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Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
18/01/2024, 04:24
Behavioral task
behavioral1
Sample
647658ac635d4bd98b5348a66f582519.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
647658ac635d4bd98b5348a66f582519.exe
Resource
win10v2004-20231215-en
General
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Target
647658ac635d4bd98b5348a66f582519.exe
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Size
172KB
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MD5
647658ac635d4bd98b5348a66f582519
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SHA1
43330d947b691da4acbdde6d1c2ee95bc43b088e
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SHA256
e4384dd02186304f71d05de9cb75f2337e35c50314813e316b0f3c5dbfa2c7eb
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SHA512
fcc78a166314687d1eb8d01870135c90bef36dfa11c4aff923bed829af7e105ae7281abed1d81dfb6ca06d379169625d05548ab5368cae83958944b8c7863e57
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SSDEEP
3072:bvrHkU4GteMTrXIckCqFkt4Msw8AOnVkDT5Y4e:bvjTHTTBtEkt4MPK
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4940 servicem.exe 1448 servicem.exe -
resource yara_rule behavioral2/memory/1656-0-0x0000000000400000-0x000000000042C000-memory.dmp upx behavioral2/files/0x000600000002320d-6.dat upx behavioral2/memory/1448-11-0x0000000000400000-0x000000000042C000-memory.dmp upx behavioral2/memory/1448-15-0x0000000000400000-0x000000000042C000-memory.dmp upx behavioral2/memory/4940-14-0x0000000000400000-0x000000000042C000-memory.dmp upx behavioral2/memory/1656-16-0x0000000000400000-0x000000000042C000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\QQSoftEM = "C:\\Program Files\\Services\\servicem.exe" servicem.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Services\servicem.exe 647658ac635d4bd98b5348a66f582519.exe File opened for modification C:\Program Files\Services\servicem.exe 647658ac635d4bd98b5348a66f582519.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1448 servicem.exe 1448 servicem.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 1656 647658ac635d4bd98b5348a66f582519.exe 1656 647658ac635d4bd98b5348a66f582519.exe 1656 647658ac635d4bd98b5348a66f582519.exe 4940 servicem.exe 4940 servicem.exe 4940 servicem.exe 1448 servicem.exe 1448 servicem.exe 1448 servicem.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1656 wrote to memory of 4940 1656 647658ac635d4bd98b5348a66f582519.exe 89 PID 1656 wrote to memory of 4940 1656 647658ac635d4bd98b5348a66f582519.exe 89 PID 1656 wrote to memory of 4940 1656 647658ac635d4bd98b5348a66f582519.exe 89 PID 4940 wrote to memory of 1448 4940 servicem.exe 90 PID 4940 wrote to memory of 1448 4940 servicem.exe 90 PID 4940 wrote to memory of 1448 4940 servicem.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\647658ac635d4bd98b5348a66f582519.exe"C:\Users\Admin\AppData\Local\Temp\647658ac635d4bd98b5348a66f582519.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Program Files\Services\servicem.exe"C:\Program Files\Services\servicem.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Program Files\Services\servicem.exe"C:\Program Files\Services\servicem.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1448
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
172KB
MD5647658ac635d4bd98b5348a66f582519
SHA143330d947b691da4acbdde6d1c2ee95bc43b088e
SHA256e4384dd02186304f71d05de9cb75f2337e35c50314813e316b0f3c5dbfa2c7eb
SHA512fcc78a166314687d1eb8d01870135c90bef36dfa11c4aff923bed829af7e105ae7281abed1d81dfb6ca06d379169625d05548ab5368cae83958944b8c7863e57