183c6aa694124103e3896ee7b71175f4a81d9533218617cb80d60d9307b53c90

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 19:18

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General

Target

jre/bin/client/jvm.dll
Size

3.7MB
MD5

39c302fe0781e5af6d007e55f509606a
SHA1

23690a52e8c6578de6a7980bb78aae69d0f31780
SHA256

b1fbdbb1e4c692b34d3b9f28f8188fc6105b05d311c266d59aa5e5ec531966bc
SHA512

67f91a75e16c02ca245233b820df985bd8290a2a50480dff4b2fd2695e3cf0b4534eb1bf0d357d0b14f15ce8bd13c82d2748b5edd9cc38dc9e713f5dc383ed77
SSDEEP

98304:GyXul1SNceWfkD000V3wnIACM7g6cv/GZ:Q1SgfEP0ZwnIA97dcv/GZ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3980 2324 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
3980	2324	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4784 wrote to memory of 2324	4784	rundll32.exe	rundll32.exe
PID 4784 wrote to memory of 2324	4784	rundll32.exe	rundll32.exe
PID 4784 wrote to memory of 2324	4784	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\client\jvm.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\client\jvm.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 640
    3⤵
    - Program crash
    PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2324 -ip 2324
1⤵
PID:4804

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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