f5684bd7650410f5a6f80d9885f68521cdf814124979bfc5a39b5b30a7010188

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2024, 00:59

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General

Target
$PLUGINSDIR/KillProcDLL.dll
Size 4KB
Sample241108-bb663stqhr
SHA256 c2689ba1f66066afce85ca6457ecd36370be0fe351c58422e45efd0948655c93
MD5 99f345cf51b6c3c317d20a81acb11012
SHA1 b3d0355f527c536ea14a8ff51741c8739d66f727
SHA512 937aa75be84a74f2be3b54dc80fac02c17dad1915d924ef82ab354d2a49bc773ee6d801203c52686113783a7c7ea0e8ed8e673ba696d6d3212f7006e291ed2ef
MD5 SHA1 SHA512

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3896	4044	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4044	4980	rundll32.exe	83
PID 4980 wrote to memory of 4044	4980	rundll32.exe	83
PID 4980 wrote to memory of 4044	4980	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KillProcDLL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KillProcDLL.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 600
    3⤵
    - Program crash
    PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4044 -ip 4044
1⤵
PID:3212

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/4044-0-0x0000000010000000-0x0000000010003000-memory.dmp

Download

memory/4044-1-0x0000000010000000-0x0000000010003000-memory.dmp