d72702999c526afaf6f6341889d5a21dd02595c6108e040b8d8f75a03d4c5f5a | Triage

Analysis

max time kernel
90s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2024 17:21

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General

Target

$APPDATA/mIRC/bin/dll/SysTray.dll
Size

56KB
MD5

4efda9e772236541a12189c26801c97b
SHA1

7f0200c46a6ca3593fa3c43daac5071589e82307
SHA256

38555f20b55c3517a87e4683b6f67ce55d7bbb03b51ee9d0f9762f992f240e29
SHA512

cceb735124c695a57a7e6334f1cc96a0fe7d64f5a972745e9941281584d6db122dedcb6f1a3f3e3a17c1d0dd9818afb4c179b7f22243675b42a815df7f6de272
SSDEEP

768:UrG95RE7jTlkyGNMRZ/cH+rUahOElJwKKctXIjZ0:Ua95R6jTlASRE+rN9lNK8IjZ0

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1524	3176	WerFault.exe	67

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3176	4988	rundll32.exe	67
PID 4988 wrote to memory of 3176	4988	rundll32.exe	67
PID 4988 wrote to memory of 3176	4988	rundll32.exe	67

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\mIRC\bin\dll\SysTray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\mIRC\bin\dll\SysTray.dll,#1
  2⤵
  PID:3176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 572
    3⤵
    - Program crash
    PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3176 -ip 3176
1⤵
PID:3888

Network

MITRE ATT&CK Matrix

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