8c7bd2a1f8df671ec341342ca31082be1018f32f60e3ab62e6eb27869d665267

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 02:40

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General

Target

$PLUGINSDIR/YExecShell.dll
Size

2KB
MD5

e92a6284042cbb30e52cb64d3355f1e7
SHA1

c8d6ab39bb5ffaf7da78143103d5bfdaa146b91e
SHA256

ce5f87a2080c8e6ca6ec1b9d11369b1a5554e8eb5d69672fc6e04bd6bc95fc05
SHA512

32f5f2d10f13d62c501f44346879be8e116761510011daa391c3dd2e53a27f760f892b78de1ee31fb12563484fd1eca29675302ba900025d990f8cb7c3c111a8

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
668	380	WerFault.exe	83

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 1276 wrote to memory of 380	1276	rundll32.exe	83
PID 1276 wrote to memory of 380	1276	rundll32.exe	83
PID 1276 wrote to memory of 380	1276	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\YExecShell.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\YExecShell.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 600
    3⤵
    - Program crash
    PID:668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 380 -ip 380
1⤵
PID:1772

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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