Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:33
Behavioral task
behavioral1
Sample
a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e.xls
Resource
win10-20220414-en
General
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Target
a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e.xls
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Size
95KB
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MD5
2fe3e3ee8a482e8d50dadd62b9e76489
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SHA1
ca0e50979240b40ecf7cd914b894e9ae776ab82d
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SHA256
a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e
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SHA512
87d0d4f4f8b57254bdce3753ed33058fdf30d2fb5aad41ae82d60964d86e127ffb2afa46701d21fd06b62148f456148cd2f68e07f0972d187b607d606928dfec
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
Extracted
emotet
Epoch4
94.23.45.86:4143
209.97.163.214:443
212.24.98.99:8080
103.43.75.120:443
183.111.227.137:8080
197.242.150.244:8080
129.232.188.93:443
159.65.88.10:8080
163.44.196.120:8080
51.161.73.194:443
164.90.222.65:443
159.89.202.34:443
1.234.2.232:8080
150.95.66.124:8080
51.91.76.89:8080
196.218.30.83:443
5.9.116.246:8080
146.59.226.45:443
173.212.193.249:8080
213.241.20.155:443
213.239.212.5:443
207.148.79.14:8080
51.254.140.238:7080
45.235.8.30:8080
147.139.166.154:8080
64.227.100.222:8080
82.165.152.127:8080
172.105.226.75:8080
131.100.24.231:80
206.189.28.199:8080
151.106.112.196:8080
119.193.124.41:7080
45.176.232.124:443
79.137.35.198:8080
186.194.240.217:443
103.70.28.102:8080
159.65.140.115:443
104.168.155.143:8080
45.118.115.99:8080
115.68.227.76:8080
72.15.201.15:8080
144.202.108.116:8080
37.187.115.122:8080
110.232.117.186:8080
209.126.98.206:8080
172.104.251.154:8080
82.223.21.224:8080
101.50.0.91:8080
103.132.242.26:8080
201.94.166.162:443
185.4.135.165:8080
160.16.142.56:8080
107.170.39.149:8080
134.122.66.193:8080
139.59.126.41:443
149.56.131.28:8080
91.207.28.33:8080
164.68.99.3:8080
188.44.20.25:443
103.75.201.2:443
167.172.253.162:8080
158.69.222.101:443
153.126.146.25:7080
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 2248 1840 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4088 1840 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4368 1840 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3020 1840 regsvr32.exe EXCEL.EXE -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 2248 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 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 1840 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 2248 regsvr32.exe 2248 regsvr32.exe 1364 regsvr32.exe 1364 regsvr32.exe 1364 regsvr32.exe 1364 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 1840 wrote to memory of 2248 1840 EXCEL.EXE regsvr32.exe PID 1840 wrote to memory of 2248 1840 EXCEL.EXE regsvr32.exe PID 1840 wrote to memory of 4088 1840 EXCEL.EXE regsvr32.exe PID 1840 wrote to memory of 4088 1840 EXCEL.EXE regsvr32.exe PID 1840 wrote to memory of 4368 1840 EXCEL.EXE regsvr32.exe PID 1840 wrote to memory of 4368 1840 EXCEL.EXE regsvr32.exe PID 2248 wrote to memory of 1364 2248 regsvr32.exe regsvr32.exe PID 2248 wrote to memory of 1364 2248 regsvr32.exe regsvr32.exe PID 1840 wrote to memory of 3020 1840 EXCEL.EXE regsvr32.exe PID 1840 wrote to memory of 3020 1840 EXCEL.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\a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e.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\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\TERHnT\pNsIRlPlVFLd.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\soci1.ocxFilesize
312KB
MD531fb0cce78cea1f6c279679ae552f340
SHA1358ae722120e8225094d359e679c3b4ced8f5ba3
SHA256872621fd553897f3f15c99e7850f9437df419834df25c363fbfc1749ddd83ad7
SHA512855ab29ffbb84004d6754935a68769afbc112ddf0a2a8333076480815397064f743692366fbddefe277905166cf37e983c6716e9a564c1440da0a8f1c1dc993a
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\Users\Admin\soci1.ocxFilesize
312KB
MD531fb0cce78cea1f6c279679ae552f340
SHA1358ae722120e8225094d359e679c3b4ced8f5ba3
SHA256872621fd553897f3f15c99e7850f9437df419834df25c363fbfc1749ddd83ad7
SHA512855ab29ffbb84004d6754935a68769afbc112ddf0a2a8333076480815397064f743692366fbddefe277905166cf37e983c6716e9a564c1440da0a8f1c1dc993a
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memory/1364-278-0x0000000000000000-mapping.dmp
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memory/1840-118-0x00007FF821480000-0x00007FF821490000-memory.dmpFilesize
64KB
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memory/1840-119-0x00007FF821480000-0x00007FF821490000-memory.dmpFilesize
64KB
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memory/1840-120-0x00007FF821480000-0x00007FF821490000-memory.dmpFilesize
64KB
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memory/1840-129-0x00007FF81DF30000-0x00007FF81DF40000-memory.dmpFilesize
64KB
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memory/1840-130-0x00007FF81DF30000-0x00007FF81DF40000-memory.dmpFilesize
64KB
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memory/1840-117-0x00007FF821480000-0x00007FF821490000-memory.dmpFilesize
64KB
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memory/2248-259-0x0000000000000000-mapping.dmp
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memory/2248-262-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/3020-284-0x0000000000000000-mapping.dmp
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memory/4088-272-0x0000000000000000-mapping.dmp
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memory/4368-275-0x0000000000000000-mapping.dmp