4fc409dceaf3c0afcca46c89944275b7ddd4005e040242085694055cfceb5a99

Analysis

max time kernel
95s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 16:36

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General

Target

$PLUGINSDIR/nsExec.dll
Size

8KB
MD5

249ae678f0dac4c625c6de6aca53823a
SHA1

6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201
SHA256

7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce
SHA512

66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7
SSDEEP

192:r/QeHNWSvUTfWdXw08LYKFaynLb3MRlbOVlR:7jBvwudT8LJxnnMRlyVlR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
564	4516	WerFault.exe	81

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 3604 wrote to memory of 4516	3604	rundll32.exe	81
PID 3604 wrote to memory of 4516	3604	rundll32.exe	81
PID 3604 wrote to memory of 4516	3604	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 612
    3⤵
    - Program crash
    PID:564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4516 -ip 4516
1⤵
PID:1088

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/4516-0-0x000000006E940000-0x000000006E948000-memory.dmp

Filesize
32KB

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