Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:32
Behavioral task
behavioral1
Sample
c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692.xls
Resource
win10-20220414-en
General
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Target
c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692.xls
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Size
95KB
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MD5
803ad95f2d54ea0cdd2cd8c55897396e
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SHA1
4f9fa8851dd112a3d74992bc91aac3aaca0f09c7
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SHA256
c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692
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SHA512
2ae707de234cbf38af7e4902e8619a23bf076f13d605f8cd8fd78bcba640b3f2df1fb5d27a98c3399f8facb0b682f27e3521a6db8976bd0da31d0e71143c2068
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 348 4692 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5036 4692 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4380 4692 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4648 4692 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 348 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 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 4692 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 348 regsvr32.exe 348 regsvr32.exe 5016 regsvr32.exe 5016 regsvr32.exe 5016 regsvr32.exe 5016 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4692 EXCEL.EXE 4692 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 4692 wrote to memory of 348 4692 EXCEL.EXE regsvr32.exe PID 4692 wrote to memory of 348 4692 EXCEL.EXE regsvr32.exe PID 4692 wrote to memory of 5036 4692 EXCEL.EXE regsvr32.exe PID 4692 wrote to memory of 5036 4692 EXCEL.EXE regsvr32.exe PID 348 wrote to memory of 5016 348 regsvr32.exe regsvr32.exe PID 348 wrote to memory of 5016 348 regsvr32.exe regsvr32.exe PID 4692 wrote to memory of 4380 4692 EXCEL.EXE regsvr32.exe PID 4692 wrote to memory of 4380 4692 EXCEL.EXE regsvr32.exe PID 4692 wrote to memory of 4648 4692 EXCEL.EXE regsvr32.exe PID 4692 wrote to memory of 4648 4692 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\c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692.xls"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.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\YywWZ\krQrrZOCiyujW.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
MD511d8b13db009ddb97a193f13f041d5d5
SHA1b761ae2f01368d8390fa809b7213145f64fce4af
SHA2564d123ff8e907e781eedb73a7e5e1b250335cd1855af1838aaa86d8f0070bebb1
SHA5128b47402242cacd85a2d5ea1eee27f9b00650f955b7a7d7595ef76485f791dd32cd913ddb5225efbad751b56675b6c26594dd7b8207ee3edd9adbb06655d56990
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\Users\Admin\soci1.ocxFilesize
312KB
MD511d8b13db009ddb97a193f13f041d5d5
SHA1b761ae2f01368d8390fa809b7213145f64fce4af
SHA2564d123ff8e907e781eedb73a7e5e1b250335cd1855af1838aaa86d8f0070bebb1
SHA5128b47402242cacd85a2d5ea1eee27f9b00650f955b7a7d7595ef76485f791dd32cd913ddb5225efbad751b56675b6c26594dd7b8207ee3edd9adbb06655d56990
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memory/348-254-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/348-251-0x0000000000000000-mapping.dmp
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memory/4380-273-0x0000000000000000-mapping.dmp
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memory/4648-276-0x0000000000000000-mapping.dmp
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memory/4692-120-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmpFilesize
64KB
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memory/4692-129-0x00007FFCF3EC0000-0x00007FFCF3ED0000-memory.dmpFilesize
64KB
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memory/4692-130-0x00007FFCF3EC0000-0x00007FFCF3ED0000-memory.dmpFilesize
64KB
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memory/4692-119-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmpFilesize
64KB
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memory/4692-118-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmpFilesize
64KB
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memory/4692-117-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmpFilesize
64KB
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memory/5016-265-0x0000000000000000-mapping.dmp
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memory/5036-264-0x0000000000000000-mapping.dmp