Analysis
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max time kernel
149s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
18-11-2022 01:46
Behavioral task
behavioral1
Sample
attachments_338.xlsm
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
attachments_338.xlsm
Resource
win10v2004-20221111-en
General
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Target
attachments_338.xlsm
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Size
228KB
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MD5
0be38d7e3fe5fc3a79a597ed1d254a50
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SHA1
f4eb84f6b1297f57e57780aa7fcabe6438880d40
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SHA256
da644b867f32f4c76681fd2a7838d843f447f06f87a5ea98786031f0caf169cc
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SHA512
e589d28f3394e198fd8cebf453952973c6967922b171d4f997499d78dd297ee62567418ce621b84848aa1d9d7e4258bd12b287de198a456b70450775b94f81b2
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SSDEEP
6144:9w2WMrfxxjhBMMrxBRXZ5Dz3M1qa8L4cyO:9w2LDHf9PH5XUqRLTyO
Malware Config
Extracted
httph.com/nutabalong/CfyFMHWntM3t/
https://amorecuidados.com.br/wp-admin/baPRbSWvbBq/
http://bet-invest.com/mail/nui/
https://www.manchesterot.co.uk/about-us/KEfGo/
Extracted
emotet
Epoch5
178.238.225.252:8080
139.196.72.155:8080
36.67.23.59:443
103.56.149.105:8080
37.44.244.177:8080
85.25.120.45:8080
202.134.4.210:7080
78.47.204.80:443
83.229.80.93:8080
93.104.209.107:8080
80.211.107.116:8080
165.22.254.236:8080
104.244.79.94:443
185.148.169.10:8080
190.145.8.4:443
175.126.176.79:8080
139.59.80.108:8080
188.165.79.151:443
128.199.217.206:443
64.227.55.231:8080
218.38.121.17:443
103.71.99.57:8080
103.224.241.74:8080
128.199.242.164:8080
85.214.67.203:8080
103.254.12.236:7080
46.101.98.60:8080
178.62.112.199:8080
210.57.209.142:8080
195.77.239.39:8080
103.126.216.86:443
82.98.180.154:7080
202.28.34.99:8080
174.138.33.49:7080
160.16.143.191:8080
51.75.33.122:443
103.41.204.169:8080
186.250.48.5:443
87.106.97.83:7080
118.98.72.86:443
196.44.98.190:8080
103.85.95.4:8080
62.171.178.147:8080
54.37.228.122:443
114.79.130.68:443
198.199.70.22:8080
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4364 904 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4464 904 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2228 904 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2832 904 regsvr32.exe EXCEL.EXE -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 2832 regsvr32.exe 32 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NdxmqCMUgYkMxio.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\SWphezglIbpJfCTrZ\\NdxmqCMUgYkMxio.dll\"" regsvr32.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 904 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 2832 regsvr32.exe 2832 regsvr32.exe 32 regsvr32.exe 32 regsvr32.exe 32 regsvr32.exe 32 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE 904 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 904 wrote to memory of 4364 904 EXCEL.EXE regsvr32.exe PID 904 wrote to memory of 4364 904 EXCEL.EXE regsvr32.exe PID 904 wrote to memory of 4464 904 EXCEL.EXE regsvr32.exe PID 904 wrote to memory of 4464 904 EXCEL.EXE regsvr32.exe PID 904 wrote to memory of 2228 904 EXCEL.EXE regsvr32.exe PID 904 wrote to memory of 2228 904 EXCEL.EXE regsvr32.exe PID 904 wrote to memory of 2832 904 EXCEL.EXE regsvr32.exe PID 904 wrote to memory of 2832 904 EXCEL.EXE regsvr32.exe PID 2832 wrote to memory of 32 2832 regsvr32.exe regsvr32.exe PID 2832 wrote to memory of 32 2832 regsvr32.exe regsvr32.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\attachments_338.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx2⤵
- Process spawned unexpected child process
PID:4364 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx2⤵
- Process spawned unexpected child process
PID:4464 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx2⤵
- Process spawned unexpected child process
PID:2228 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\SWphezglIbpJfCTrZ\NdxmqCMUgYkMxio.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:32
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\oxnv4.ooccxxFilesize
579KB
MD5f9ed067d143a93e7198ecbcb7e09ac7f
SHA1f92081a41de4f799d9b8ce53b23ffb760c067a13
SHA2561fb62f12bd42c92bb53297b184d7ef8a7a7f7367c18f44ec00aeb77047ab2e8f
SHA5124b2d2c27b46f831bf1b0ea162de8e2d250f122d0226f62b217fbd826eecb3b9330b1431408bb934a6c6c9436548e888d564283e8b83a0067ead70516e8f2f87e
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C:\Users\Admin\oxnv4.ooccxxFilesize
579KB
MD5f9ed067d143a93e7198ecbcb7e09ac7f
SHA1f92081a41de4f799d9b8ce53b23ffb760c067a13
SHA2561fb62f12bd42c92bb53297b184d7ef8a7a7f7367c18f44ec00aeb77047ab2e8f
SHA5124b2d2c27b46f831bf1b0ea162de8e2d250f122d0226f62b217fbd826eecb3b9330b1431408bb934a6c6c9436548e888d564283e8b83a0067ead70516e8f2f87e
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C:\Windows\System32\SWphezglIbpJfCTrZ\NdxmqCMUgYkMxio.dllFilesize
579KB
MD5f9ed067d143a93e7198ecbcb7e09ac7f
SHA1f92081a41de4f799d9b8ce53b23ffb760c067a13
SHA2561fb62f12bd42c92bb53297b184d7ef8a7a7f7367c18f44ec00aeb77047ab2e8f
SHA5124b2d2c27b46f831bf1b0ea162de8e2d250f122d0226f62b217fbd826eecb3b9330b1431408bb934a6c6c9436548e888d564283e8b83a0067ead70516e8f2f87e
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memory/32-148-0x0000000000000000-mapping.dmp
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memory/904-136-0x00007FFB54410000-0x00007FFB54420000-memory.dmpFilesize
64KB
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memory/904-137-0x00007FFB51AB0000-0x00007FFB51AC0000-memory.dmpFilesize
64KB
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memory/904-138-0x00007FFB51AB0000-0x00007FFB51AC0000-memory.dmpFilesize
64KB
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memory/904-132-0x00007FFB54410000-0x00007FFB54420000-memory.dmpFilesize
64KB
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memory/904-135-0x00007FFB54410000-0x00007FFB54420000-memory.dmpFilesize
64KB
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memory/904-134-0x00007FFB54410000-0x00007FFB54420000-memory.dmpFilesize
64KB
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memory/904-133-0x00007FFB54410000-0x00007FFB54420000-memory.dmpFilesize
64KB
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memory/2228-141-0x0000000000000000-mapping.dmp
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memory/2832-142-0x0000000000000000-mapping.dmp
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memory/2832-145-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
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memory/4364-139-0x0000000000000000-mapping.dmp
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memory/4464-140-0x0000000000000000-mapping.dmp