b76730b39b05e14a80a48c8e4e008df21e59950b9cb47592fb3b1e88c25e746a | Triage

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240220-en
resource tags

arch:x64arch:x86image:win10v2004-20240220-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2024, 15:09

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

b38561661a7164e3bbb04edc3718fe89
SHA1

f13c873c8db121ba21244b1e9a457204360d543f
SHA256

c2c88e4a32c734b0cb4ae507c1a9a1b417a2375079111fb1b35fab23aedd41d9
SHA512

fedcaac20722de3519382011ccf22314af3edcd11b69f814db14710966853b69b9b5fc98383edcdb64d050ff825264eaba27b1c5adfe61d1fc9d77f13a052ced
SSDEEP

96:f7GUxNkO6GR0t9GKKr1Zd8NHYVVHp4dEeY3kRnHdMqqyVgNPS3e:zXhHR0aTQN4gRHdMqJVgNPR

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
692	4848	WerFault.exe	83

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 4848	2956	rundll32.exe	83
PID 2956 wrote to memory of 4848	2956	rundll32.exe	83
PID 2956 wrote to memory of 4848	2956	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  PID:4848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 620
    3⤵
    - Program crash
    PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4848 -ip 4848
1⤵
PID:2992

Network

MITRE ATT&CK Matrix

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