Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
07-02-2024 21:59
Behavioral task
behavioral1
Sample
yeno assist.exe
Resource
win7-20231129-en
General
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Target
yeno assist.exe
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Size
13.2MB
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MD5
9bb8716c630c824e776fedf1d0d876f6
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SHA1
e57c91850425b04c38e48bd1d05846db2c0ff9b9
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SHA256
292468b8c0085a821e1546c601f41ff55505af5b5ecf09383964e8a558ac6d51
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SHA512
dd492a937b5e5391446b8220621b5be7f3b4295264e7a6c8f3caf24d3d58511244c0e52722b67e33992185963940c5c924874b6566adc9fb96546fcb7eec615a
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SSDEEP
393216:DEkMD2nwW+eGQRIMTozGxu8C0ibfz6e57Q1bmXiWCUI:DUDawW+e5R5oztZ026e5uFVUI
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2580 yeno assist.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2964 wrote to memory of 2580 2964 yeno assist.exe 28 PID 2964 wrote to memory of 2580 2964 yeno assist.exe 28 PID 2964 wrote to memory of 2580 2964 yeno assist.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\yeno assist.exe"C:\Users\Admin\AppData\Local\Temp\yeno assist.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\AppData\Local\Temp\yeno assist.exe"C:\Users\Admin\AppData\Local\Temp\yeno assist.exe"2⤵
- Loads dropped DLL
PID:2580
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2828
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
448KB
MD58351ea1c7385ad9df7a87e2519fc9cfd
SHA1c3cc67d03be86a469fe7f853fa6fd9718b3195cd
SHA256df757f0b39027f7f8fa46c4e453cd6967ee0d72f431c9bb5d05b3d6db9ab3c87
SHA512e5d97c1e89b98619f388019a28d4ed45306e40f6118d9782c39ed0dde46f9bc4b39afd2a7276317f7e1e86fe74c82bf27bf7eae71a9168f96c27a7de220bd3ae
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Filesize
547KB
MD59b3fcac12b35c444debfa50de19770b4
SHA11c3a5ea48c1ec31a314fc2252d67ef18f938ac54
SHA2564ee2bcd25db0b28922f47f4c360f73efbb0e00baf2c1c205e05cb8e4861ad418
SHA5120b1d178fb8e14fc9e23aaa9821d8506246fb9f90a06a82efaebc5b230052dab55a5b7b08a25df8f76d04cef7065938113dcf7cd5d8e296ec4c1e30a14501a58b