Analysis
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max time kernel
140s -
max time network
143s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:33
Behavioral task
behavioral1
Sample
f4b95043b3ed71b857aaa892ad2406a413f6f6fc4b96389c29f84f24414fc4ff.xls
Resource
win10-20220414-en
General
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Target
f4b95043b3ed71b857aaa892ad2406a413f6f6fc4b96389c29f84f24414fc4ff.xls
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Size
95KB
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MD5
0ab24d0452668cd0826da9bd59f1b341
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SHA1
c007be6ebb969ac7c5e5e6175cb50199651b2a67
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SHA256
f4b95043b3ed71b857aaa892ad2406a413f6f6fc4b96389c29f84f24414fc4ff
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SHA512
61e72eeb52b24cb30af0f86d28137a2d60d1b5d28352554cf02cd18bc662dab1878b4328d9c7a703cf12fa1128b7ae92894ec390adc4945fe840a67c20a91136
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 3360 2096 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3936 2096 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1724 2096 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3568 2096 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 3360 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 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 2096 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3360 regsvr32.exe 3360 regsvr32.exe 3884 regsvr32.exe 3884 regsvr32.exe 3884 regsvr32.exe 3884 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2096 EXCEL.EXE 2096 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE 2096 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 2096 wrote to memory of 3360 2096 EXCEL.EXE regsvr32.exe PID 2096 wrote to memory of 3360 2096 EXCEL.EXE regsvr32.exe PID 2096 wrote to memory of 3936 2096 EXCEL.EXE regsvr32.exe PID 2096 wrote to memory of 3936 2096 EXCEL.EXE regsvr32.exe PID 3360 wrote to memory of 3884 3360 regsvr32.exe regsvr32.exe PID 3360 wrote to memory of 3884 3360 regsvr32.exe regsvr32.exe PID 2096 wrote to memory of 1724 2096 EXCEL.EXE regsvr32.exe PID 2096 wrote to memory of 1724 2096 EXCEL.EXE regsvr32.exe PID 2096 wrote to memory of 3568 2096 EXCEL.EXE regsvr32.exe PID 2096 wrote to memory of 3568 2096 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\f4b95043b3ed71b857aaa892ad2406a413f6f6fc4b96389c29f84f24414fc4ff.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- 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\GOZvlPOjaG\HjYEIUHrArdfr.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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\soci1.ocxFilesize
312KB
MD5eb1ad60e47b1779fd23d3ca670f197b7
SHA1b9382f3105bc4bcc47fce39003bf828896938520
SHA25629952ec9c16e7e7e0d118483542c66e0cb70f53e862fdad9801a18243e3ab3c6
SHA512950a06953805aa9e20adbe62cfcb50ae895d79083e8fec2631b44a2ffea23f65be81802207a7942986e71eff0b27695c46eda19307982b217e1afc65fcc23346
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\Users\Admin\soci1.ocxFilesize
312KB
MD5eb1ad60e47b1779fd23d3ca670f197b7
SHA1b9382f3105bc4bcc47fce39003bf828896938520
SHA25629952ec9c16e7e7e0d118483542c66e0cb70f53e862fdad9801a18243e3ab3c6
SHA512950a06953805aa9e20adbe62cfcb50ae895d79083e8fec2631b44a2ffea23f65be81802207a7942986e71eff0b27695c46eda19307982b217e1afc65fcc23346
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memory/1724-272-0x0000000000000000-mapping.dmp
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memory/2096-297-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/2096-128-0x00007FFAC4750000-0x00007FFAC4760000-memory.dmpFilesize
64KB
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memory/2096-129-0x00007FFAC4750000-0x00007FFAC4760000-memory.dmpFilesize
64KB
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memory/2096-119-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/2096-118-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/2096-117-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/2096-300-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/2096-298-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/2096-299-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/2096-116-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmpFilesize
64KB
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memory/3360-250-0x0000000000000000-mapping.dmp
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memory/3360-253-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/3568-275-0x0000000000000000-mapping.dmp
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memory/3884-264-0x0000000000000000-mapping.dmp
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memory/3936-263-0x0000000000000000-mapping.dmp