e791985263b2df4b00652a69f4d6ac925dd2e7a069b9cc30ccb6fc5c813ec44b | Triage

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29-02-2024 03:10

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General

Target

$PLUGINSDIR/installhelper.dll
Size

127KB
MD5

91b0372096274dbd47395aa8b28ffedb
SHA1

05d79ba090439c2898d8ad480355c08091acee55
SHA256

0411ab18ecb0d3d6292eabb89b4c8e41112b3e0be272b087555c2cb8cb0bfc28
SHA512

c40b9eace25b6c871eee9b4186181268de7463c4fe1c4c19372413989489fa891ebd528175d15df031dc768613a81c619acce0981a4c29d475e795d18b1aff08
SSDEEP

3072:mUtMXRt2of1YH+YYSYxgH4KqlUxwdV75rFFKE8:Hyt10+YqgH4KXuVpu

Score

1^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2184	rundll32.exe
2184	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2184	2192	rundll32.exe	29
PID 2192 wrote to memory of 2184	2192	rundll32.exe	29
PID 2192 wrote to memory of 2184	2192	rundll32.exe	29
PID 2192 wrote to memory of 2184	2192	rundll32.exe	29
PID 2192 wrote to memory of 2184	2192	rundll32.exe	29
PID 2192 wrote to memory of 2184	2192	rundll32.exe	29
PID 2192 wrote to memory of 2184	2192	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\installhelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\installhelper.dll,#1
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2184

Network

MITRE ATT&CK Matrix

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