Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 14:08
Behavioral task
behavioral1
Sample
f5e44ee7f6d87e54aab6cc273d1251cb4a29e7389241c086a4406f066685c5df.xlsm
Resource
win10-en-20211208
General
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Target
f5e44ee7f6d87e54aab6cc273d1251cb4a29e7389241c086a4406f066685c5df.xlsm
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Size
99KB
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MD5
8d743af5388cb9c0e9eeab2110cfc5dc
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SHA1
af6a29950604395248416f87170fb07f96752435
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SHA256
f5e44ee7f6d87e54aab6cc273d1251cb4a29e7389241c086a4406f066685c5df
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SHA512
a8d80dcce98bd4d9cbd35e957c3eaf2e355b910bc2ab51fec6887909529877b96af4719ed0ee55c4470716dd13323833d214cbe9c73cac7966631d66852800f3
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 816 2740 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 44 3056 rundll32.exe 45 3056 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 816 rundll32.exe 2316 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Mvutpzxiplskm\sftnr.nog 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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 2740 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 3056 rundll32.exe 3056 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE 2740 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 2740 wrote to memory of 816 2740 EXCEL.EXE rundll32.exe PID 2740 wrote to memory of 816 2740 EXCEL.EXE rundll32.exe PID 2740 wrote to memory of 816 2740 EXCEL.EXE rundll32.exe PID 816 wrote to memory of 2316 816 rundll32.exe rundll32.exe PID 816 wrote to memory of 2316 816 rundll32.exe rundll32.exe PID 816 wrote to memory of 2316 816 rundll32.exe rundll32.exe PID 2316 wrote to memory of 3068 2316 rundll32.exe rundll32.exe PID 2316 wrote to memory of 3068 2316 rundll32.exe rundll32.exe PID 2316 wrote to memory of 3068 2316 rundll32.exe rundll32.exe PID 3068 wrote to memory of 3056 3068 rundll32.exe rundll32.exe PID 3068 wrote to memory of 3056 3068 rundll32.exe rundll32.exe PID 3068 wrote to memory of 3056 3068 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\f5e44ee7f6d87e54aab6cc273d1251cb4a29e7389241c086a4406f066685c5df.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\Mvutpzxiplskm\sftnr.nog",PQPvG4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Mvutpzxiplskm\sftnr.nog",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/2316-278-0x00000000052B0000-0x00000000052D8000-memory.dmpFilesize
160KB
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memory/2316-276-0x0000000005130000-0x0000000005158000-memory.dmpFilesize
160KB
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memory/2316-274-0x00000000050D0000-0x00000000050F8000-memory.dmpFilesize
160KB
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memory/2316-272-0x0000000004FD0000-0x0000000004FF8000-memory.dmpFilesize
160KB
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memory/2316-270-0x0000000004EF0000-0x0000000004F18000-memory.dmpFilesize
160KB
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memory/2316-267-0x0000000003160000-0x0000000003188000-memory.dmpFilesize
160KB
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memory/2740-128-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmpFilesize
64KB
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memory/2740-116-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2740-115-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2740-127-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2740-118-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2740-117-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmpFilesize
64KB
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memory/2740-129-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmpFilesize
64KB
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memory/3056-281-0x0000000004830000-0x0000000004858000-memory.dmpFilesize
160KB
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memory/3056-284-0x0000000004E60000-0x0000000004E88000-memory.dmpFilesize
160KB
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memory/3056-286-0x0000000004F40000-0x0000000004F68000-memory.dmpFilesize
160KB
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memory/3056-288-0x0000000005020000-0x0000000005048000-memory.dmpFilesize
160KB
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memory/3056-290-0x0000000005110000-0x0000000005138000-memory.dmpFilesize
160KB
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memory/3056-292-0x0000000005210000-0x0000000005238000-memory.dmpFilesize
160KB
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memory/3068-279-0x0000000004D30000-0x0000000004D58000-memory.dmpFilesize
160KB