32DA2B15-CFED-11D1-B747-00C04FC2B085}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Encoder\ = "Script Encoder Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0CF774D1-F077-11D1-B1BC-00C04F86C324}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85131631-480C-11D2-B1F9-00C04F86C324}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ScriptHostEncode	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.FileSystemObject	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.FileSystemObject	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0CF774D1-F077-11D1-B1BC-00C04F86C324}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\CLASSES\ASPFILE\SCRIPTHOSTENCODE	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{420B2830-E718-11CF-893D-00A0C9054228}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Encoder	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile.HostEncode\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ScriptHostEncode\ = "{0CF774D0-F077-11D1-B1BC-00C04F86C324}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aspfile\ScriptHostEncode	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.asa	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ScriptHostEncode	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE09B103-97E0-11CF-978F-00A02463E06F}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0CF774D0-F077-11D1-B1BC-00C04F86C324}\ProgID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\.htm	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vbs	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE09B103-97E0-11CF-978F-00A02463E06F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85131631-480C-11D2-B1F9-00C04F86C324}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE09B103-97E0-11CF-978F-00A02463E06F}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.FileSystemObject\ = "FileSystem Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32DA2B15-CFED-11D1-B747-00C04FC2B085}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85131630-480C-11D2-B1F9-00C04F86C324}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aspfile	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.js	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85131631-480C-11D2-B1F9-00C04F86C324}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{420B2830-E718-11CF-893D-00A0C9054228}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0CF774D1-F077-11D1-B1BC-00C04F86C324}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ASP.HostEncode	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\aspfile\ScriptHostEncode\ = "{0CF774D1-F077-11D1-B1BC-00C04F86C324}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptHostEncode\ = "{85131630-480C-11D2-B1F9-00C04F86C324}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\JSFile.HostEncode	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.FileSystemObject\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.asp	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JSFile	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Encoder	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile.HostEncode	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 2280	1124	regsvr32.exe	82
PID 1124 wrote to memory of 2280	1124	regsvr32.exe	82
PID 1124 wrote to memory of 2280	1124	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\SETUP\Support\scrrun.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\SETUP\Support\scrrun.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2280

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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