5423468be2921c4d646335925e7390da0fd7c68200b7ce99b3c3001aaf90f43b

Analysis

max time kernel
95s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 15:14

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General

Target

user34.dll
Size

670KB
MD5

67a6d22826f701e63002785b1f9f41ed
SHA1

bfdc1c737a32c5480cb8482ec8d7d16d650ccf0c
SHA256

33ba38ba85e9fc4ee16280287a0ed7ea9d3424694ff1adf7cb7758ee8d217ee8
SHA512

a042f00ae221dec16bd360a408af2aedc801f4fba8102139198c3a2169c50e7ec5839ddef21cc5aa0f9d34558dcf929ca11aa3b40d3f32d4927c3a136a115a30
SSDEEP

12288:DWCc7IEeHBiDIT8kPzWoSyFlbHupIMNjdG3Zsmiz:qCshaB3TC6dHT0jdUsmi

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2896	1292	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 5064 wrote to memory of 1292	5064	rundll32.exe	84
PID 5064 wrote to memory of 1292	5064	rundll32.exe	84
PID 5064 wrote to memory of 1292	5064	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\user34.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\user34.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 544
    3⤵
    - Program crash
    PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1292 -ip 1292
1⤵
PID:3684

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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