Analysis
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max time kernel
152s -
max time network
151s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 13:12
Behavioral task
behavioral1
Sample
2f81803167aa54a2145538e204189722bb88af57a776b9ce3e46b3259b16945a.xlsm
Resource
win10-en-20211208
General
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Target
2f81803167aa54a2145538e204189722bb88af57a776b9ce3e46b3259b16945a.xlsm
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Size
99KB
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MD5
a53e1dc1a923e50825c1486bb7604aa0
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SHA1
7be2ced61d359130d67c39f25a07965e2ecb1da0
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SHA256
2f81803167aa54a2145538e204189722bb88af57a776b9ce3e46b3259b16945a
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SHA512
29878c188ed20531932a8c1b57e251342a9c4fdd71d9aabdc0642a853bb6bce1d078d6a3d07175170194274f5ae6df1ec22f82850687e69b4e53865c3e8ec8c0
Malware Config
Extracted
http://shop.lambolero.com/iiwkjgp/eu7rH6/
Extracted
emotet
Epoch5
45.138.98.34:80
69.16.218.101:8080
51.210.242.234:8080
185.148.168.220:8080
142.4.219.173:8080
54.38.242.185:443
191.252.103.16:80
104.131.62.48:8080
62.171.178.147:8080
217.182.143.207:443
168.197.250.14:80
37.44.244.177:8080
66.42.57.149:443
210.57.209.142:8080
159.69.237.188:443
116.124.128.206:8080
128.199.192.135:8080
195.154.146.35:443
185.148.168.15:8080
195.77.239.39:8080
207.148.81.119:8080
85.214.67.203:8080
190.90.233.66:443
78.46.73.125:443
78.47.204.80:443
37.59.209.141:8080
54.37.228.122:443
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 964 1008 rundll32.exe EXCEL.EXE -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 42 3904 rundll32.exe 43 3904 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 964 rundll32.exe 4012 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Uwdxyyvvd\vmcamcuufobs.ucx rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1008 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 3904 rundll32.exe 3904 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 1008 wrote to memory of 964 1008 EXCEL.EXE rundll32.exe PID 1008 wrote to memory of 964 1008 EXCEL.EXE rundll32.exe PID 1008 wrote to memory of 964 1008 EXCEL.EXE rundll32.exe PID 964 wrote to memory of 4012 964 rundll32.exe rundll32.exe PID 964 wrote to memory of 4012 964 rundll32.exe rundll32.exe PID 964 wrote to memory of 4012 964 rundll32.exe rundll32.exe PID 4012 wrote to memory of 2260 4012 rundll32.exe rundll32.exe PID 4012 wrote to memory of 2260 4012 rundll32.exe rundll32.exe PID 4012 wrote to memory of 2260 4012 rundll32.exe rundll32.exe PID 2260 wrote to memory of 3904 2260 rundll32.exe rundll32.exe PID 2260 wrote to memory of 3904 2260 rundll32.exe rundll32.exe PID 2260 wrote to memory of 3904 2260 rundll32.exe rundll32.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\2f81803167aa54a2145538e204189722bb88af57a776b9ce3e46b3259b16945a.xlsm"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\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe ..\ourl.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\ourl.ocx",DllRegisterServer3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Uwdxyyvvd\vmcamcuufobs.ucx",KzpytVCjHNXATkv4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Uwdxyyvvd\vmcamcuufobs.ucx",DllRegisterServer5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\ourl.ocxMD5
9c2906143fc05bf363fc3fc41e1529ba
SHA1919e4af6be903815ad1079e38f8659cb754d9589
SHA256bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33
SHA5128136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7
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\Users\Admin\ourl.ocxMD5
9c2906143fc05bf363fc3fc41e1529ba
SHA1919e4af6be903815ad1079e38f8659cb754d9589
SHA256bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33
SHA5128136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7
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\Users\Admin\ourl.ocxMD5
9c2906143fc05bf363fc3fc41e1529ba
SHA1919e4af6be903815ad1079e38f8659cb754d9589
SHA256bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33
SHA5128136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7
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memory/964-271-0x0000000000690000-0x00000000006B8000-memory.dmpFilesize
160KB
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memory/1008-131-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmpFilesize
64KB
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memory/1008-118-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/1008-132-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmpFilesize
64KB
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memory/1008-122-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/1008-121-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/1008-120-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/1008-119-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/3904-289-0x0000000000C00000-0x0000000000C28000-memory.dmpFilesize
160KB
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memory/3904-291-0x00000000042E0000-0x0000000004308000-memory.dmpFilesize
160KB
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memory/3904-294-0x0000000004720000-0x0000000004748000-memory.dmpFilesize
160KB
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memory/3904-296-0x0000000004800000-0x0000000004828000-memory.dmpFilesize
160KB
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memory/3904-298-0x0000000004900000-0x0000000004928000-memory.dmpFilesize
160KB
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memory/3904-300-0x0000000004A00000-0x0000000004A28000-memory.dmpFilesize
160KB
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memory/4012-278-0x00000000044A0000-0x00000000044C8000-memory.dmpFilesize
160KB
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memory/4012-280-0x0000000004580000-0x00000000045A8000-memory.dmpFilesize
160KB
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memory/4012-282-0x00000000046F0000-0x0000000004718000-memory.dmpFilesize
160KB
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memory/4012-284-0x0000000004750000-0x0000000004778000-memory.dmpFilesize
160KB
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memory/4012-288-0x00000000048A0000-0x00000000048C8000-memory.dmpFilesize
160KB
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memory/4012-275-0x0000000000240000-0x0000000000268000-memory.dmpFilesize
160KB