f8f3812fda1d0d0d729de1e37d310a66df34b8e638dcb5da4ca2605dbb4db57e | Triage

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 05:58

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

4a2f4fe4a3ad1de56ee6bf7dd4923963
SHA1

7cc68b94448c964fd99904e5784b059aed4d5daa
SHA256

89b1e6509a1b45b32933e9d785a9c8c5b9ce7c616e1112dcf7fc3fa5ca27ebde
SHA512

4b6bbe75beafae9a29932ff5ddd3940aadfae62c157836e6cdab755955782dd5354d5eb389b4b8c16bf59f4ce7a099a0161d915c1cf2968f28e195dc8e3997ea
SSDEEP

96:z0OBtYZKtPsrqBApt1JHpb9XWk7Qe06iE6mE6YNFyVOHd0+uPHwEX:4tZKtrAJJJbP7iEHEbN8Ved0Ph

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

912 2200 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1440 wrote to memory of 2200	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 2200	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 2200	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 2200	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 2200	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 2200	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 2200	1440	rundll32.exe	rundll32.exe
PID 2200 wrote to memory of 912	2200	rundll32.exe	WerFault.exe
PID 2200 wrote to memory of 912	2200	rundll32.exe	WerFault.exe
PID 2200 wrote to memory of 912	2200	rundll32.exe	WerFault.exe
PID 2200 wrote to memory of 912	2200	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:1440

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 220
3⤵
- Program crash
PID:912

MITRE ATT&CK Matrix

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