ef911d4f6162d25b42b36bd71b99dd256565a68410c707ee29c40a01f3797036

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 00:12

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General

Target

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

40KB
MD5

b59ec4aa8cc4eeb16e5567c085d5d677
SHA1

7c2442b35816e0517648a390f106910ae960f7bf
SHA256

1bf2270bfa6bafe29329f9d84c5f8856b57c84af6f3ed05027cebc4f767d07ef
SHA512

719d127a378fb16772c5a6c4b6ea6225a27ad4cd2a0d84e237faaa7a1a4e63cdd869ad2cf04b57268e393f709adea2a8aa83c6a640111d93fd2071ebdac7a470
SSDEEP

768:MzE7orC6TyNqZ7t7Ahh5E4C6FHYm6d985dgn49kjkGnUOhBpEdpb:tkTym7t7Ahh93+dqgbjXUOhBpeb

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 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6CFC41FD-50BA-43d2-9ACD-6A2A874D2853}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6CFC41FD-50BA-43d2-9ACD-6A2A874D2853}\ = "VSD ActiveSync Bootstrap"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6CFC41FD-50BA-43d2-9ACD-6A2A874D2853}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6CFC41FD-50BA-43d2-9ACD-6A2A874D2853}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\mode\\Thumbs.db\\intern\\ActiveSyncBootstrap.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6CFC41FD-50BA-43d2-9ACD-6A2A874D2853}\InprocServer32\ThreadingModel = "Free"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 3728	2752	regsvr32.exe	83
PID 2752 wrote to memory of 3728	2752	regsvr32.exe	83
PID 2752 wrote to memory of 3728	2752	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$TEMP\mode\Thumbs.db\intern\ActiveSyncBootstrap.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$TEMP\mode\Thumbs.db\intern\ActiveSyncBootstrap.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3728

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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