Analysis
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max time kernel
15s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-ja -
resource tags
arch:x64arch:x86image:win10v2004-20230220-jalocale:ja-jpos:windows10-2004-x64systemwindows -
submitted
10-03-2023 03:41
Behavioral task
behavioral1
Sample
PN9642931951_202303091502.doc
Resource
win7-20230220-ja
General
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Target
PN9642931951_202303091502.doc
-
Size
520.2MB
-
MD5
19b30426e432d8a7d7cf011ccfcbebc7
-
SHA1
5f721286ccaa5e028c3bded4d6db6065ec3905a9
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SHA256
2284acd02af6cfbde6b217b27f1f1a34928daa1e087dad2723dab685768e17f5
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SHA512
10f50a4fac0c4ca01d9f4cd6a5d1fb57e3114e1da90f44707160c668620a3f1aa9fbdd2b80b8c62eb985a041326f21dc5dc05ee5cd336d4011da027e7444142c
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SSDEEP
3072:vpt3LDPYvrTr3jvZNWGBStinoLVMcXyHtt5YC7EGIuGEMYDDK6:H3AvrTPRUGpmpXqWCoGIuGEMY
Malware Config
Extracted
emotet
Epoch4
129.232.188.93:443
164.90.222.65:443
159.65.88.10:8080
172.105.226.75:8080
115.68.227.76:8080
187.63.160.88:80
169.57.156.166:8080
185.4.135.165:8080
153.126.146.25:7080
197.242.150.244:8080
139.59.126.41:443
186.194.240.217:443
103.132.242.26:8080
206.189.28.199:8080
163.44.196.120:8080
95.217.221.146:8080
159.89.202.34:443
119.59.103.152:8080
183.111.227.137:8080
201.94.166.162:443
103.75.201.2:443
149.56.131.28:8080
79.137.35.198:8080
5.135.159.50:443
66.228.32.31:7080
91.121.146.47:8080
153.92.5.27:8080
45.235.8.30:8080
72.15.201.15:8080
107.170.39.149:8080
45.176.232.124:443
82.223.21.224:8080
167.172.199.165:8080
213.239.212.5:443
202.129.205.3:8080
94.23.45.86:4143
147.139.166.154:8080
167.172.253.162:8080
91.207.28.33:8080
188.44.20.25:443
104.168.155.143:8080
110.232.117.186:8080
164.68.99.3:8080
1.234.2.232:8080
173.212.193.249:8080
182.162.143.56:443
160.16.142.56:8080
101.50.0.91:8080
103.43.75.120:443
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 1316 4896 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1316 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4896 WINWORD.EXE 4896 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 1316 regsvr32.exe 1316 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
WINWORD.EXEpid process 4896 WINWORD.EXE 4896 WINWORD.EXE 4896 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 4896 WINWORD.EXE 4896 WINWORD.EXE 4896 WINWORD.EXE 4896 WINWORD.EXE 4896 WINWORD.EXE 4896 WINWORD.EXE 4896 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 4896 wrote to memory of 1316 4896 WINWORD.EXE regsvr32.exe PID 4896 wrote to memory of 1316 4896 WINWORD.EXE regsvr32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\PN9642931951_202303091502.doc" /o ""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
PID:4896 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\044651.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1316 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\PvcBYGckxDothoWjL\mdrrObfRzM.dll"3⤵PID:4888
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
531.5MB
MD5f64544cfce0287fdf9062605f884fc54
SHA1bd5470a805762a371d72a05e48ba397442e0a8e6
SHA25683f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513
SHA5122d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7
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Filesize
531.5MB
MD5f64544cfce0287fdf9062605f884fc54
SHA1bd5470a805762a371d72a05e48ba397442e0a8e6
SHA25683f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513
SHA5122d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7
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Filesize
816KB
MD59006266c667b8ed1106575f1a4306748
SHA1f765b6d7bf484b1c65a9dd1100b943e8f7c7c58f
SHA256a3944935bc55450b1ac718149f16f6c3cdf393ceda0594bfda5459ab09ce2c40
SHA51242f45536c6f77ef1615ccc807a7944551311bd4fcb36ea5fbbdd55d6bb759bb741fd77a9f55252608285cb8c2978030b265f79deeee96b724bb756a90475e7ce
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Filesize
531.5MB
MD5f64544cfce0287fdf9062605f884fc54
SHA1bd5470a805762a371d72a05e48ba397442e0a8e6
SHA25683f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513
SHA5122d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7
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Filesize
531.5MB
MD5f64544cfce0287fdf9062605f884fc54
SHA1bd5470a805762a371d72a05e48ba397442e0a8e6
SHA25683f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513
SHA5122d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7