Analysis
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max time kernel
94s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16-03-2023 17:48
Behavioral task
behavioral1
Sample
DOCUMENT 8.doc
Resource
win7-20230220-en
General
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Target
DOCUMENT 8.doc
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Size
505.4MB
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MD5
25d19b15d963fc2749f7b84c63936a8f
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SHA1
4bdae276c0475d01be1eb5946ac5cc8bce5d92d3
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SHA256
3000e062ceff0ab1b081015ee1d95b284cb226d58995baf66c5048559591e195
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SHA512
24a6683d6300bc1eecba8a7861666b104c52df4002db0594df70bc7abb8ebe6c8baa9de1bf99eccc7a8f7d8cc3a2951bec7ddd88add2bc95dd28bd3f9815f5bd
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SSDEEP
6144:NeWM86RZzwTFQR9jD77fyO0XwBh12DD2JfCFFyinWLqcRJ:EWnE8FQvTfx0XwBz4D0aFjM
Malware Config
Extracted
emotet
Epoch5
103.85.95.4:8080
103.224.241.74:8080
178.238.225.252:8080
37.59.103.148:8080
78.47.204.80:443
138.197.14.67:8080
128.199.242.164:8080
54.37.228.122:443
37.44.244.177:8080
139.59.80.108:8080
218.38.121.17:443
82.98.180.154:7080
114.79.130.68:443
159.65.135.222:7080
174.138.33.49:7080
195.77.239.39:8080
193.194.92.175:443
198.199.70.22:8080
85.214.67.203:8080
93.84.115.205:7080
186.250.48.5:443
46.101.98.60:8080
160.16.143.191:8080
64.227.55.231:8080
175.126.176.79:8080
85.25.120.45:8080
178.62.112.199:8080
185.148.169.10:8080
128.199.217.206:443
103.41.204.169:8080
209.239.112.82:8080
202.28.34.99:8080
139.196.72.155:8080
87.106.97.83:7080
93.104.209.107:8080
104.244.79.94:443
115.178.55.22:80
83.229.80.93:8080
103.254.12.236:7080
62.171.178.147:8080
Signatures
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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 1936 4504 regsvr32.exe WINWORD.EXE -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1936 regsvr32.exe 3380 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 -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 41 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4504 WINWORD.EXE 4504 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1936 regsvr32.exe 1936 regsvr32.exe 3380 regsvr32.exe 3380 regsvr32.exe 3380 regsvr32.exe 3380 regsvr32.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 4504 WINWORD.EXE 4504 WINWORD.EXE 4504 WINWORD.EXE 4504 WINWORD.EXE 4504 WINWORD.EXE 4504 WINWORD.EXE 4504 WINWORD.EXE 4504 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 4504 wrote to memory of 1936 4504 WINWORD.EXE regsvr32.exe PID 4504 wrote to memory of 1936 4504 WINWORD.EXE regsvr32.exe PID 1936 wrote to memory of 3380 1936 regsvr32.exe regsvr32.exe PID 1936 wrote to memory of 3380 1936 regsvr32.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\DOCUMENT 8.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\184934.tmp"2⤵
- 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\RAltaNqYIwQaE\TBXyVMWEdieW.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\184934.tmpFilesize
300KB
MD527c6e6bc4b46148fb4dcc6a6a9346914
SHA1065d7e71a66ef077b07ea28d7e26b07ea5a26c86
SHA256aa57889a91be96c5b5cae185792f5ad76eb5248abb66344a740266a1c297cfd7
SHA5123b50da2b20c50c07d9ad916623ee9da5455f2724567a171943959226dee18bc359de10f0638a34b50c51ba7e539f4845167f52b9f083966dd8a3f3a3454bba26
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C:\Users\Admin\AppData\Local\Temp\184934.tmpFilesize
300KB
MD527c6e6bc4b46148fb4dcc6a6a9346914
SHA1065d7e71a66ef077b07ea28d7e26b07ea5a26c86
SHA256aa57889a91be96c5b5cae185792f5ad76eb5248abb66344a740266a1c297cfd7
SHA5123b50da2b20c50c07d9ad916623ee9da5455f2724567a171943959226dee18bc359de10f0638a34b50c51ba7e539f4845167f52b9f083966dd8a3f3a3454bba26
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C:\Windows\System32\RAltaNqYIwQaE\TBXyVMWEdieW.dllFilesize
300KB
MD527c6e6bc4b46148fb4dcc6a6a9346914
SHA1065d7e71a66ef077b07ea28d7e26b07ea5a26c86
SHA256aa57889a91be96c5b5cae185792f5ad76eb5248abb66344a740266a1c297cfd7
SHA5123b50da2b20c50c07d9ad916623ee9da5455f2724567a171943959226dee18bc359de10f0638a34b50c51ba7e539f4845167f52b9f083966dd8a3f3a3454bba26
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memory/1936-159-0x0000000000B70000-0x0000000000B9C000-memory.dmpFilesize
176KB
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memory/1936-162-0x0000000000AF0000-0x0000000000AF1000-memory.dmpFilesize
4KB
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memory/4504-133-0x00007FFC91930000-0x00007FFC91940000-memory.dmpFilesize
64KB
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memory/4504-134-0x00007FFC91930000-0x00007FFC91940000-memory.dmpFilesize
64KB
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memory/4504-135-0x00007FFC91930000-0x00007FFC91940000-memory.dmpFilesize
64KB
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memory/4504-136-0x00007FFC91930000-0x00007FFC91940000-memory.dmpFilesize
64KB
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memory/4504-137-0x00007FFC91930000-0x00007FFC91940000-memory.dmpFilesize
64KB
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memory/4504-138-0x00007FFC8F000000-0x00007FFC8F010000-memory.dmpFilesize
64KB
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memory/4504-139-0x00007FFC8F000000-0x00007FFC8F010000-memory.dmpFilesize
64KB