b8e8a98af2e41ea76445bf055b124553bddd2311d7765cfddaa0b8137ef2b48f

Analysis

max time kernel
93s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2024, 06:59

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General

Target
Register.dll
Size 1.0MB
Sample241011-hr3bdswcmn
SHA256 372b14fce2eb35b264f6d4aeef7987da56d951d3a09ef866cf55ed72763caa12
MD5 40b9628354ef4e6ef3c87934575545f4
SHA1 8fb5da182dea64c842953bf72fc573a74adaa155
SHA512 02b0ea82efbfbe2e7308f86bfbec7a5109f3fe91d42731812d2e46aebedce50aabc565d2da9d3fbcd0f46febbff49c534419d1a91e0c14d5a80f06b74888c641
SSDEEP 24576:k0Rdvjw14ZCWQuTs54Qbz27j7BS2Nv+4BT8+u60:BDZ2zAj7pXT3i
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
428	3872	WerFault.exe	84

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 3872	400	rundll32.exe	84
PID 400 wrote to memory of 3872	400	rundll32.exe	84
PID 400 wrote to memory of 3872	400	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Register.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Register.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 652
    3⤵
    - Program crash
    PID:428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3872 -ip 3872
1⤵
PID:392

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

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Downloads

memory/3872-0-0x0000000000BB0000-0x0000000000CBF000-memory.dmp

Download

memory/3872-1-0x0000000000BB0000-0x0000000000CBF000-memory.dmp