e05c717b43f7e204f315eb8c298f9715791385516335acd8f20ec9e26c3e9b0b | Triage

Analysis

max time kernel
10s
max time network
13s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2023, 08:34

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General

Target

iroto1.dll
Size

434KB
MD5

8e6fbefcbac2a1967941fa692c82c3ca
SHA1

242a7803adb19f638ef62077f1b76756f3a13a0d
SHA256

e05c717b43f7e204f315eb8c298f9715791385516335acd8f20ec9e26c3e9b0b
SHA512

bc6dc64fa5bc19f234e3df27f718a50f82f6f086da2cd761d81edda4cf9355b40115279ebc368a0f55cf651405e34988336f9f5c3577ce7a7433971194a7b179
SSDEEP

12:e9GSG2CTi/FfILQAu//6lgR0FWdzQ2VCARHUwOLe7EEe:e9GSnCTi9ALsQiQ296LG

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	4020	WerFault.exe	81

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4020	4772	rundll32.exe	81
PID 4772 wrote to memory of 4020	4772	rundll32.exe	81
PID 4772 wrote to memory of 4020	4772	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\iroto1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\iroto1.dll,#1
  2⤵
  PID:4020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 548
    3⤵
    - Program crash
    PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4020 -ip 4020
1⤵
PID:4248

Network

MITRE ATT&CK Matrix

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