90263f5e0ceee73af6ee6ca4dac8e6441c1f5c39607512a954e42887a5a0bb3a | Triage

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11-05-2024 10:42

Sharing

Report Analysis Logs

General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

9301577ff4d229347fe33259b43ef3b2
SHA1

5e39eb4f99920005a4b2303c8089d77f589c133d
SHA256

090c4bc8dc534e97b3877bd5115eb58b3e181495f29f231479f540bab5c01edc
SHA512

77dc7a1dedaeb1fb2ccefaba0a526b8d40ea64b9b37af53c056b9428159b67d552e5e3861cbffc2149ec646fdfe9ce94f4fdca51703f79c93e5f45c085e52c79

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1812 2864 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2180 wrote to memory of 2864	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2864	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2864	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2864	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2864	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2864	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2864	2180	rundll32.exe	rundll32.exe
PID 2864 wrote to memory of 1812	2864	rundll32.exe	WerFault.exe
PID 2864 wrote to memory of 1812	2864	rundll32.exe	WerFault.exe
PID 2864 wrote to memory of 1812	2864	rundll32.exe	WerFault.exe
PID 2864 wrote to memory of 1812	2864	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 224
3⤵
- Program crash
PID:1812

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...