Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:37
Behavioral task
behavioral1
Sample
bc98ff1d850beba8d207fd613ffddb955e18612aec1cd87522f95f834c64b315.xls
Resource
win10-20220414-en
General
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Target
bc98ff1d850beba8d207fd613ffddb955e18612aec1cd87522f95f834c64b315.xls
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Size
95KB
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MD5
43ebae254bcb6c8081b64a33343fdcb8
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SHA1
4f333e7f15060cdb9b14ccc019823e08fec58966
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SHA256
bc98ff1d850beba8d207fd613ffddb955e18612aec1cd87522f95f834c64b315
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SHA512
0da61dba1e64e87914e73cab72b77db4b7709df0228f05a5c24190f86a9e656f7605ef0ceb2821fe1a7307eafe40f6f471b6e6bda0b73b33a0d7a19f22d72691
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 4084 1568 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4952 1568 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4444 1568 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3748 1568 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 4084 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 1568 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4084 regsvr32.exe 4084 regsvr32.exe 4984 regsvr32.exe 4984 regsvr32.exe 4984 regsvr32.exe 4984 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 1568 wrote to memory of 4084 1568 EXCEL.EXE regsvr32.exe PID 1568 wrote to memory of 4084 1568 EXCEL.EXE regsvr32.exe PID 1568 wrote to memory of 4952 1568 EXCEL.EXE regsvr32.exe PID 1568 wrote to memory of 4952 1568 EXCEL.EXE regsvr32.exe PID 4084 wrote to memory of 4984 4084 regsvr32.exe regsvr32.exe PID 4084 wrote to memory of 4984 4084 regsvr32.exe regsvr32.exe PID 1568 wrote to memory of 4444 1568 EXCEL.EXE regsvr32.exe PID 1568 wrote to memory of 4444 1568 EXCEL.EXE regsvr32.exe PID 1568 wrote to memory of 3748 1568 EXCEL.EXE regsvr32.exe PID 1568 wrote to memory of 3748 1568 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\bc98ff1d850beba8d207fd613ffddb955e18612aec1cd87522f95f834c64b315.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\XAksaJ\nxiLESNgZEmwYdf.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/1568-118-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/1568-119-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/1568-120-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/1568-129-0x00007FF8970E0000-0x00007FF8970F0000-memory.dmpFilesize
64KB
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memory/1568-130-0x00007FF8970E0000-0x00007FF8970F0000-memory.dmpFilesize
64KB
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memory/1568-117-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/3748-284-0x0000000000000000-mapping.dmp
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memory/4084-259-0x0000000000000000-mapping.dmp
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memory/4084-262-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4444-281-0x0000000000000000-mapping.dmp
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memory/4952-272-0x0000000000000000-mapping.dmp
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memory/4984-275-0x0000000000000000-mapping.dmp