Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
10-08-2023 11:48
Static task
static1
Behavioral task
behavioral1
Sample
b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe
Resource
win10v2004-20230703-en
General
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Target
b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe
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Size
5.8MB
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MD5
249e7b521729ca90b3c9d7e54a9e58f7
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SHA1
54cf057f14d7950210c22ab8ebef444291b1cf2c
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SHA256
b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4
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SHA512
8f6d2b672560074ce03cc6e5d856205e45c2d64274e4fad26d42ba354637d754a99a4714fde655b8430ec1aad442b5d34401342d6e432502f7a3f26cb0980244
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SSDEEP
98304:AqVQ4tml/iUm4XHb8vFtYkQNrSz9rAmLJHORm6UJamI3LeojzZARZpkAdcc6IjWF:/J+jX7oDSrSpru+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 1 IoCs
resource yara_rule behavioral1/memory/1408-10104-0x0000000000400000-0x000000000051F000-memory.dmp unk_chinese_botnet -
Executes dropped EXE 2 IoCs
pid Process 1408 GameLoadep.exe 2952 Terms.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
pid Process 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe 1408 GameLoadep.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Terms.exe GameLoadep.exe File opened for modification C:\Program Files (x86)\Terms.exe GameLoadep.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\GameLoadep.exe b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1408 GameLoadep.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2496 b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2496 b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe 2496 b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2496 wrote to memory of 1408 2496 b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe 28 PID 2496 wrote to memory of 1408 2496 b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe 28 PID 2496 wrote to memory of 1408 2496 b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe 28 PID 2496 wrote to memory of 1408 2496 b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe"C:\Users\Admin\AppData\Local\Temp\b3cc2bbc23a18884152fa497632f7406ecb043470fcd9e94fd622161c950bef4.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Windows\GameLoadep.exeC:\Windows\GameLoadep.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1408
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C:\Program Files (x86)\Terms.exe"C:\Program Files (x86)\Terms.exe"1⤵
- Executes dropped EXE
PID:2952
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
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Filesize
864KB
MD5645a7e5dc4adc68141447b01cb9cec49
SHA12f83beeb3031aa238c8eba4ae04398ff38274780
SHA25676931bce0663f68f95a46414d389042181c690749eed44cb09aae325a0b9ef17
SHA512fdf56fcacc1b43c94bd2811ad3926706f7382fc1d3e20c58b050cf254019c3b6226d0ffa8d4ba6aec259d3a99cb63d06d02156dd6dabab59b91418ba462885de
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Filesize
864KB
MD5645a7e5dc4adc68141447b01cb9cec49
SHA12f83beeb3031aa238c8eba4ae04398ff38274780
SHA25676931bce0663f68f95a46414d389042181c690749eed44cb09aae325a0b9ef17
SHA512fdf56fcacc1b43c94bd2811ad3926706f7382fc1d3e20c58b050cf254019c3b6226d0ffa8d4ba6aec259d3a99cb63d06d02156dd6dabab59b91418ba462885de