a3c3f7a0014e41ff435db5b87ec92e60ada72a94fc401cb1ef3cf6daf71630e1 | Triage

Analysis

max time kernel
91s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 13:19

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General

Target

$PLUGINSDIR/nsisdl.dll
Size

15KB
MD5

75fdbfddcb769095e6143eb46cc77e26
SHA1

a1fed5cedbc3c3319e332ae3f5347319af1f3f18
SHA256

e2267f1a80ca42fde50e6b22f39821334a9ea622995e0869d3709b05306b1126
SHA512

3ff5485f7a3c35e55b94bd09019555945ab4fd9fe03cce1ea9c43bd2fd75b0a9502342eb36acefe16a3ebcd9efc1c1eeea2b9621d31baa27b035ce60ffa1f3d8
SSDEEP

384:bpy18oahashajPmIYInUJggBOZgAHhUKijb:bpy18oafmeggBOCAHpij

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2072	4988	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 4988	1664	rundll32.exe	85
PID 1664 wrote to memory of 4988	1664	rundll32.exe	85
PID 1664 wrote to memory of 4988	1664	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#1
  2⤵
  PID:4988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 628
    3⤵
    - Program crash
    PID:2072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4988 -ip 4988
1⤵
PID:2156

Network

MITRE ATT&CK Matrix

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