Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:24
Behavioral task
behavioral1
Sample
64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.xls
Resource
win10-20220414-en
General
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Target
64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.xls
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Size
95KB
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MD5
21db9a15033232c8de2741a7dfa350b1
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SHA1
2436629f905b691f262d30fe5541d29e3d94e226
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SHA256
64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab
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SHA512
c23b3469b9bd9cedd69d6eea670b455a864334c1503d3181db2cc33801d61db8f58e94366bf63764ba36af6f87b08eda119507ddd9bb5927f0791916b2ef3c02
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 3580 3896 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3880 3896 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4624 3896 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3508 3896 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 3580 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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 3896 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3580 regsvr32.exe 3580 regsvr32.exe 5040 regsvr32.exe 5040 regsvr32.exe 5040 regsvr32.exe 5040 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3896 EXCEL.EXE 3896 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 3896 wrote to memory of 3580 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 3580 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 3880 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 3880 3896 EXCEL.EXE regsvr32.exe PID 3580 wrote to memory of 5040 3580 regsvr32.exe regsvr32.exe PID 3580 wrote to memory of 5040 3580 regsvr32.exe regsvr32.exe PID 3896 wrote to memory of 4624 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 4624 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 3508 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 3508 3896 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\64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.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\MyeRK\Yrjv.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
MD5f48a369d748e286b262959a745eb5929
SHA16d0d202886f38bb94fea04e0c72de3b9f8c5ee65
SHA256b46082c606863a69a396dcbd2b471aa71ce52fd430e9e5482cb96869a2ca93ba
SHA512afb2085c1eda4d8a130ff0d2332b7dce8a8a0d54c0dfcad24fa249e733014fa0c7e2c5d1fbcbf24c857625c675d705059b4625247102127088fc067b1f8133f1
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\Users\Admin\soci1.ocxFilesize
312KB
MD5f48a369d748e286b262959a745eb5929
SHA16d0d202886f38bb94fea04e0c72de3b9f8c5ee65
SHA256b46082c606863a69a396dcbd2b471aa71ce52fd430e9e5482cb96869a2ca93ba
SHA512afb2085c1eda4d8a130ff0d2332b7dce8a8a0d54c0dfcad24fa249e733014fa0c7e2c5d1fbcbf24c857625c675d705059b4625247102127088fc067b1f8133f1
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memory/3508-273-0x0000000000000000-mapping.dmp
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memory/3580-251-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/3580-248-0x0000000000000000-mapping.dmp
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memory/3880-261-0x0000000000000000-mapping.dmp
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memory/3896-126-0x00007FF8341A0000-0x00007FF8341B0000-memory.dmpFilesize
64KB
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memory/3896-127-0x00007FF8341A0000-0x00007FF8341B0000-memory.dmpFilesize
64KB
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memory/3896-117-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/3896-116-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/3896-114-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/3896-115-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/4624-270-0x0000000000000000-mapping.dmp
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memory/5040-262-0x0000000000000000-mapping.dmp