f96b03987d5a39f6d1172f022a2e3bf15a31c18f5b38a5ce77c682c36dd791c9 | Triage

Analysis

max time kernel
133s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 07:02

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

b5a1f9dc73e2944a388a61411bdd8c70
SHA1

dc9b20df3f3810c2e81a0c54dea385704ba8bef7
SHA256

288100583f65a2b7acfc0c7e231c0e268c58d3067675543f627c01e82f6fd884
SHA512

b9c8d71b5da00f2aff7847b9ec3bd8a588afeb525f47a0df235b52f7b2233edb3928a2c8e0b493f287c923cc52a340ad6fee99822595d6591df0e97870de92a8
SSDEEP

96:p7GUxNkO6GR0t9GKKr1Zd8NHYVVHp4dEeY3kRnHdMqqyVgNQ3e:lXhHR0aTQN4gRHdMqJVgNH

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4288	1920	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 1920	3504	rundll32.exe	90
PID 3504 wrote to memory of 1920	3504	rundll32.exe	90
PID 3504 wrote to memory of 1920	3504	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  PID:1920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 612
    3⤵
    - Program crash
    PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1920 -ip 1920
1⤵
PID:4968

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4156,i,7869973516895866428,11647313872437892197,262144 --variations-seed-version --mojo-platform-channel-handle=4216 /prefetch:8
1⤵
PID:3996

Network

MITRE ATT&CK Matrix

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