Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:45
Behavioral task
behavioral1
Sample
5573a5c9fb974b174ab028b3910cf0d1829bb4e88ca78b1f79048f8b7bc70fbe.xls
Resource
win10-20220414-en
General
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Target
5573a5c9fb974b174ab028b3910cf0d1829bb4e88ca78b1f79048f8b7bc70fbe.xls
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Size
95KB
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MD5
aab3a7c7b7c6553c038d546d6cbbb291
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SHA1
cac232c9441d3d07e568de7676ede0924c42beb6
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SHA256
5573a5c9fb974b174ab028b3910cf0d1829bb4e88ca78b1f79048f8b7bc70fbe
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SHA512
fbd58b8cf3fcbc8af6db113d3f20c79d46c9e325dac0a97a94e3ae076264281dba36f4a7e3457700eeacf89ee736f74677b923093937d5758e3bf18ecf3ae222
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 3404 2648 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4996 2648 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4380 2648 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 916 2648 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 3404 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 2648 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3404 regsvr32.exe 3404 regsvr32.exe 5036 regsvr32.exe 5036 regsvr32.exe 5036 regsvr32.exe 5036 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2648 EXCEL.EXE 2648 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 2648 wrote to memory of 3404 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 3404 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 4996 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 4996 2648 EXCEL.EXE regsvr32.exe PID 3404 wrote to memory of 5036 3404 regsvr32.exe regsvr32.exe PID 3404 wrote to memory of 5036 3404 regsvr32.exe regsvr32.exe PID 2648 wrote to memory of 4380 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 4380 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 916 2648 EXCEL.EXE regsvr32.exe PID 2648 wrote to memory of 916 2648 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\5573a5c9fb974b174ab028b3910cf0d1829bb4e88ca78b1f79048f8b7bc70fbe.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\BNcWVAIYq\OUvdbJBHsA.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
MD5f11508f0ade62c43b3805ebb3900d120
SHA1430d41e08eff11465a8f68caae67f34474740d48
SHA256adc5054f48edc8ae59769cfb932315a36199a0ade47e20d546d0875ce2d83896
SHA51210eff4069efe7ecee738c79eb81c8d2dd3b0a5ffcbcad6314629cff607a1132c5cfb237270bb09b42bc3e66e02c661ae60c541a984e9b14febd2ac2e222fad34
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\Users\Admin\soci1.ocxFilesize
312KB
MD5f11508f0ade62c43b3805ebb3900d120
SHA1430d41e08eff11465a8f68caae67f34474740d48
SHA256adc5054f48edc8ae59769cfb932315a36199a0ade47e20d546d0875ce2d83896
SHA51210eff4069efe7ecee738c79eb81c8d2dd3b0a5ffcbcad6314629cff607a1132c5cfb237270bb09b42bc3e66e02c661ae60c541a984e9b14febd2ac2e222fad34
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memory/916-274-0x0000000000000000-mapping.dmp
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memory/2648-118-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmpFilesize
64KB
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memory/2648-119-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmpFilesize
64KB
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memory/2648-120-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmpFilesize
64KB
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memory/2648-129-0x00007FF94FA40000-0x00007FF94FA50000-memory.dmpFilesize
64KB
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memory/2648-130-0x00007FF94FA40000-0x00007FF94FA50000-memory.dmpFilesize
64KB
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memory/2648-117-0x00007FF9532C0000-0x00007FF9532D0000-memory.dmpFilesize
64KB
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memory/3404-251-0x0000000000000000-mapping.dmp
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memory/3404-254-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4380-271-0x0000000000000000-mapping.dmp
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memory/4996-262-0x0000000000000000-mapping.dmp
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memory/5036-263-0x0000000000000000-mapping.dmp