20fbbc671723ee9030019216452694084e9d970ff64b8bf4d4188f4e570542f8 | Triage

Analysis

max time kernel
130s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 12:45

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General

Target

$PLUGINSDIR/nraigbw.dll
Size

153KB
MD5

fbc2f25eece1f6307c2988c4e34d2e30
SHA1

a1bf3b628c671cbb1528122e554086e851ff8073
SHA256

01ac6332290592c8d229fb2a650c7ce6fde6a3fe40025045adafb76b718cf140
SHA512

d54f8f2bcf2183c448e336543a592f318b91cd8563a2fee436d451d82640fec1fe0927a807e505664c31b3502766cb71bc7628fa6a0b351fb271b1fa13f2909e
SSDEEP

3072:GwnZ3VTVBYqvks53WhuXniHXOJKH+oG//ssNOdQ:/Z3RlxyHxH9GOdQ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	3404	WerFault.exe	83

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 3404	3444	rundll32.exe	83
PID 3444 wrote to memory of 3404	3444	rundll32.exe	83
PID 3444 wrote to memory of 3404	3444	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nraigbw.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nraigbw.dll,#1
  2⤵
  PID:3404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 600
    3⤵
    - Program crash
    PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3404 -ip 3404
1⤵
PID:4636

Network

MITRE ATT&CK Matrix

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