f1171cfe304538f6e99e4796f08d8889b570ddd3eb254068bdb2f68f4d6350c5

Analysis

max time kernel
92s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2024, 17:50

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General

Target

f1171cfe304538f6e99e4796f08d8889b570ddd3eb254068bdb2f68f4d6350c5.dll
Size

3.4MB
MD5

31bc6d5f8eeaeb9c2734ba3ebb10235e
SHA1

2ea24f60d44251d8ea1c939e67f7dc416de2470a
SHA256

f1171cfe304538f6e99e4796f08d8889b570ddd3eb254068bdb2f68f4d6350c5
SHA512

a1d5d449d0af6cf9efd4b7fb2f95ab0c8d8fe88fa7c04532604e093c4986b5b3cac1e8682fdb928e99ee32737eb3cc307e998c60cec004f3b851224b497010a6
SSDEEP

49152:UDp5nxg8XtxPKLFVBYns8GjLik03IhCT7cK4PNV/o:Sp5nltxPKLFVBYn3cLik0I6gNV

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	3692	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 SetWindowsHookEx 1 IoCs

pid	Process
3692	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 3692	2980	rundll32.exe	83
PID 2980 wrote to memory of 3692	2980	rundll32.exe	83
PID 2980 wrote to memory of 3692	2980	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1171cfe304538f6e99e4796f08d8889b570ddd3eb254068bdb2f68f4d6350c5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1171cfe304538f6e99e4796f08d8889b570ddd3eb254068bdb2f68f4d6350c5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 708
    3⤵
    - Program crash
    PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3692 -ip 3692
1⤵
PID:2836

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

Windows 7 deprecation

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