126e5553fc40e4ecd36dbbedfbb39cced9b956b224122fe9df25f5d86081628f | Triage

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:42

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

1128ee61dffa0a97d30b2f828235b289
SHA1

b552f3d4f13894f2f30fb446893093ca78fe149c
SHA256

1e33decac84bdd2b3a651c969258f8e6c90616e9ec35de6ab4f402709555ce4c
SHA512

d470356be436997fc53c17b8546cc80b187538ad2f258788761b92c28d91ef733fe6d8b3b33c353d84d1e0ae089207efd1ebfde33a6d33d5a341960e7bcfc8f5
SSDEEP

96:E7fhZwXd8KgEbAa9PweF1WxD8ZLMJGgmkN738:5N8KgWAuLWxD8ZAGgmkN

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2484 3036 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3000 wrote to memory of 3036	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 3036	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 3036	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 3036	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 3036	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 3036	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 3036	3000	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 2484	3036	rundll32.exe	WerFault.exe
PID 3036 wrote to memory of 2484	3036	rundll32.exe	WerFault.exe
PID 3036 wrote to memory of 2484	3036	rundll32.exe	WerFault.exe
PID 3036 wrote to memory of 2484	3036	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 228
3⤵
- Program crash
PID:2484

MITRE ATT&CK Matrix

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