Analysis
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max time kernel
19s -
max time network
134s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
21-03-2023 23:36
Behavioral task
behavioral1
Sample
8694e16966fbae239c4c1789e84b49dc8d220a4aedc3cf5ed50233217dfa370e.doc
Resource
win10-20230220-en
General
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Target
8694e16966fbae239c4c1789e84b49dc8d220a4aedc3cf5ed50233217dfa370e.doc
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Size
266KB
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MD5
05d5a0135a7cf1a2c7f605ca32343498
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SHA1
bd341da3c68510ff8f597a8e2fd8907f3a72d3e7
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SHA256
8694e16966fbae239c4c1789e84b49dc8d220a4aedc3cf5ed50233217dfa370e
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SHA512
67ecc7625cd678d7aba5ef3e98cee5f9b2d07dfde85260f571eec6ad79cf80acf7c5f2fe3aec43ed94c9fbef950270d6ce76d2e3257840208a7bef1811699564
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SSDEEP
3072:QWuQOQXpp1ixQvZ3WFpAWNHXNxyZro+kir/qz5BSA4JYw2rFK9H:QVQ9CSZ0hNH9xy9xr/Y5sA4ivUZ
Malware Config
Extracted
emotet
Epoch4
213.239.212.5:443
129.232.188.93:443
103.43.75.120:443
197.242.150.244:8080
1.234.2.232:8080
110.232.117.186:8080
95.217.221.146:8080
159.89.202.34:443
159.65.88.10:8080
82.223.21.224:8080
169.57.156.166:8080
45.176.232.124:443
45.235.8.30:8080
173.212.193.249:8080
107.170.39.149:8080
119.59.103.152:8080
167.172.199.165:8080
91.207.28.33:8080
185.4.135.165:8080
104.168.155.143:8080
206.189.28.199:8080
79.137.35.198:8080
103.132.242.26:8080
202.129.205.3:8080
103.75.201.2:443
149.56.131.28:8080
5.135.159.50:443
172.105.226.75:8080
201.94.166.162:443
115.68.227.76:8080
164.90.222.65:443
186.194.240.217:443
153.126.146.25:7080
187.63.160.88:80
209.126.85.32:8080
72.15.201.15:8080
153.92.5.27:8080
167.172.253.162:8080
147.139.166.154:8080
163.44.196.120:8080
183.111.227.137:8080
139.59.126.41:443
164.68.99.3:8080
188.44.20.25:443
94.23.45.86:4143
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 4396 3752 regsvr32.exe WINWORD.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 opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3752 WINWORD.EXE 3752 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
WINWORD.EXEpid process 3752 WINWORD.EXE 3752 WINWORD.EXE 3752 WINWORD.EXE 3752 WINWORD.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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\8694e16966fbae239c4c1789e84b49dc8d220a4aedc3cf5ed50233217dfa370e.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\003644.tmp"2⤵
- Process spawned unexpected child process
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\BJqRhRWfTkjd\gSrNNU.dll"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\003644.tmpFilesize
514.9MB
MD589457cb5c8b296b5fb9a39218b485e1a
SHA19a3df9e57fba75eb6126aa320c8fbd9b521d57ca
SHA256fc76f47878fc0787c52a41798d49dd738e99b0faeca95832c9dab46f197b8e53
SHA51268ab88c161821358e9c7f367493295bbe9edec5a91c688748d88733dd27576329f4803ac04a1842f3b5ddbb4b65c4eb3cad7d82ec1b60f51a34d05425744cb5d
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C:\Users\Admin\AppData\Local\Temp\003645.zipFilesize
954KB
MD5c06392edadb4f10f66702d4f03e29d63
SHA140856c127fd0b17bc52ee08428b9c95a013fd260
SHA25650b72e3a3ee87aef79af3a0049a3aeb0b1851369ef5338a3e94986b29bad14eb
SHA512bab0e36638953081d73bf37b42d029df3487e003e844fb47e808dde94eafffffa97c54a43912b953e7c79ce65ce2f715ae02040008c8d7a10bc019fe68333aba
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\Users\Admin\AppData\Local\Temp\003644.tmpFilesize
514.9MB
MD589457cb5c8b296b5fb9a39218b485e1a
SHA19a3df9e57fba75eb6126aa320c8fbd9b521d57ca
SHA256fc76f47878fc0787c52a41798d49dd738e99b0faeca95832c9dab46f197b8e53
SHA51268ab88c161821358e9c7f367493295bbe9edec5a91c688748d88733dd27576329f4803ac04a1842f3b5ddbb4b65c4eb3cad7d82ec1b60f51a34d05425744cb5d
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memory/3752-124-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/3752-127-0x00007FFCFEF60000-0x00007FFCFEF70000-memory.dmpFilesize
64KB
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memory/3752-128-0x00007FFCFEF60000-0x00007FFCFEF70000-memory.dmpFilesize
64KB
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memory/3752-123-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/3752-122-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/3752-121-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/3752-454-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/3752-455-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/3752-457-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/3752-456-0x00007FFD01F10000-0x00007FFD01F20000-memory.dmpFilesize
64KB
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memory/4396-347-0x0000000002470000-0x00000000024CA000-memory.dmpFilesize
360KB
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memory/4396-359-0x0000000000A10000-0x0000000000A11000-memory.dmpFilesize
4KB