0f25cc153f48f36392da5a07a47c46877506bd03280ecdb746cf3966ed779751 | Triage

Analysis

max time kernel
24s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06-02-2023 13:38

Sharing

Report Analysis Logs

General

Target

Bin/RulesAPI.dll
Size

2.1MB
MD5

0af80bfc69d7c3451c6d3b90d7313c8e
SHA1

e54e9830f6be8f024fd8a280c71107ff501fedbd
SHA256

d427297511cc0f637801aabbbe8a5a5526d1bf67cf15296839dbfeddc10f3edc
SHA512

5e4bb27c2686b9fb3f87f3afaa72250da67d07a4f00ae58279f064d848fd127a3be0ad4919b4f56a3618984cd3f331e48d05c923220e144d974c9073528d3c5c
SSDEEP

24576:zxBDa823oFojLiY7KKDt370HDnd9BiS9IgBxOUsFsu2td9TCZNw:dhsR/tO9oSyOOkMZN

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

932 1432 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1552 wrote to memory of 1432	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 1432	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 1432	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 1432	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 1432	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 1432	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 1432	1552	rundll32.exe	rundll32.exe
PID 1432 wrote to memory of 932	1432	rundll32.exe	WerFault.exe
PID 1432 wrote to memory of 932	1432	rundll32.exe	WerFault.exe
PID 1432 wrote to memory of 932	1432	rundll32.exe	WerFault.exe
PID 1432 wrote to memory of 932	1432	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin\RulesAPI.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin\RulesAPI.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 296
3⤵
- Program crash
PID:932

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/932-57-0x0000000000000000-mapping.dmp

Download
memory/1432-54-0x0000000000000000-mapping.dmp

Download
memory/1432-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1432-56-0x0000000002250000-0x0000000002470000-memory.dmp

Filesize
2.1MB

Download