381f4e0738912aef7cb2894834d95a5fab6f93a45fb685ab85b82ad612a25f96

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 18:01

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General

Target

$PLUGINSDIR/insthelper.dll
Size

3.0MB
MD5

e7b2b10be2c805d3fb1a3e96469e62c0
SHA1

331c4056252d6de624f3fa4e4e2d958cbab0517b
SHA256

a84e8e4f24aaae25c743ac58f2124008d0f6341983ebdec05b8914d55da7e345
SHA512

43dd1f8d4c18a7fb1c9f344db8363b10874281790c334063d6d913d4e837709a9455931df105eea04f1617ad01bb767de4a3d480e1dda2fa9042d790edbe0f17
SSDEEP

49152:W9yY8YUkjeHoBgUGOJFAA8aNbaNPT5+yxSB8MS0T3CmPWspplx9y3927:WMY8YfImGKFHXN+t+yxSB8Mjy3

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
664	1368	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 2012 wrote to memory of 1368	2012	rundll32.exe	84
PID 2012 wrote to memory of 1368	2012	rundll32.exe	84
PID 2012 wrote to memory of 1368	2012	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\insthelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\insthelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 676
    3⤵
    - Program crash
    PID:664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1368 -ip 1368
1⤵
PID:4480

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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