6cec2bf8e5bde0a9d885ca6276d5a3d77affe4225824836a762984e7ecdc8a40 | Triage

Analysis

max time kernel
157s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
04-08-2022 16:20

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General

Target

11f44531fb088d31307d87b01e8eabff/iroto1.dll
Size

434KB
MD5

8e6fbefcbac2a1967941fa692c82c3ca
SHA1

242a7803adb19f638ef62077f1b76756f3a13a0d
SHA256

e05c717b43f7e204f315eb8c298f9715791385516335acd8f20ec9e26c3e9b0b
SHA512

bc6dc64fa5bc19f234e3df27f718a50f82f6f086da2cd761d81edda4cf9355b40115279ebc368a0f55cf651405e34988336f9f5c3577ce7a7433971194a7b179

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2564 2596 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 5044 wrote to memory of 2596	5044	rundll32.exe	rundll32.exe
PID 5044 wrote to memory of 2596	5044	rundll32.exe	rundll32.exe
PID 5044 wrote to memory of 2596	5044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto1.dll,#1
2⤵
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 560
3⤵
- Program crash
PID:2564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2596 -ip 2596
1⤵
PID:3636

Network

MITRE ATT&CK Matrix

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Downloads

memory/2596-130-0x0000000000000000-mapping.dmp

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