ef911d4f6162d25b42b36bd71b99dd256565a68410c707ee29c40a01f3797036

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 00:12

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General

Target

$TEMP/mode/Thumbs.db/intern/Vsa7Director.dll
Size

37KB
MD5

6db03aa5dfe458e7a4e21d9688d3dcd6
SHA1

256e539c011697a8983c8a609e21cdedd4d59ecc
SHA256

fcba2ff7bce5ba6c0a5188cfde82009c7acd6b14cb14ce390ab5a49773a425b4
SHA512

0a5e16a993b3c2afcc8326607046ca509d2ac63682f99a149cd539e474ed6062f54b5c6b02bb8272c271ca0bccb48c08b75d18cb4ec5350d99ec885e25de8ecd
SSDEEP

768:r5Eiu+UuJwO3YkHr05FLsHNqW/hks6qrJ/Ejv7Mbk6huUc9zhX:fuDuyO3YiIAHNqW/ms6qrJEv7Mbk5UcP

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\Version\ = "8.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\ = "Microsoft Visual Studio for Application Design Time Engine Director"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\DefaultIcon	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\mode\\Thumbs.db\\intern\\Vsa7Director.dll,1200"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3BB77526-8BE8-4990-8B16-5B44CF2C581F}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\mode\\Thumbs.db\\intern\\Vsa7Director.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2976	2964	regsvr32.exe	30
PID 2964 wrote to memory of 2976	2964	regsvr32.exe	30
PID 2964 wrote to memory of 2976	2964	regsvr32.exe	30
PID 2964 wrote to memory of 2976	2964	regsvr32.exe	30
PID 2964 wrote to memory of 2976	2964	regsvr32.exe	30
PID 2964 wrote to memory of 2976	2964	regsvr32.exe	30
PID 2964 wrote to memory of 2976	2964	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$TEMP\mode\Thumbs.db\intern\Vsa7Director.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$TEMP\mode\Thumbs.db\intern\Vsa7Director.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2976

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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