Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:20
Behavioral task
behavioral1
Sample
1ce7ca93241398e2234d706cad61c01d489d6177f71c9cb0f66c25b995ab8bb8.xls
Resource
win10-20220414-en
General
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Target
1ce7ca93241398e2234d706cad61c01d489d6177f71c9cb0f66c25b995ab8bb8.xls
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Size
95KB
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MD5
3396dd0f3eeef0d6d386ddf4abd5dd0f
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SHA1
fb7980cfecf5adea5102f205ca2187e2340cc735
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SHA256
1ce7ca93241398e2234d706cad61c01d489d6177f71c9cb0f66c25b995ab8bb8
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SHA512
acc7e7f469bf28669703aaf15dad43708815730eb171fb8feca6f7cc76bfa96fe0650051767e04a51e7bd577bb13b16a0e2f906c36707e50c1b23b9fa1c27c38
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 4444 3052 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4860 3052 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 644 3052 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 588 3052 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 4444 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 3052 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4444 regsvr32.exe 4444 regsvr32.exe 4864 regsvr32.exe 4864 regsvr32.exe 4864 regsvr32.exe 4864 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3052 EXCEL.EXE 3052 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE 3052 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 3052 wrote to memory of 4444 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 4444 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 4860 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 4860 3052 EXCEL.EXE regsvr32.exe PID 4444 wrote to memory of 4864 4444 regsvr32.exe regsvr32.exe PID 4444 wrote to memory of 4864 4444 regsvr32.exe regsvr32.exe PID 3052 wrote to memory of 644 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 644 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 588 3052 EXCEL.EXE regsvr32.exe PID 3052 wrote to memory of 588 3052 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\1ce7ca93241398e2234d706cad61c01d489d6177f71c9cb0f66c25b995ab8bb8.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\CycxMuwN\blNBBCR.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
MD5ddaa7039967baeac6ced9b1c16d1ddb9
SHA12062d45c2a1ac70d1492a3ffe860241f0b300900
SHA256538a5ee1e7b2a8fd269a59e9dc5372822ba4ca7334da514603625a319753a173
SHA512c2627aab4d764f7caa951cbdf9233b5e662b336d16a117b043606cb630890b7d38cda5e83731121be29d2050f53c68423031e9a0571ad70743a2c0c30c57654c
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\Users\Admin\soci1.ocxFilesize
312KB
MD5ddaa7039967baeac6ced9b1c16d1ddb9
SHA12062d45c2a1ac70d1492a3ffe860241f0b300900
SHA256538a5ee1e7b2a8fd269a59e9dc5372822ba4ca7334da514603625a319753a173
SHA512c2627aab4d764f7caa951cbdf9233b5e662b336d16a117b043606cb630890b7d38cda5e83731121be29d2050f53c68423031e9a0571ad70743a2c0c30c57654c
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memory/588-292-0x0000000000000000-mapping.dmp
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memory/644-289-0x0000000000000000-mapping.dmp
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memory/3052-118-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/3052-119-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/3052-120-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/3052-129-0x00007FF89DBB0000-0x00007FF89DBC0000-memory.dmpFilesize
64KB
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memory/3052-130-0x00007FF89DBB0000-0x00007FF89DBC0000-memory.dmpFilesize
64KB
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memory/3052-117-0x00007FF8A0F90000-0x00007FF8A0FA0000-memory.dmpFilesize
64KB
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memory/4444-267-0x0000000000000000-mapping.dmp
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memory/4444-270-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4860-280-0x0000000000000000-mapping.dmp
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memory/4864-281-0x0000000000000000-mapping.dmp