Analysis
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max time kernel
151s -
max time network
137s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 12:40
Behavioral task
behavioral1
Sample
8297ef45e3224510e2c1e3724618f59e77c48297b24ecb4bd4c86746b537a4e3.xlsm
Resource
win10-en-20211208
General
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Target
8297ef45e3224510e2c1e3724618f59e77c48297b24ecb4bd4c86746b537a4e3.xlsm
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Size
99KB
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MD5
de9a6a746ed72678cf4ff18b7be38308
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SHA1
cfa57a1e7aa8037293fe9210bc180ccc7024b477
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SHA256
8297ef45e3224510e2c1e3724618f59e77c48297b24ecb4bd4c86746b537a4e3
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SHA512
be6beab8bee69a5641e174f89491c1c07b16c15b5e4780c3bbc7b34cee4a1438a9a3008cd2b187a7bb956dac081a551ecc173d083de6c0546be38623be279fbc
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 2028 2720 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 3172 rundll32.exe 43 3172 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 2028 rundll32.exe 3220 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Wmsjtfdbnypfvz\cxwupndujigyhiy.vlp 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 2720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 3172 rundll32.exe 3172 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 2720 wrote to memory of 2028 2720 EXCEL.EXE rundll32.exe PID 2720 wrote to memory of 2028 2720 EXCEL.EXE rundll32.exe PID 2720 wrote to memory of 2028 2720 EXCEL.EXE rundll32.exe PID 2028 wrote to memory of 3220 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 3220 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 3220 2028 rundll32.exe rundll32.exe PID 3220 wrote to memory of 644 3220 rundll32.exe rundll32.exe PID 3220 wrote to memory of 644 3220 rundll32.exe rundll32.exe PID 3220 wrote to memory of 644 3220 rundll32.exe rundll32.exe PID 644 wrote to memory of 3172 644 rundll32.exe rundll32.exe PID 644 wrote to memory of 3172 644 rundll32.exe rundll32.exe PID 644 wrote to memory of 3172 644 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\8297ef45e3224510e2c1e3724618f59e77c48297b24ecb4bd4c86746b537a4e3.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\Wmsjtfdbnypfvz\cxwupndujigyhiy.vlp",wOMGOngOJsTe4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Wmsjtfdbnypfvz\cxwupndujigyhiy.vlp",DllRegisterServer5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
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/644-288-0x00000000010A0000-0x00000000010C8000-memory.dmpFilesize
160KB
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memory/2028-271-0x0000000001040000-0x0000000001068000-memory.dmpFilesize
160KB
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memory/2720-116-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2720-117-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2720-118-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2720-119-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2720-128-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmpFilesize
64KB
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memory/2720-129-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmpFilesize
64KB
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memory/2720-115-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/3172-290-0x0000000001030000-0x0000000001058000-memory.dmpFilesize
160KB
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memory/3172-292-0x0000000001320000-0x0000000001348000-memory.dmpFilesize
160KB
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memory/3172-295-0x0000000004B60000-0x0000000004B88000-memory.dmpFilesize
160KB
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memory/3172-297-0x0000000004C40000-0x0000000004C68000-memory.dmpFilesize
160KB
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memory/3172-299-0x0000000004D30000-0x0000000004D58000-memory.dmpFilesize
160KB
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memory/3172-301-0x0000000004E30000-0x0000000004E58000-memory.dmpFilesize
160KB
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memory/3220-281-0x0000000005420000-0x0000000005448000-memory.dmpFilesize
160KB
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memory/3220-283-0x0000000005540000-0x0000000005568000-memory.dmpFilesize
160KB
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memory/3220-285-0x00000000055A0000-0x00000000055C8000-memory.dmpFilesize
160KB
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memory/3220-279-0x0000000005330000-0x0000000005358000-memory.dmpFilesize
160KB
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memory/3220-287-0x0000000005720000-0x0000000005748000-memory.dmpFilesize
160KB
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memory/3220-274-0x0000000003820000-0x0000000003848000-memory.dmpFilesize
160KB