Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 17:27
Behavioral task
behavioral1
Sample
309cb3f81bdea9f9b0de31530c7466aa28e4b709f09d4eca9fb755393b131e72.xlsm
Resource
win10-en-20211208
General
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Target
309cb3f81bdea9f9b0de31530c7466aa28e4b709f09d4eca9fb755393b131e72.xlsm
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Size
99KB
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MD5
2dbe3020a6d5fe3be046ae42752d0bfe
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SHA1
12ddb51eac52477faed6edefcfdd1c6cbe5df4ff
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SHA256
309cb3f81bdea9f9b0de31530c7466aa28e4b709f09d4eca9fb755393b131e72
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SHA512
5c90d669f57b926e4333b11e05e0c77015f0cc83cf0c9a8f448dbb10c73e421b82c328f6d44c37391a6d4a11cc69d0fe7b0713238b62b45575bff5b646da7efc
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 3896 2600 rundll32.exe EXCEL.EXE -
Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 41 3928 rundll32.exe 42 3928 rundll32.exe 43 3928 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 3896 rundll32.exe 1692 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Cseqodr\etcaltnh.fjw 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 2600 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 3928 rundll32.exe 3928 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE 2600 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 2600 wrote to memory of 3896 2600 EXCEL.EXE rundll32.exe PID 2600 wrote to memory of 3896 2600 EXCEL.EXE rundll32.exe PID 2600 wrote to memory of 3896 2600 EXCEL.EXE rundll32.exe PID 3896 wrote to memory of 1692 3896 rundll32.exe rundll32.exe PID 3896 wrote to memory of 1692 3896 rundll32.exe rundll32.exe PID 3896 wrote to memory of 1692 3896 rundll32.exe rundll32.exe PID 1692 wrote to memory of 1452 1692 rundll32.exe rundll32.exe PID 1692 wrote to memory of 1452 1692 rundll32.exe rundll32.exe PID 1692 wrote to memory of 1452 1692 rundll32.exe rundll32.exe PID 1452 wrote to memory of 3928 1452 rundll32.exe rundll32.exe PID 1452 wrote to memory of 3928 1452 rundll32.exe rundll32.exe PID 1452 wrote to memory of 3928 1452 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\309cb3f81bdea9f9b0de31530c7466aa28e4b709f09d4eca9fb755393b131e72.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\Cseqodr\etcaltnh.fjw",BynRGWVI4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Cseqodr\etcaltnh.fjw",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/1452-279-0x0000000002FB0000-0x0000000002FD8000-memory.dmpFilesize
160KB
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memory/1692-269-0x00000000052C0000-0x00000000052E8000-memory.dmpFilesize
160KB
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memory/1692-273-0x00000000054E0000-0x0000000005508000-memory.dmpFilesize
160KB
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memory/1692-281-0x00000000056C0000-0x00000000056E8000-memory.dmpFilesize
160KB
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memory/1692-277-0x0000000005540000-0x0000000005568000-memory.dmpFilesize
160KB
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memory/1692-271-0x00000000053C0000-0x00000000053E8000-memory.dmpFilesize
160KB
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memory/1692-266-0x0000000004D10000-0x0000000004D38000-memory.dmpFilesize
160KB
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memory/2600-117-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmpFilesize
64KB
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memory/2600-115-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmpFilesize
64KB
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memory/2600-118-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmpFilesize
64KB
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memory/2600-128-0x00007FFDF89F0000-0x00007FFDF8A00000-memory.dmpFilesize
64KB
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memory/2600-121-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmpFilesize
64KB
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memory/2600-129-0x00007FFDF89F0000-0x00007FFDF8A00000-memory.dmpFilesize
64KB
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memory/2600-116-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmpFilesize
64KB
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memory/3896-263-0x0000000004490000-0x00000000044B8000-memory.dmpFilesize
160KB