0ba3015e77c9848439ee1fb22bdaba27caa73a624d3cc5286adad08c923dea3f | Triage

Analysis

max time kernel
93s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 07:38

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

05bf02da51e717f79f6b5cbea7bc0710
SHA1

07471a64ef4dba9dc19ce68ae6cce683af7df86d
SHA256

ca092ba7f275b0c9000098cdd1a9876fe8dc050fcb40a0e8a1ab8335236e9dc5
SHA512

c09e475babd5eb675cdf903b2b754b8b68450a731cb520f3dcbf9abe0ed03d19256f009429977d3a51decb3a2a938be0b28dbafeb407409fa85e54da6dbaaad6
SSDEEP

384:ESC43tPegZ3eBaRwCPOYY7nNYXCv/Yosa:EbTgZ3eBTCmrnNAx

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4384 2508 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3648 wrote to memory of 2508	3648	rundll32.exe	rundll32.exe
PID 3648 wrote to memory of 2508	3648	rundll32.exe	rundll32.exe
PID 3648 wrote to memory of 2508	3648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
2⤵
PID:2508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 636
3⤵
- Program crash
PID:4384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2508 -ip 2508
1⤵
PID:4528

Network

MITRE ATT&CK Matrix

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