Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
02-11-2023 14:16
Behavioral task
behavioral1
Sample
NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe
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Size
12KB
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MD5
c857e28a8f6c956aa381d2b6b9e7b020
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SHA1
f9ce3d2a1ea3891b235461cb96d9f7dda63d6d9d
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SHA256
f3a618af1d97c0ce971b5cda4732908f5c357334f9a540ff025f8565290cc0ac
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SHA512
768df386137e92d973fd345e5fdaf13122173c491ff0ab672f1744c24282ffc338563dc79d75dadb2669c22a7ac7490637ade0e726aa60262f1513041a2a965f
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SSDEEP
192:+UoHtBBPR/wn3VGswB1ZztrM5gwX/wJlB5rC/42oq+vLtr9ZCspE+TMgrZMVT:Hk6g7trW54DLdAeMvVT
Malware Config
Extracted
sakula
http://www.we11point.com:443/view.asp?cookie=%s&type=%d&vid=%d
http://www.we11point.com:443/photo/%s.jpg?vid=%d
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3088 MediaCenter.exe -
Processes:
resource yara_rule behavioral2/memory/872-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/872-1-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/872-2-0x0000000000400000-0x000000000040B000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe upx C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe upx behavioral2/memory/872-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3088-10-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" reg.exe -
Modifies registry key 1 TTPs 1 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of WriteProcessMemory 15 IoCs
Processes:
NEAS.c857e28a8f6c956aa381d2b6b9e7b020.execmd.execmd.exedescription pid process target process PID 872 wrote to memory of 1748 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe cmd.exe PID 872 wrote to memory of 1748 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe cmd.exe PID 872 wrote to memory of 1748 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe cmd.exe PID 872 wrote to memory of 3088 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe MediaCenter.exe PID 872 wrote to memory of 3088 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe MediaCenter.exe PID 872 wrote to memory of 3088 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe MediaCenter.exe PID 1748 wrote to memory of 548 1748 cmd.exe reg.exe PID 1748 wrote to memory of 548 1748 cmd.exe reg.exe PID 1748 wrote to memory of 548 1748 cmd.exe reg.exe PID 872 wrote to memory of 2176 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe cmd.exe PID 872 wrote to memory of 2176 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe cmd.exe PID 872 wrote to memory of 2176 872 NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe cmd.exe PID 2176 wrote to memory of 804 2176 cmd.exe PING.EXE PID 2176 wrote to memory of 804 2176 cmd.exe PING.EXE PID 2176 wrote to memory of 804 2176 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Windows\SysWOW64\cmd.execmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\SysWOW64\reg.exereg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"3⤵
- Adds Run key to start application
- Modifies registry key
PID:548 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3088 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\NEAS.c857e28a8f6c956aa381d2b6b9e7b020.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:804
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeFilesize
12KB
MD55080affc0c5321194d393599ce478306
SHA11e27968796992ddd67c5eae632b66bdf3acfde41
SHA256d443e9d87458084f361ab12812e1548a7b929b5e9e1910cac868dda9c72cb79a
SHA51209be2460df561c5d3d4b837aaf83ad0c48a80a2bcf43da57bb3cb7b9f488a2fbf4bd6b693ad4e17485a3c14672d758a2509664c7578e63cc2bab2b526e12fa86
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeFilesize
12KB
MD55080affc0c5321194d393599ce478306
SHA11e27968796992ddd67c5eae632b66bdf3acfde41
SHA256d443e9d87458084f361ab12812e1548a7b929b5e9e1910cac868dda9c72cb79a
SHA51209be2460df561c5d3d4b837aaf83ad0c48a80a2bcf43da57bb3cb7b9f488a2fbf4bd6b693ad4e17485a3c14672d758a2509664c7578e63cc2bab2b526e12fa86
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memory/872-0-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/872-1-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/872-2-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/872-7-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/3088-10-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB