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Analysis
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max time kernel
93s -
max time network
89s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
06/01/2024, 16:15
Static task
static1
Behavioral task
behavioral1
Sample
windowsProxy_2.0.9.0.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
windowsProxy_2.0.9.0.exe
Resource
win10-20231220-en
Behavioral task
behavioral3
Sample
windowsProxy_2.0.9.0.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
windowsProxy_2.0.9.0.exe
Resource
win11-20231215-en
General
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Target
windowsProxy_2.0.9.0.exe
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Size
62.4MB
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MD5
6790611f5b8913cdd10f4c284af8da08
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SHA1
93c081a1a6b3656fcb66beead69587878d392d99
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SHA256
f0729e62c4bc3633797eea6c70969503993eebfce3fb8a852a029c0ea81c43f6
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SHA512
3e7eafd3c1bfe782676e702474565d546c1e2f6cfa7feff351f915eb0d12a25050edfb07635b1bab5963afe2302ad9502595005291fe1b9e8f83c2449c51bee4
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SSDEEP
1572864:5ypH6HJ6XKAZJy9oxpwAlroxZXWjqyE1rTR9Et5nubC4:YYQK0y9oYA4XWNEWnubC4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5036 windowsProxy_2.0.9.0.tmp -
Loads dropped DLL 2 IoCs
pid Process 5036 windowsProxy_2.0.9.0.tmp 5036 windowsProxy_2.0.9.0.tmp -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\node\is-00SAH.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\fonts\is-VKJM3.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-HOLIB.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\is-VB9EQ.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\bin\is-R4R9T.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\logo\is-A9M1S.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\is-U2DNT.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-TR4F5.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-UF0G3.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\node\is-563I3.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\is-THJNG.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\is-6P69F.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\is-5F6M0.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-C7UKJ.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-8RFEH.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\vc_redist.x64.exe windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\login\is-08C8Q.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-JFT1H.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-HCEOU.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\dep\is-11U28.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-7C8E9.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-UL7R0.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-EC38J.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-KRBO0.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\naiyouwl.exe windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\bin\ccore-windows-amd64.exe windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-G6490.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\logo\is-28ARP.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\main\is-TPEF0.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-V5DA7.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-NS77D.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-EBKFI.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\protocol_handler_plugin.dll windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\is-KLDSI.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\is-PNLRF.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-QN95G.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-0EGPI.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\main\is-719VB.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-I2NJT.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-BMN0L.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-UGIT0.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-6PV3E.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-39ICL.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\main\is-5GV0H.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-418TF.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\connectivity_plus_windows_plugin.dll windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\bin\is-IDS1H.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-N7HTI.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-L6EFF.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\tray_manager_plugin.dll windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\is-IT3SN.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-O56BN.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\proxy_manager_plugin.dll windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\dep\wintun.dll windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-M75H7.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\screen_retriever_plugin.dll windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\main\is-OMI3D.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-FBHHO.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\file_selector_windows_plugin.dll windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\is-R0CEK.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\dep\is-SI700.tmp windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\packages\bruno\assets\icons\is-2DBOF.tmp windowsProxy_2.0.9.0.tmp File opened for modification C:\Program Files (x86)\winproxy2.0\window_manager_plugin.dll windowsProxy_2.0.9.0.tmp File created C:\Program Files (x86)\winproxy2.0\data\flutter_assets\assets\images\main\is-FSG7B.tmp windowsProxy_2.0.9.0.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5036 windowsProxy_2.0.9.0.tmp 5036 windowsProxy_2.0.9.0.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5036 windowsProxy_2.0.9.0.tmp -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 436 wrote to memory of 5036 436 windowsProxy_2.0.9.0.exe 39 PID 436 wrote to memory of 5036 436 windowsProxy_2.0.9.0.exe 39 PID 436 wrote to memory of 5036 436 windowsProxy_2.0.9.0.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\windowsProxy_2.0.9.0.exe"C:\Users\Admin\AppData\Local\Temp\windowsProxy_2.0.9.0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:436 -
C:\Users\Admin\AppData\Local\Temp\is-8HBF7.tmp\windowsProxy_2.0.9.0.tmp"C:\Users\Admin\AppData\Local\Temp\is-8HBF7.tmp\windowsProxy_2.0.9.0.tmp" /SL5="$701F0,64583684,1047040,C:\Users\Admin\AppData\Local\Temp\windowsProxy_2.0.9.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:5036 -
C:\Program Files (x86)\winproxy2.0\vc_redist.x64.exe"C:\Program Files (x86)\winproxy2.0\vc_redist.x64.exe"3⤵PID:2228
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C:\Windows\Temp\{5496164C-3431-41D1-98E0-2204A9D57C47}\.cr\vc_redist.x64.exe"C:\Windows\Temp\{5496164C-3431-41D1-98E0-2204A9D57C47}\.cr\vc_redist.x64.exe" -burn.clean.room="C:\Program Files (x86)\winproxy2.0\vc_redist.x64.exe" -burn.filehandle.attached=728 -burn.filehandle.self=7324⤵PID:4232
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Program Files (x86)\winproxy2.0\ppt.TXT3⤵PID:2480
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
71KB
MD557ef7050657dc0893162cfa6c91b9231
SHA1946134410cfe9f2a56faaa3c9941161d3e9296c2
SHA256778c2bc1d8b08366e9f7c8f8e4a8610bcbec3edc7b7e4deffd0e05c9157c4c25
SHA5123f63f7ce8d0d9a89bfa9000a2f8a887df89653e3d06b9064711217248aa7ac9eb4da6db48e7e5240320d81b8bb834b46aa699c2cc23160d753daae28896da0c7
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Filesize
1.4MB
MD5c228af0fba332c4c280e7b71c882bd40
SHA101fccfa65c18d029669b480c6a5bd5e2cf6df274
SHA2568b12721c27cb65a5d37e2ea20e7326718e41dafb477646d7601b730dfac23688
SHA5126d47db051507301cc973c3b1238b7b51cf0e84e709e67b6173257e9c74012bfdf1e371b2bb80d2f7bde3ddd6fffd260882e6ada286a58099fb2e88d949448323
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Filesize
381KB
MD5de6fee42d11b574527fb286a11a0c5dc
SHA15c882047c0c06edca500d0492930f7046de3d159
SHA2566cc760795f47aba493b1f54647c55904a1ae50c1319059d02ee2ffd038d3072c
SHA5124677844222281dc02f852150a77c25dd3a352c1a418ef12982647df0216ac7744fcf6ff66df4e8f39e9ce88991a6e7b78c3646999b5c7c19702e6e80c6a12c9c
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Filesize
28KB
MD5077cb4461a2767383b317eb0c50f5f13
SHA1584e64f1d162398b7f377ce55a6b5740379c4282
SHA2568287d0e287a66ee78537c8d1d98e426562b95c50f569b92cea9ce36a9fa57e64
SHA512b1fcb0265697561ef497e6a60fcee99dc5ea0cf02b4010da9f5ed93bce88bdfea6bfe823a017487b8059158464ea29636aad8e5f9dd1e8b8a1b6eaaab670e547