Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 13:24
Behavioral task
behavioral1
Sample
0cdfb7500c34923410f9dcce723bd1e42414d11d2693608fa1f263d4414f512b.xlsm
Resource
win10-en-20211208
General
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Target
0cdfb7500c34923410f9dcce723bd1e42414d11d2693608fa1f263d4414f512b.xlsm
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Size
99KB
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MD5
5bd0bae4f97178635586f1cc7bc9bbd4
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SHA1
0e04bc7b05f11bbf92407b54ed438978208dc207
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SHA256
0cdfb7500c34923410f9dcce723bd1e42414d11d2693608fa1f263d4414f512b
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SHA512
a8080e2ebdb9e264445f37d73fcef8cc7d0731c0ddf2a6eee5cc74c8aca719eb536fe7a0a4654415c91dd1053a3887c4671f7cf35654864a83fbc57966b376b8
Malware Config
Extracted
http://auto.lambolero.com/f1nygync/IOENXupeXUt/
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 3024 2444 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 3 IoCs
Processes:
rundll32.exeflow pid process 36 1064 rundll32.exe 37 1064 rundll32.exe 39 1064 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 3024 rundll32.exe 4008 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Bklzcyjslxrs\cgkkc.qhc 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 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 2444 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 1064 rundll32.exe 1064 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE 2444 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 2444 wrote to memory of 3024 2444 EXCEL.EXE rundll32.exe PID 2444 wrote to memory of 3024 2444 EXCEL.EXE rundll32.exe PID 2444 wrote to memory of 3024 2444 EXCEL.EXE rundll32.exe PID 3024 wrote to memory of 4008 3024 rundll32.exe rundll32.exe PID 3024 wrote to memory of 4008 3024 rundll32.exe rundll32.exe PID 3024 wrote to memory of 4008 3024 rundll32.exe rundll32.exe PID 4008 wrote to memory of 1792 4008 rundll32.exe rundll32.exe PID 4008 wrote to memory of 1792 4008 rundll32.exe rundll32.exe PID 4008 wrote to memory of 1792 4008 rundll32.exe rundll32.exe PID 1792 wrote to memory of 1064 1792 rundll32.exe rundll32.exe PID 1792 wrote to memory of 1064 1792 rundll32.exe rundll32.exe PID 1792 wrote to memory of 1064 1792 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\0cdfb7500c34923410f9dcce723bd1e42414d11d2693608fa1f263d4414f512b.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\Bklzcyjslxrs\cgkkc.qhc",iATn4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Bklzcyjslxrs\cgkkc.qhc",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
aa0a4347b7e5b0c59c517c03b2e21fc1
SHA1855f29428fca0a6d55cad546494ad7c7fdd2935d
SHA2560698cb58404a0c551e34dc4f201bc5e5977ffe8c6a3d7abbe887428e1e2f79fc
SHA51234691fa1b7112ed9f15fb5290d9a0ba5f178c114b963b6ac195861d29d279460b36835272c50103c9f61da5e3ec894cc247e8bb0e7994d8d5cf12f904386052f
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\Users\Admin\ourl.ocxMD5
aa0a4347b7e5b0c59c517c03b2e21fc1
SHA1855f29428fca0a6d55cad546494ad7c7fdd2935d
SHA2560698cb58404a0c551e34dc4f201bc5e5977ffe8c6a3d7abbe887428e1e2f79fc
SHA51234691fa1b7112ed9f15fb5290d9a0ba5f178c114b963b6ac195861d29d279460b36835272c50103c9f61da5e3ec894cc247e8bb0e7994d8d5cf12f904386052f
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\Users\Admin\ourl.ocxMD5
aa0a4347b7e5b0c59c517c03b2e21fc1
SHA1855f29428fca0a6d55cad546494ad7c7fdd2935d
SHA2560698cb58404a0c551e34dc4f201bc5e5977ffe8c6a3d7abbe887428e1e2f79fc
SHA51234691fa1b7112ed9f15fb5290d9a0ba5f178c114b963b6ac195861d29d279460b36835272c50103c9f61da5e3ec894cc247e8bb0e7994d8d5cf12f904386052f
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memory/1064-303-0x0000000004B70000-0x0000000004B98000-memory.dmpFilesize
160KB
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memory/1064-301-0x0000000004A80000-0x0000000004AA8000-memory.dmpFilesize
160KB
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memory/1064-299-0x0000000000F70000-0x0000000000F98000-memory.dmpFilesize
160KB
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memory/1792-295-0x00000000011E0000-0x0000000001208000-memory.dmpFilesize
160KB
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memory/2444-128-0x00007FFE3ADD0000-0x00007FFE3ADE0000-memory.dmpFilesize
64KB
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memory/2444-129-0x00007FFE3ADD0000-0x00007FFE3ADE0000-memory.dmpFilesize
64KB
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memory/2444-115-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmpFilesize
64KB
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memory/2444-119-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmpFilesize
64KB
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memory/2444-118-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmpFilesize
64KB
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memory/2444-117-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmpFilesize
64KB
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memory/2444-116-0x00007FFE3E940000-0x00007FFE3E950000-memory.dmpFilesize
64KB
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memory/4008-283-0x0000000004D80000-0x0000000004DA8000-memory.dmpFilesize
160KB
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memory/4008-285-0x0000000004F60000-0x0000000004F88000-memory.dmpFilesize
160KB
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memory/4008-288-0x00000000053B0000-0x00000000053D8000-memory.dmpFilesize
160KB
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memory/4008-290-0x0000000005530000-0x0000000005558000-memory.dmpFilesize
160KB
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memory/4008-294-0x0000000005590000-0x00000000055B8000-memory.dmpFilesize
160KB
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memory/4008-297-0x0000000005710000-0x0000000005738000-memory.dmpFilesize
160KB