Analysis
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max time kernel
151s -
max time network
141s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 13:36
Behavioral task
behavioral1
Sample
dee77b0acbbc5b093ef0b2d262653f29dc94952ebe1317e69b9bc84d24ad2ead.xlsm
Resource
win10-en-20211208
General
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Target
dee77b0acbbc5b093ef0b2d262653f29dc94952ebe1317e69b9bc84d24ad2ead.xlsm
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Size
99KB
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MD5
cb16df19e8ce65263386826b6edf3741
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SHA1
9230436b19f9e5b3312044244d2b19b39d0975aa
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SHA256
dee77b0acbbc5b093ef0b2d262653f29dc94952ebe1317e69b9bc84d24ad2ead
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SHA512
25d5862c4ec42b89631f186f022010e52728b395513127e9318217d70ebc887fb92dabf83400a99c1d70e9d9206601d5cd4736cc3adbd19ef318aaf0d1e990f3
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 2692 1672 rundll32.exe EXCEL.EXE -
Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 38 1140 rundll32.exe 39 1140 rundll32.exe 40 1140 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 2692 rundll32.exe 3564 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Fnxysygnnkoz\dhbfbfsetxqnt.ohf 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 1672 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 1140 rundll32.exe 1140 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 1672 wrote to memory of 2692 1672 EXCEL.EXE rundll32.exe PID 1672 wrote to memory of 2692 1672 EXCEL.EXE rundll32.exe PID 1672 wrote to memory of 2692 1672 EXCEL.EXE rundll32.exe PID 2692 wrote to memory of 3564 2692 rundll32.exe rundll32.exe PID 2692 wrote to memory of 3564 2692 rundll32.exe rundll32.exe PID 2692 wrote to memory of 3564 2692 rundll32.exe rundll32.exe PID 3564 wrote to memory of 4872 3564 rundll32.exe rundll32.exe PID 3564 wrote to memory of 4872 3564 rundll32.exe rundll32.exe PID 3564 wrote to memory of 4872 3564 rundll32.exe rundll32.exe PID 4872 wrote to memory of 1140 4872 rundll32.exe rundll32.exe PID 4872 wrote to memory of 1140 4872 rundll32.exe rundll32.exe PID 4872 wrote to memory of 1140 4872 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\dee77b0acbbc5b093ef0b2d262653f29dc94952ebe1317e69b9bc84d24ad2ead.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\Fnxysygnnkoz\dhbfbfsetxqnt.ohf",kaVfIZIp4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Fnxysygnnkoz\dhbfbfsetxqnt.ohf",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/1140-285-0x00000000041A0000-0x00000000041C8000-memory.dmpFilesize
160KB
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memory/1140-302-0x0000000004EB0000-0x0000000004ED8000-memory.dmpFilesize
160KB
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memory/1140-300-0x0000000004E30000-0x0000000004E58000-memory.dmpFilesize
160KB
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memory/1140-298-0x0000000004C40000-0x0000000004C68000-memory.dmpFilesize
160KB
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memory/1140-296-0x0000000004B40000-0x0000000004B68000-memory.dmpFilesize
160KB
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memory/1140-292-0x0000000004980000-0x00000000049A8000-memory.dmpFilesize
160KB
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memory/1140-290-0x00000000048A0000-0x00000000048C8000-memory.dmpFilesize
160KB
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memory/1140-288-0x00000000047C0000-0x00000000047E8000-memory.dmpFilesize
160KB
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memory/1672-129-0x00007FF832AF0000-0x00007FF832B00000-memory.dmpFilesize
64KB
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memory/1672-115-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/1672-116-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/1672-117-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/1672-118-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/1672-127-0x00007FF832AF0000-0x00007FF832B00000-memory.dmpFilesize
64KB
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memory/1672-128-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/2692-263-0x0000000004B70000-0x0000000004B98000-memory.dmpFilesize
160KB
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memory/3564-269-0x00000000046B0000-0x00000000046D8000-memory.dmpFilesize
160KB
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memory/3564-266-0x0000000004160000-0x0000000004188000-memory.dmpFilesize
160KB
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memory/3564-284-0x0000000004A60000-0x0000000004A88000-memory.dmpFilesize
160KB
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memory/3564-277-0x00000000048E0000-0x0000000004908000-memory.dmpFilesize
160KB
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memory/3564-275-0x0000000004880000-0x00000000048A8000-memory.dmpFilesize
160KB
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memory/3564-273-0x0000000004790000-0x00000000047B8000-memory.dmpFilesize
160KB