Analysis
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max time kernel
148s -
max time network
145s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:42
Behavioral task
behavioral1
Sample
cc8ea77db73d1a7b64c21ee20e8bf87a6674f333cc81674502bc1dec67c3d5b3.xls
Resource
win10-20220414-en
General
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Target
cc8ea77db73d1a7b64c21ee20e8bf87a6674f333cc81674502bc1dec67c3d5b3.xls
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Size
95KB
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MD5
4c8e21dc89ecb9c3bc839d48000e1bd3
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SHA1
af65a5e31783fee6bfd89b37e0cb149b405200b2
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SHA256
cc8ea77db73d1a7b64c21ee20e8bf87a6674f333cc81674502bc1dec67c3d5b3
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SHA512
444bc6d2f2adc35e0374b79eaf91467d5e259464ac56c56d94b76d618e534b89cbf49de1f66e66928aa79a277f3d7b0c21afae14e9261f61433fcfa0812e73aa
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 4352 2280 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5032 2280 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4208 2280 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3556 2280 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 4352 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\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2280 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4352 regsvr32.exe 4352 regsvr32.exe 3808 regsvr32.exe 3808 regsvr32.exe 3808 regsvr32.exe 3808 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 2280 wrote to memory of 4352 2280 EXCEL.EXE regsvr32.exe PID 2280 wrote to memory of 4352 2280 EXCEL.EXE regsvr32.exe PID 2280 wrote to memory of 5032 2280 EXCEL.EXE regsvr32.exe PID 2280 wrote to memory of 5032 2280 EXCEL.EXE regsvr32.exe PID 4352 wrote to memory of 3808 4352 regsvr32.exe regsvr32.exe PID 4352 wrote to memory of 3808 4352 regsvr32.exe regsvr32.exe PID 2280 wrote to memory of 4208 2280 EXCEL.EXE regsvr32.exe PID 2280 wrote to memory of 4208 2280 EXCEL.EXE regsvr32.exe PID 2280 wrote to memory of 3556 2280 EXCEL.EXE regsvr32.exe PID 2280 wrote to memory of 3556 2280 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\cc8ea77db73d1a7b64c21ee20e8bf87a6674f333cc81674502bc1dec67c3d5b3.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\CAqWiBWqXC\rNmjZAsQ.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
MD531fb0cce78cea1f6c279679ae552f340
SHA1358ae722120e8225094d359e679c3b4ced8f5ba3
SHA256872621fd553897f3f15c99e7850f9437df419834df25c363fbfc1749ddd83ad7
SHA512855ab29ffbb84004d6754935a68769afbc112ddf0a2a8333076480815397064f743692366fbddefe277905166cf37e983c6716e9a564c1440da0a8f1c1dc993a
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\Users\Admin\soci1.ocxFilesize
312KB
MD531fb0cce78cea1f6c279679ae552f340
SHA1358ae722120e8225094d359e679c3b4ced8f5ba3
SHA256872621fd553897f3f15c99e7850f9437df419834df25c363fbfc1749ddd83ad7
SHA512855ab29ffbb84004d6754935a68769afbc112ddf0a2a8333076480815397064f743692366fbddefe277905166cf37e983c6716e9a564c1440da0a8f1c1dc993a
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memory/2280-119-0x00007FF94A8D0000-0x00007FF94A8E0000-memory.dmpFilesize
64KB
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memory/2280-120-0x00007FF94A8D0000-0x00007FF94A8E0000-memory.dmpFilesize
64KB
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memory/2280-121-0x00007FF94A8D0000-0x00007FF94A8E0000-memory.dmpFilesize
64KB
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memory/2280-130-0x00007FF947580000-0x00007FF947590000-memory.dmpFilesize
64KB
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memory/2280-131-0x00007FF947580000-0x00007FF947590000-memory.dmpFilesize
64KB
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memory/2280-118-0x00007FF94A8D0000-0x00007FF94A8E0000-memory.dmpFilesize
64KB
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memory/3556-301-0x0000000000000000-mapping.dmp
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memory/3808-290-0x0000000000000000-mapping.dmp
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memory/4208-296-0x0000000000000000-mapping.dmp
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memory/4352-276-0x0000000000000000-mapping.dmp
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memory/4352-279-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/5032-289-0x0000000000000000-mapping.dmp