Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:13
Behavioral task
behavioral1
Sample
a143d87f0842c73830ec5045ed73c4b0c50a8f1ded1d987b53e2d2c6c768aee6.xls
Resource
win10-20220414-en
General
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Target
a143d87f0842c73830ec5045ed73c4b0c50a8f1ded1d987b53e2d2c6c768aee6.xls
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Size
95KB
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MD5
9188649c1cdfb1cd39d80b9980753675
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SHA1
42a9d1e4dcb5b57c944b41874f30f9a38a6c24d4
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SHA256
a143d87f0842c73830ec5045ed73c4b0c50a8f1ded1d987b53e2d2c6c768aee6
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SHA512
812c486a73c8db8614f55e31ed5ad03f08baf336e42639646612bcad6c15b9c4360a51ee8300b7cb0a1c471caed5f06eb9845e60a73498501c7453375ab71f93
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 3404 3052 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4816 3052 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 640 3052 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 928 3052 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 3404 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3052 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3404 regsvr32.exe 3404 regsvr32.exe 3244 regsvr32.exe 3244 regsvr32.exe 3244 regsvr32.exe 3244 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 3052 wrote to memory of 3404 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 3404 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 4816 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 4816 3052 EXCEL.EXE regsvr32.exe PID 3404 wrote to memory of 3244 3404 regsvr32.exe regsvr32.exe PID 3404 wrote to memory of 3244 3404 regsvr32.exe regsvr32.exe PID 3052 wrote to memory of 640 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 640 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 928 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 928 3052 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\a143d87f0842c73830ec5045ed73c4b0c50a8f1ded1d987b53e2d2c6c768aee6.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\WYajhyLmrqUyRhO\ndsicuF.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
MD5173d4eb883b2de45e58cf2b0da704eaf
SHA1e073d688664d58fc6943c20c84ece8ce2864f0a3
SHA256f3de60a2ae73d50b5852f16b61983c2214bf8fdf4a1633b576fe53a7d26a3e86
SHA5123ded417b682336cf8b4e77160129b0048aa5e104562041d0f7658c944a71f0cbd3092455f1610eccc14d166007db0676a72dfc3634c1e178be2ebbc69646c151
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\Users\Admin\soci1.ocxFilesize
312KB
MD5173d4eb883b2de45e58cf2b0da704eaf
SHA1e073d688664d58fc6943c20c84ece8ce2864f0a3
SHA256f3de60a2ae73d50b5852f16b61983c2214bf8fdf4a1633b576fe53a7d26a3e86
SHA5123ded417b682336cf8b4e77160129b0048aa5e104562041d0f7658c944a71f0cbd3092455f1610eccc14d166007db0676a72dfc3634c1e178be2ebbc69646c151
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memory/640-297-0x0000000000000000-mapping.dmp
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memory/928-300-0x0000000000000000-mapping.dmp
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memory/3052-118-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/3052-119-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/3052-120-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/3052-129-0x00007FF89DBB0000-0x00007FF89DBC0000-memory.dmpFilesize
64KB
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memory/3052-130-0x00007FF89DBB0000-0x00007FF89DBC0000-memory.dmpFilesize
64KB
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memory/3052-117-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/3244-289-0x0000000000000000-mapping.dmp
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memory/3404-275-0x0000000000000000-mapping.dmp
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memory/3404-278-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4816-288-0x0000000000000000-mapping.dmp