Analysis
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max time kernel
149s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
09-03-2023 14:12
Behavioral task
behavioral1
Sample
Doc-46771529, MX.doc
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Doc-46771529, MX.doc
Resource
win10v2004-20230220-en
General
-
Target
Doc-46771529, MX.doc
-
Size
515.2MB
-
MD5
acb9494e9dd6cb5027470040b415ab08
-
SHA1
bacb7ccd4bca7654d2d47c5b5a78ec29c40871d8
-
SHA256
209df91aee0f1bf760ffb4ed61b59402a14bf9d721f671ba487863be403e5083
-
SHA512
20086d852d92e447d7a53a28c0031d826bf293aa25bbc9ce128f894edb1a6525da418cb0059d18f86f6ad5bd04c49ed8c4ca8943d1b480cf61a86c49a448c015
-
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 660 2784 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 3 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 660 regsvr32.exe 844 regsvr32.exe 844 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\itFKkT.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\TWHbmi\\itFKkT.dll\"" 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 2784 WINWORD.EXE 2784 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 660 regsvr32.exe 660 regsvr32.exe 844 regsvr32.exe 844 regsvr32.exe 844 regsvr32.exe 844 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
WINWORD.EXEpid process 2784 WINWORD.EXE 2784 WINWORD.EXE 2784 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 2784 WINWORD.EXE 2784 WINWORD.EXE 2784 WINWORD.EXE 2784 WINWORD.EXE 2784 WINWORD.EXE 2784 WINWORD.EXE 2784 WINWORD.EXE 2784 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 2784 wrote to memory of 660 2784 WINWORD.EXE regsvr32.exe PID 2784 wrote to memory of 660 2784 WINWORD.EXE regsvr32.exe PID 660 wrote to memory of 844 660 regsvr32.exe regsvr32.exe PID 660 wrote to memory of 844 660 regsvr32.exe regsvr32.exe
Processes
-
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\Doc-46771529, MX.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:2784 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\151417.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:660 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\TWHbmi\itFKkT.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:844
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
516.5MB
MD51261349d9a052d9045af7d26e5e227bd
SHA1898d34fa2d6f2ad9c0cfd70f8a45f0a75b57495d
SHA25674cf3b7e6edf586d3fabd5995fcf1c2ade1f2dad05267b87f6bcb052770d8284
SHA512ce9773919c75c606fe561aa5619a3b2e750d498247e2ac49a869037cb6651ca2e1094400dc40112794e97f44aa292d1019f3454e90a5b441e065057ad8d1073e
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Filesize
516.5MB
MD51261349d9a052d9045af7d26e5e227bd
SHA1898d34fa2d6f2ad9c0cfd70f8a45f0a75b57495d
SHA25674cf3b7e6edf586d3fabd5995fcf1c2ade1f2dad05267b87f6bcb052770d8284
SHA512ce9773919c75c606fe561aa5619a3b2e750d498247e2ac49a869037cb6651ca2e1094400dc40112794e97f44aa292d1019f3454e90a5b441e065057ad8d1073e
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Filesize
801KB
MD5e05927c2656f7131080bee90835bf69b
SHA12d9523fac83b9813cbedd22dc531805124289793
SHA256256429622c3a0e45baf7c50e358fd6a8a9617ad03b2069e4404a48829183a5fc
SHA51215d7a761682d4ca293ebf977865f1d17b1e96df0f4e4dcee4f8ca658cd521ed1c8f532eae226ddcf51202c0c8bb9ffa9425baaae7f9a2bf0b6fdb34780d79ffc
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Filesize
516.5MB
MD51261349d9a052d9045af7d26e5e227bd
SHA1898d34fa2d6f2ad9c0cfd70f8a45f0a75b57495d
SHA25674cf3b7e6edf586d3fabd5995fcf1c2ade1f2dad05267b87f6bcb052770d8284
SHA512ce9773919c75c606fe561aa5619a3b2e750d498247e2ac49a869037cb6651ca2e1094400dc40112794e97f44aa292d1019f3454e90a5b441e065057ad8d1073e
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Filesize
516.5MB
MD51261349d9a052d9045af7d26e5e227bd
SHA1898d34fa2d6f2ad9c0cfd70f8a45f0a75b57495d
SHA25674cf3b7e6edf586d3fabd5995fcf1c2ade1f2dad05267b87f6bcb052770d8284
SHA512ce9773919c75c606fe561aa5619a3b2e750d498247e2ac49a869037cb6651ca2e1094400dc40112794e97f44aa292d1019f3454e90a5b441e065057ad8d1073e