Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:35
Behavioral task
behavioral1
Sample
e49735b02b85a1cbbb79d3956b797b8f26f6b72845f28cd684a35b56b78daaf3.xls
Resource
win10-20220414-en
General
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Target
e49735b02b85a1cbbb79d3956b797b8f26f6b72845f28cd684a35b56b78daaf3.xls
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Size
95KB
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MD5
f825b4aad9b63a14f64b24fb469bc4ac
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SHA1
73490f1239d0d2703a06cbc3fc2029aeb00e244c
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SHA256
e49735b02b85a1cbbb79d3956b797b8f26f6b72845f28cd684a35b56b78daaf3
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SHA512
1f60f6fc16b41e76e86cb5bdf771fec448d2812f988f3f1bc527595ab656f4799627eec583e2b137dbb7f328fe3af1f3fd4eed6620388de8f78edf06a5cb87dc
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
Extracted
emotet
Epoch4
94.23.45.86:4143
209.97.163.214:443
212.24.98.99:8080
103.43.75.120:443
183.111.227.137:8080
197.242.150.244:8080
129.232.188.93:443
159.65.88.10:8080
163.44.196.120:8080
51.161.73.194:443
164.90.222.65:443
159.89.202.34:443
1.234.2.232:8080
150.95.66.124:8080
51.91.76.89:8080
196.218.30.83:443
5.9.116.246:8080
146.59.226.45:443
173.212.193.249:8080
213.241.20.155:443
213.239.212.5:443
207.148.79.14:8080
51.254.140.238:7080
45.235.8.30:8080
147.139.166.154:8080
64.227.100.222:8080
82.165.152.127:8080
172.105.226.75:8080
131.100.24.231:80
206.189.28.199:8080
151.106.112.196:8080
119.193.124.41:7080
45.176.232.124:443
79.137.35.198:8080
186.194.240.217:443
103.70.28.102:8080
159.65.140.115:443
104.168.155.143:8080
45.118.115.99:8080
115.68.227.76:8080
72.15.201.15:8080
144.202.108.116:8080
37.187.115.122:8080
110.232.117.186:8080
209.126.98.206:8080
172.104.251.154:8080
82.223.21.224:8080
101.50.0.91:8080
103.132.242.26:8080
201.94.166.162:443
185.4.135.165:8080
160.16.142.56:8080
107.170.39.149:8080
134.122.66.193:8080
139.59.126.41:443
149.56.131.28:8080
91.207.28.33:8080
164.68.99.3:8080
188.44.20.25:443
103.75.201.2:443
167.172.253.162:8080
158.69.222.101:443
153.126.146.25:7080
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4052 2648 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4420 2648 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4172 2648 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 604 2648 regsvr32.exe EXCEL.EXE -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 4052 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2648 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4052 regsvr32.exe 4052 regsvr32.exe 4120 regsvr32.exe 4120 regsvr32.exe 4120 regsvr32.exe 4120 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 2648 wrote to memory of 4052 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 4052 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 4420 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 4420 2648 EXCEL.EXE regsvr32.exe PID 4052 wrote to memory of 4120 4052 regsvr32.exe regsvr32.exe PID 4052 wrote to memory of 4120 4052 regsvr32.exe regsvr32.exe PID 2648 wrote to memory of 4172 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 4172 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 604 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 604 2648 EXCEL.EXE regsvr32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e49735b02b85a1cbbb79d3956b797b8f26f6b72845f28cd684a35b56b78daaf3.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- 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\GXuzk\OVNwgvwfxsbd.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\soci1.ocxFilesize
312KB
MD5eb1ad60e47b1779fd23d3ca670f197b7
SHA1b9382f3105bc4bcc47fce39003bf828896938520
SHA25629952ec9c16e7e7e0d118483542c66e0cb70f53e862fdad9801a18243e3ab3c6
SHA512950a06953805aa9e20adbe62cfcb50ae895d79083e8fec2631b44a2ffea23f65be81802207a7942986e71eff0b27695c46eda19307982b217e1afc65fcc23346
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\Users\Admin\soci1.ocxFilesize
312KB
MD5eb1ad60e47b1779fd23d3ca670f197b7
SHA1b9382f3105bc4bcc47fce39003bf828896938520
SHA25629952ec9c16e7e7e0d118483542c66e0cb70f53e862fdad9801a18243e3ab3c6
SHA512950a06953805aa9e20adbe62cfcb50ae895d79083e8fec2631b44a2ffea23f65be81802207a7942986e71eff0b27695c46eda19307982b217e1afc65fcc23346
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memory/604-297-0x0000000000000000-mapping.dmp
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memory/2648-119-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/2648-120-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/2648-121-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/2648-130-0x00007FF85E330000-0x00007FF85E340000-memory.dmpFilesize
64KB
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memory/2648-131-0x00007FF85E330000-0x00007FF85E340000-memory.dmpFilesize
64KB
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memory/2648-118-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/4052-279-0x0000000000000000-mapping.dmp
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memory/4052-282-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4120-288-0x0000000000000000-mapping.dmp
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memory/4172-294-0x0000000000000000-mapping.dmp
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memory/4420-287-0x0000000000000000-mapping.dmp