Analysis
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max time kernel
40s -
max time network
141s -
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 23:37
Behavioral task
behavioral1
Sample
c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368.doc
Resource
win10-20230220-en
General
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Target
c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368.doc
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Size
290KB
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MD5
9e165cbfb9c884725bbd4df0f83b139a
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SHA1
713a6d2bc02f69c677c15a6552185eca010394dd
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SHA256
c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368
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SHA512
cc0a6546df04e53546ab456d380c61b8859555e7219a34f42161157b157d59bfc31caff7b216be57186aa9d369fc7d2a0f64e2c9bf53956941b779478b52261f
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SSDEEP
3072:Fnmahvzr1u2/MbZWMRch0bND6b38zFjjac92mM0WDTAG7UaVGVFoQ9cTMsTViEdp:YkvgZWth0bd6b3QnJ2JbuaaqTMCJp
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 4012 4156 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 27 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4156 WINWORD.EXE 4156 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
WINWORD.EXEpid process 4156 WINWORD.EXE 4156 WINWORD.EXE 4156 WINWORD.EXE 4156 WINWORD.EXE 4156 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 4156 wrote to memory of 4012 4156 WINWORD.EXE regsvr32.exe PID 4156 wrote to memory of 4012 4156 WINWORD.EXE regsvr32.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\c7cb8dbdcd8cfdb6d2440080afc3e715b6984b5ab2b88e9919fbb70136325368.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\003735.tmp"2⤵
- Process spawned unexpected child process
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\XQJCBx\uUXEAOIJfpnlh.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\003735.tmpFilesize
500.9MB
MD514ec6ab21eaa2e1250ead41fd8455bee
SHA165767515daf75de6f2a991b55ac3b2ab156d7816
SHA2561acd2c582eb7030a89269211f867b29bd7fe0d05328275066fc80c2c71787b42
SHA5128b4e188f47af93fdb97ef907f57f97dc40b06848bab4e86d5b292e2692c5781833e27e45002e8cb5ac3ae02370942d839062dfd33e6db46e4492b75cca55de95
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C:\Users\Admin\AppData\Local\Temp\003758.zipFilesize
940KB
MD57759e67f90c999b669de99fcf7e43ad1
SHA1168f9fd913d5d3a683b754d6d580ccd8b2600909
SHA256b9cbac9190743e27160d2c1a6d0802a3b8977b60e8f4bb7865e62ab52374a37e
SHA512872f243f1c3f64611c145a2efe1dfacbb156572b50c22e6299cec8f9884bdfd59c35eaca99b7117ea2c23230ef24c8982960d05b5fd997a979e2b16b19d63a77
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\Users\Admin\AppData\Local\Temp\003735.tmpFilesize
500.9MB
MD514ec6ab21eaa2e1250ead41fd8455bee
SHA165767515daf75de6f2a991b55ac3b2ab156d7816
SHA2561acd2c582eb7030a89269211f867b29bd7fe0d05328275066fc80c2c71787b42
SHA5128b4e188f47af93fdb97ef907f57f97dc40b06848bab4e86d5b292e2692c5781833e27e45002e8cb5ac3ae02370942d839062dfd33e6db46e4492b75cca55de95
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memory/4012-348-0x00000000025A0000-0x00000000025FA000-memory.dmpFilesize
360KB
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memory/4012-360-0x0000000000A70000-0x0000000000A71000-memory.dmpFilesize
4KB
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memory/4156-124-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB
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memory/4156-127-0x00007FFCDB730000-0x00007FFCDB740000-memory.dmpFilesize
64KB
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memory/4156-129-0x00007FFCDB730000-0x00007FFCDB740000-memory.dmpFilesize
64KB
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memory/4156-123-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB
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memory/4156-122-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB
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memory/4156-121-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB
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memory/4156-453-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB
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memory/4156-454-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB
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memory/4156-456-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB
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memory/4156-455-0x00007FFCDF250000-0x00007FFCDF260000-memory.dmpFilesize
64KB