03d6fa79b7d5bbe9e643da58bb6319f2f2532c7ae616d79d1701ad0e5dc232f8

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 04:24

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General

Target

$PLUGINSDIR/sydrnwxz.dll
Size

138KB
MD5

f50d919a09c776df2c4fa63e3dcd4526
SHA1

917c24b146a6a17ec1cfaebde50199256b4126da
SHA256

f2635ca10d2ad2503eefbbfd4673e9c8ad66f363d0117fc4fbd79554ca482f20
SHA512

5b578e7197b7b584185ea83b91938d4b9f152703c6039f98c096423cf94111e2f7146789dea548a2f317d1abf623356d36b4e047ff1d37835572b84020c89bf2
SSDEEP

1536:ZacgjVPeGl4bEnfuObM4rzzeZ0oBdpXeIfVMwrc3sYcobUfs55dSKoyrxNURR:gN5a4SYintBZkrFxyR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	2708	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2708	2676	rundll32.exe	31
PID 2676 wrote to memory of 2708	2676	rundll32.exe	31
PID 2676 wrote to memory of 2708	2676	rundll32.exe	31
PID 2676 wrote to memory of 2708	2676	rundll32.exe	31
PID 2676 wrote to memory of 2708	2676	rundll32.exe	31
PID 2676 wrote to memory of 2708	2676	rundll32.exe	31
PID 2676 wrote to memory of 2708	2676	rundll32.exe	31
PID 2708 wrote to memory of 2716	2708	rundll32.exe	32
PID 2708 wrote to memory of 2716	2708	rundll32.exe	32
PID 2708 wrote to memory of 2716	2708	rundll32.exe	32
PID 2708 wrote to memory of 2716	2708	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sydrnwxz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sydrnwxz.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 252
    3⤵
    - Program crash
    PID:2716

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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