b187478ed3f00d2157b587ff89b0241c3db74e50370bb3b5e25aac165a09891b | Triage

Analysis

max time kernel
132s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 15:21

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

8d4278d0b0af44c989ed14ea40b75e06
SHA1

072f92761b281bc20d0bc3b3486251f60e6c259f
SHA256

9c50ba10ff8009137ad005aee7bdcace042ff343b37e11cd6ca45a6186ae977e
SHA512

1a22c3aa8ea1ff980b5c7812f75a9369cfd74f2b780039e79c0c52eb00cb019bac6f860e97a7279f0c8e4c890e5dd1bca31e69d6548fc73397d4fa05c8b12542
SSDEEP

96:N7GUaYNwCLuGFctpiKFlYJ8hH4RVHpwdEeY3kRlDr6dMqqyVgNw38:xygp3FcHi0xhYMR8dMqJVgN

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4360 1832 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3912 wrote to memory of 1832	3912	rundll32.exe	rundll32.exe
PID 3912 wrote to memory of 1832	3912	rundll32.exe	rundll32.exe
PID 3912 wrote to memory of 1832	3912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
2⤵
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 612
3⤵
- Program crash
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1832 -ip 1832
1⤵
PID:3776

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=4648,i,16866810346450717340,3849854439116899380,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
1⤵
PID:2524

Network

MITRE ATT&CK Matrix

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