Analysis
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max time kernel
102s -
max time network
133s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
21-03-2023 22:16
Behavioral task
behavioral1
Sample
558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a.doc
Resource
win10-20230220-en
General
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Target
558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a.doc
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Size
381KB
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MD5
1640c9beb6c7afe550ba2e2d7584f179
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SHA1
74e2fcb40aa441192b94d57cb46d6aed9bd1b353
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SHA256
558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a
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SHA512
9b0869ad92708cee4446781589589a48bb4d3cb433ed9695e79d5ce65e8b962e9cea51dbd2885a85892f6c0bdcf4dea2e3ebdaac14ede15d8659f1be029a5287
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SSDEEP
6144:E9fcsHgsTGbWqjWQ6e7t/5MIUAWuVfzmSsWnpoWgXEyV/FF:2fPPGBWQ6CBMIUreiSXgXtF
Malware Config
Extracted
emotet
Epoch4
164.68.99.3:8080
164.90.222.65:443
186.194.240.217:443
1.234.2.232:8080
103.75.201.2:443
187.63.160.88:80
147.139.166.154:8080
91.207.28.33:8080
5.135.159.50:443
153.92.5.27:8080
213.239.212.5:443
103.43.75.120:443
159.65.88.10:8080
167.172.253.162:8080
153.126.146.25:7080
119.59.103.152:8080
107.170.39.149:8080
183.111.227.137:8080
159.89.202.34:443
110.232.117.186:8080
129.232.188.93:443
172.105.226.75:8080
197.242.150.244:8080
188.44.20.25:443
66.228.32.31:7080
91.121.146.47:8080
202.129.205.3:8080
45.176.232.124:443
160.16.142.56:8080
94.23.45.86:4143
95.217.221.146:8080
72.15.201.15:8080
167.172.199.165:8080
115.68.227.76:8080
139.59.126.41:443
185.4.135.165:8080
79.137.35.198:8080
206.189.28.199:8080
163.44.196.120:8080
201.94.166.162:443
104.168.155.143:8080
173.212.193.249:8080
45.235.8.30:8080
169.57.156.166:8080
149.56.131.28:8080
182.162.143.56:443
103.132.242.26:8080
82.223.21.224:8080
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 4208 8 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 4208 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Script User-Agent 5 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 10 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 28 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 30 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 32 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 8 WINWORD.EXE 8 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 4208 regsvr32.exe 4208 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
WINWORD.EXEpid process 8 WINWORD.EXE 8 WINWORD.EXE 8 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 8 WINWORD.EXE 8 WINWORD.EXE 8 WINWORD.EXE 8 WINWORD.EXE 8 WINWORD.EXE 8 WINWORD.EXE 8 WINWORD.EXE 8 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 8 wrote to memory of 4208 8 WINWORD.EXE regsvr32.exe PID 8 wrote to memory of 4208 8 WINWORD.EXE regsvr32.exe PID 4208 wrote to memory of 1448 4208 regsvr32.exe regsvr32.exe PID 4208 wrote to memory of 1448 4208 regsvr32.exe regsvr32.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\231642.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\VvZMfbYuKd\kNYJTtHbEtGAfc.dll"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\231642.tmpFilesize
502.5MB
MD5bdb6e67d4debba71e4853bf9c8744ab3
SHA186464dc254cd8e2ce368e6a3729198aea7d73e60
SHA2568d079273a86ebf2f9130d6184c85fa9158fc38d5503a353f04ab3a557798df94
SHA51270d721e5269fdcbdeda332d5dd6463dbbbe2a6153470f00569bab5efd7eb86b36beac0643dbebc17191dc42663136380fa031fbebe14b69f3cf4287d134d6360
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C:\Users\Admin\AppData\Local\Temp\231707.zipFilesize
797KB
MD52c55b340db25b08a30497abf2c775fc9
SHA14d38dd06b7bb789e13c9e55a1069716f42dabfab
SHA2562cbe3b7c97939da28d20e4ecb95f37228321d6100960d29ab130516fdd265ee7
SHA5123b00a0dc08473c37c50beee45a3392f6a78593a85d60cabccd7ceae5031fdcfff4ebda5d66745ddaf4bf3ccccf3a7866687d2aceb6db430fdfaf55bf41279912
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\Users\Admin\AppData\Local\Temp\231642.tmpFilesize
502.5MB
MD5bdb6e67d4debba71e4853bf9c8744ab3
SHA186464dc254cd8e2ce368e6a3729198aea7d73e60
SHA2568d079273a86ebf2f9130d6184c85fa9158fc38d5503a353f04ab3a557798df94
SHA51270d721e5269fdcbdeda332d5dd6463dbbbe2a6153470f00569bab5efd7eb86b36beac0643dbebc17191dc42663136380fa031fbebe14b69f3cf4287d134d6360
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memory/8-123-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/8-126-0x00007FFD18CB0000-0x00007FFD18CC0000-memory.dmpFilesize
64KB
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memory/8-127-0x00007FFD18CB0000-0x00007FFD18CC0000-memory.dmpFilesize
64KB
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memory/8-120-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/8-122-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/8-121-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/8-439-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/8-440-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/8-441-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/8-442-0x00007FFD1BA50000-0x00007FFD1BA60000-memory.dmpFilesize
64KB
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memory/4208-333-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4208-343-0x0000000002140000-0x0000000002141000-memory.dmpFilesize
4KB