ac7b549a507448dc506c5f75146c23ee3530421d1bbd55d1f2b1def759896d53

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 16:33

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General

Target

$PLUGINSDIR/KillProcDLL.dll
Size

4KB
MD5

99f345cf51b6c3c317d20a81acb11012
SHA1

b3d0355f527c536ea14a8ff51741c8739d66f727
SHA256

c2689ba1f66066afce85ca6457ecd36370be0fe351c58422e45efd0948655c93
SHA512

937aa75be84a74f2be3b54dc80fac02c17dad1915d924ef82ab354d2a49bc773ee6d801203c52686113783a7c7ea0e8ed8e673ba696d6d3212f7006e291ed2ef

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	2104	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 2104 wrote to memory of 2128	2104	rundll32.exe	31
PID 2104 wrote to memory of 2128	2104	rundll32.exe	31
PID 2104 wrote to memory of 2128	2104	rundll32.exe	31
PID 2104 wrote to memory of 2128	2104	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KillProcDLL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KillProcDLL.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 224
    3⤵
    - Program crash
    PID:2128

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/2104-0-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download
memory/2104-2-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download
memory/2104-1-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download
memory/2104-3-0x0000000010001000-0x0000000010002000-memory.dmp

Filesize
4KB

Download
memory/2104-4-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download