611b014d7e6d599b972852d88e055a1b83d78f94a4eb6ba0901c966b5b6cb40e | Triage

Analysis

max time kernel
1159s
max time network
1166s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-03-2024 03:07

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General

Target

$PLUGINSDIR/splash.dll
Size

4KB
MD5

1fb3af30d19bbed6c48a62786339b670
SHA1

6862cfa4448d2281f4768a6171a30bb0579df770
SHA256

20dd6d18ab68260e42c913bd0da988816ab2def4c7cb4894a1e0318924a22c48
SHA512

5329b6bdf7f634b34e755cb9c39b304dd277c1149b44e141565a17932d67f5879172f1befffa6461c908419e6cca1ca757ffc00050ab24cd837bc8c4fca40851

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2216	3980	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 3980	2620	rundll32.exe	90
PID 2620 wrote to memory of 3980	2620	rundll32.exe	90
PID 2620 wrote to memory of 3980	2620	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\splash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\splash.dll,#1
  2⤵
  PID:3980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 616
    3⤵
    - Program crash
    PID:2216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3980 -ip 3980
1⤵
PID:1436

Network

MITRE ATT&CK Matrix

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