Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2023 11:11
Static task
static1
Behavioral task
behavioral1
Sample
6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe
Resource
win10v2004-20230703-en
General
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Target
6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe
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Size
5.8MB
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MD5
fc58c304dc6df3e9df194e0048dc3cc6
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SHA1
b35a41e940ffcc68ab03d60c7398bfeb781bf0f4
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SHA256
6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00
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SHA512
801175fed116707a42f2fa0f737731f6bf247bbede8459698752e8b464644b39ee4eaddfaf4cead56e5766d548ae691fc23653b8a5d85cfb39228186567667d7
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SSDEEP
98304:AqVQ4tml/iUm4XHb8vFtYkQWrSz9rAmLJHORm6UJamI3LeojzZARZpkAdcc6IjWF:/J+jX7oDhrSpru+W3KMZkvdagNXhJs0I
Malware Config
Signatures
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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Chinese Botnet payload 2 IoCs
resource yara_rule behavioral2/memory/4120-13214-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet behavioral2/memory/4120-13217-0x0000000000400000-0x000000000051F000-memory.dmp unk_chinese_botnet -
Executes dropped EXE 1 IoCs
pid Process 4120 GameLoadep.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Terms.exe = "C:\\Windows\\GameLoadep.exe" GameLoadep.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
pid Process 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe 4120 GameLoadep.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\GameLoadep.exe 6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4120 GameLoadep.exe 4120 GameLoadep.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3696 6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3696 6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe 3696 6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3696 wrote to memory of 4120 3696 6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe 83 PID 3696 wrote to memory of 4120 3696 6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe 83 PID 3696 wrote to memory of 4120 3696 6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe"C:\Users\Admin\AppData\Local\Temp\6f3c5beb8ae5c15c8b2931ea2c2e1223dce24b109352118112faefef681a7b00.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\GameLoadep.exeC:\Windows\GameLoadep.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4120
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
864KB
MD5645a7e5dc4adc68141447b01cb9cec49
SHA12f83beeb3031aa238c8eba4ae04398ff38274780
SHA25676931bce0663f68f95a46414d389042181c690749eed44cb09aae325a0b9ef17
SHA512fdf56fcacc1b43c94bd2811ad3926706f7382fc1d3e20c58b050cf254019c3b6226d0ffa8d4ba6aec259d3a99cb63d06d02156dd6dabab59b91418ba462885de
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Filesize
864KB
MD5645a7e5dc4adc68141447b01cb9cec49
SHA12f83beeb3031aa238c8eba4ae04398ff38274780
SHA25676931bce0663f68f95a46414d389042181c690749eed44cb09aae325a0b9ef17
SHA512fdf56fcacc1b43c94bd2811ad3926706f7382fc1d3e20c58b050cf254019c3b6226d0ffa8d4ba6aec259d3a99cb63d06d02156dd6dabab59b91418ba462885de