e791985263b2df4b00652a69f4d6ac925dd2e7a069b9cc30ccb6fc5c813ec44b | Triage

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 03:10

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

907db8118c510976d58a75dd9cf7d0e3
SHA1

90446f992946000038807d2966fd71e30e61b1c8
SHA256

d166786a2091215ab6360853bc591e7045dd9bc697f45f0b19332b8d629af32e
SHA512

f2afc42f03d95ef68c113cb13b47f3b027e5cf8ce7b492a4c15867d72bcd81122d2c70786c52146ac65d5b9e137ed15324b7515f089be3b3efc6711dc0c6e146
SSDEEP

96:xbX1XJX7MVnIPDmdpClMdqXHFI3eg1XGtXGlriUTMaVXmj8L4:dx1IVnIadpClyqVIRXQXwriUTMaVXA

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3016	1588	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 1588	4832	rundll32.exe	86
PID 4832 wrote to memory of 1588	4832	rundll32.exe	86
PID 4832 wrote to memory of 1588	4832	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  PID:1588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 644
    3⤵
    - Program crash
    PID:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1588 -ip 1588
1⤵
PID:1132

Network

MITRE ATT&CK Matrix

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