98598c90bd75b930aba968467f4b540a5784aa28612b8010d8a9cf31992843c6 | Triage

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 19:05

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General

Target

$PLUGINSDIR/nsisdl.dll
Size

14KB
MD5

90f7c0f400fdc219ae149ede95c06cfd
SHA1

a39c3bc64c9dc68fbc44d729511b03ed4573e6aa
SHA256

5f9d4b41a10578f98e469466e55feb0141644842a4e246b2cbae6666cebd69a3
SHA512

f9e0476a4078c5435274cf2d8bf00e115e75b37ff3355388c040b1386b604090b85ef3170114d50958ec2f8bc8fab5d3b3ebda30d4c84a0e5d49138e60817272
SSDEEP

384:o1ck76gi51kE5aYOMLDC4UnDp9B0Jc5HNw2vE:Eck76gibLCMLDLCx04HNVvE

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2596 4860 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2116 wrote to memory of 4860	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 4860	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 4860	2116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#1
  2⤵
  PID:4860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 628
    3⤵
    - Program crash
    PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4860 -ip 4860
1⤵
PID:792

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 --no-appcompat-clear --mojo-platform-channel-handle=808 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:2232

Network

MITRE ATT&CK Matrix

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