9ed0f409e7fb369f83c3aeaad4085a2146778faed15d421734aa13fe22cf7ee4

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 08:11

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General

Target

Win32/klock.dll
Size

135KB
MD5

d4849f4998f89f478e903c2cb37ae165
SHA1

bf49e7bce5fd0c3e439f297eedb5c54fe70f3e0b
SHA256

b7a841b7ce840000bc122b563b23264ea50779e2646f747e5f639de8b87d93ac
SHA512

629183a61f0b0f4cca8206048595de14d6e3b692758e07c9de53b68bc8b293f440adf11c0db94037078cfb3dd2b102f588f5e4aa8939118372da93028e426e47
SSDEEP

3072:MSd6MJMBY4FRDK7woCOSXpk9O5LYvKotEkRmAa80d4G:YMJMC4LDowk9O5syUEkgDdD

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4432	3936	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3152 wrote to memory of 3936	3152	rundll32.exe	84
PID 3152 wrote to memory of 3936	3152	rundll32.exe	84
PID 3152 wrote to memory of 3936	3152	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Win32\klock.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Win32\klock.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 604
    3⤵
    - Program crash
    PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3936 -ip 3936
1⤵
PID:2372

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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