31e8dda13e7a2e04829a653f8d30ddea96763b4045c6f9123160539cbf7b1e14 | Triage

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
02-06-2024 11:34

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General

Target

$PLUGINSDIR/nsProcess.dll
Size

4KB
MD5

88d3e48d1c1a051c702d47046ade7b4c
SHA1

8fc805a8b7900b6ba895d1b809a9f3ad4c730d23
SHA256

51da07da18a5486b11e0d51ebff77a3f2fcbb4d66b5665d212cc6bda480c4257
SHA512

83299dd948b40b4e2c226256d018716dbacfa739d8e882131c7f4c028c0913bc4ed9d770deb252931f3d4890f8f385bd43dcf2a5bfe5b922ec35f4b3144247a7

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2216 3012 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 2216	3012	rundll32.exe	WerFault.exe
PID 3012 wrote to memory of 2216	3012	rundll32.exe	WerFault.exe
PID 3012 wrote to memory of 2216	3012	rundll32.exe	WerFault.exe
PID 3012 wrote to memory of 2216	3012	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 224
3⤵
- Program crash
PID:2216

MITRE ATT&CK Matrix

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