96db10359bb6873fa460c8c59acbb033c00814d1130da12cf655b21be994ce6e

Analysis

max time kernel
94s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 05:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/jrtnw.dll
Size

119KB
MD5

053e283c36f91d1f1537e5e156da3853
SHA1

502bd093ad89b93398d0ba046cd0f10f4be37069
SHA256

dd06f297b9966525c5b73e7bb63db9f02e3c9e7eab89c2980a292f35a7afeaf7
SHA512

27731297ce8ce34360b7aa19cfa3526453794b7475875f4312ed9289309e77e16ff48428a793359986662130c0c6dca33e174cc6c74c075666369b4b5f963513
SSDEEP

1536:L6Qe5/VlX7GSkbMFOZKY9uphgUARVGggsu00zyMAC9rupUZrXiKoyc50IDLmUleB:ALusOkY9uHUR8gurT9RrSCIXRlCiwJ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4388	4900	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 3052 wrote to memory of 4900	3052	rundll32.exe	83
PID 3052 wrote to memory of 4900	3052	rundll32.exe	83
PID 3052 wrote to memory of 4900	3052	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jrtnw.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jrtnw.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 656
    3⤵
    - Program crash
    PID:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
1⤵
PID:2056

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4900-0-0x0000000010000000-0x0000000010022000-memory.dmp

Filesize
136KB

Download
memory/4900-1-0x0000000010000000-0x0000000010022000-memory.dmp

Filesize
136KB

Download