6c21b0fb2c6bbb62b6a7de80eece5851beceb564497ed090e828ee0e394a13c6 | Triage

Analysis

max time kernel
145s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 08:21

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

40909a97db3a51fc83aaeff503128b3f
SHA1

9693d68a1fb11db70f61b8277e1195dd298abbab
SHA256

f2633b3604a80a7b1be67858fb43288fd7b686730bad158f347dfa38c6df59d9
SHA512

cd1425e28302dfeced644fa155a09549aae25b96f5f6a7688624135a69be7abee8e6eaac89194dc6ec89281c45e00451fae43db5953360ee9a47dc0d11d07c77
SSDEEP

96:+Vyk3+0P+gcVUzWKw1lq4xNmuUUOnyX3z9zJ5cVK23EHC:+40P+gcVUzWlyuUStJ5cVKXHC

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3872 4088 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3748 wrote to memory of 4088	3748	rundll32.exe	rundll32.exe
PID 3748 wrote to memory of 4088	3748	rundll32.exe	rundll32.exe
PID 3748 wrote to memory of 4088	3748	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:3748

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
2⤵
PID:4088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 616
3⤵
- Program crash
PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4088 -ip 4088
1⤵
PID:4724

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 --field-trial-handle=4216,i,7343566111344912903,8618626735805026283,262144 --variations-seed-version --mojo-platform-channel-handle=4056 /prefetch:8
1⤵
PID:2380

Network

MITRE ATT&CK Matrix

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