21c3006f3a7d779db187f1236d1deb0a6a8b598d3e91014d6ea55de1f0514a61 | Triage

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 04:09

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General

Target

$PLUGINSDIR/ooi.dll
Size

122KB
MD5

2690b36fa914f15c6532dbc1a4f1158d
SHA1

8f0d38bcb9081058c8c249b12994004f5115c70e
SHA256

70f39e836f56eee07099c64d28dda45cf3176eb808f38833b732fb5b5318accb
SHA512

d2092cfc876ff2fb0686b577a6ef82dca43ec3eb91c7547103f34bbc88b3fbe93c67a864f0501aa4f07b004c0493fda6822292247623bbc30de2a6ff9ecd00c0
SSDEEP

1536:LQUDghS9/Qa9AOhgbzfJfSZimf1Drj19c9TnTBTBZGLKPHSI:T+Sy37Y3R9c9h9ZgQHSI

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1976	1948	WerFault.exe	15

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1948	2404	rundll32.exe	15
PID 2404 wrote to memory of 1948	2404	rundll32.exe	15
PID 2404 wrote to memory of 1948	2404	rundll32.exe	15
PID 2404 wrote to memory of 1948	2404	rundll32.exe	15
PID 2404 wrote to memory of 1948	2404	rundll32.exe	15
PID 2404 wrote to memory of 1948	2404	rundll32.exe	15
PID 2404 wrote to memory of 1948	2404	rundll32.exe	15
PID 1948 wrote to memory of 1976	1948	rundll32.exe	19
PID 1948 wrote to memory of 1976	1948	rundll32.exe	19
PID 1948 wrote to memory of 1976	1948	rundll32.exe	19
PID 1948 wrote to memory of 1976	1948	rundll32.exe	19

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ooi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 220
  2⤵
  - Program crash
  PID:1976

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ooi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2404

Network

MITRE ATT&CK Matrix

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