6cec2bf8e5bde0a9d885ca6276d5a3d77affe4225824836a762984e7ecdc8a40 | Triage

Analysis

max time kernel
126s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
01-04-2022 12:06

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General

Target

11f44531fb088d31307d87b01e8eabff/iroto.dll
Size

434KB
MD5

e03bde4862d4d93ac2ceed85abf50b18
SHA1

7d7c288a8cf7d4e5f64d616da699712b82760303
SHA256

055b9e9af987aec9ba7adb0eef947f39b516a213d663cc52a71c7f0af146a946
SHA512

12e8ef09745a562567dc3d18e3be72dac09120e7756d47d23a605a82499b1ed8ff471578f0f85a35685de13c93f1ad0834a89dce5d136527f731b5e170a520f1

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4020 3316 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3020 wrote to memory of 3316	3020	rundll32.exe	rundll32.exe
PID 3020 wrote to memory of 3316	3020	rundll32.exe	rundll32.exe
PID 3020 wrote to memory of 3316	3020	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3020

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto.dll,#1
2⤵
PID:3316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 548
3⤵
- Program crash
PID:4020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3316 -ip 3316
1⤵
PID:2504

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3316-133-0x0000000000000000-mapping.dmp

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