def85f034d6825634215c3093fddd28929c209a43f887de7487a65e608d145a0

Analysis

max time kernel
93s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 03:48

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General

Target

d4024f73874418a45763386190ddcd90N.dll
Size

62KB
MD5

d4024f73874418a45763386190ddcd90
SHA1

b34f7f8529636bbfebbb362119f5dca5f51983dc
SHA256

def85f034d6825634215c3093fddd28929c209a43f887de7487a65e608d145a0
SHA512

7038790d029330353859392dfa68bc80aaf36c7338850cc5565aaf06b424f941105c2e6008ffb4da456da524eb12c9b67db577392ce39724bbb6d4b880650b79
SSDEEP

1536:z20hSUNdvQwQS/wn2EwTEInuOmqdi4RO+C99ju:z/VRp//II3d5RO+u9ju

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3284	1900	WerFault.exe	85

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 3100 wrote to memory of 1900	3100	rundll32.exe	85
PID 3100 wrote to memory of 1900	3100	rundll32.exe	85
PID 3100 wrote to memory of 1900	3100	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4024f73874418a45763386190ddcd90N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4024f73874418a45763386190ddcd90N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 580
    3⤵
    - Program crash
    PID:3284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1900 -ip 1900
1⤵
PID:4180

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

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Downloads

memory/1900-0-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/1900-1-0x0000000000C20000-0x0000000000CAD000-memory.dmp

Filesize
564KB

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