Analysis
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max time kernel
141s -
max time network
143s -
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 23:29
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 532 4344 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 532 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 22 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4344 WINWORD.EXE 4344 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 532 regsvr32.exe 532 regsvr32.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 4344 WINWORD.EXE 4344 WINWORD.EXE 4344 WINWORD.EXE 4344 WINWORD.EXE 4344 WINWORD.EXE 4344 WINWORD.EXE 4344 WINWORD.EXE 4344 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 4344 wrote to memory of 532 4344 WINWORD.EXE regsvr32.exe PID 4344 wrote to memory of 532 4344 WINWORD.EXE regsvr32.exe PID 532 wrote to memory of 668 532 regsvr32.exe regsvr32.exe PID 532 wrote to memory of 668 532 regsvr32.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.
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Uses Volume Shadow Copy service COM API
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\002923.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\WgesvhvKiQfGl\haKoctiZ.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\002923.tmpFilesize
500.9MB
MD514ec6ab21eaa2e1250ead41fd8455bee
SHA165767515daf75de6f2a991b55ac3b2ab156d7816
SHA2561acd2c582eb7030a89269211f867b29bd7fe0d05328275066fc80c2c71787b42
SHA5128b4e188f47af93fdb97ef907f57f97dc40b06848bab4e86d5b292e2692c5781833e27e45002e8cb5ac3ae02370942d839062dfd33e6db46e4492b75cca55de95
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C:\Users\Admin\AppData\Local\Temp\002946.zipFilesize
940KB
MD57759e67f90c999b669de99fcf7e43ad1
SHA1168f9fd913d5d3a683b754d6d580ccd8b2600909
SHA256b9cbac9190743e27160d2c1a6d0802a3b8977b60e8f4bb7865e62ab52374a37e
SHA512872f243f1c3f64611c145a2efe1dfacbb156572b50c22e6299cec8f9884bdfd59c35eaca99b7117ea2c23230ef24c8982960d05b5fd997a979e2b16b19d63a77
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\Users\Admin\AppData\Local\Temp\002923.tmpFilesize
500.9MB
MD514ec6ab21eaa2e1250ead41fd8455bee
SHA165767515daf75de6f2a991b55ac3b2ab156d7816
SHA2561acd2c582eb7030a89269211f867b29bd7fe0d05328275066fc80c2c71787b42
SHA5128b4e188f47af93fdb97ef907f57f97dc40b06848bab4e86d5b292e2692c5781833e27e45002e8cb5ac3ae02370942d839062dfd33e6db46e4492b75cca55de95
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memory/532-336-0x0000000000A90000-0x0000000000A91000-memory.dmpFilesize
4KB
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memory/532-327-0x00000000024F0000-0x000000000254A000-memory.dmpFilesize
360KB
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memory/4344-125-0x00007FFEA9420000-0x00007FFEA9430000-memory.dmpFilesize
64KB
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memory/4344-269-0x0000018FE7580000-0x0000018FE76C8000-memory.dmpFilesize
1.3MB
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memory/4344-126-0x00007FFEA9420000-0x00007FFEA9430000-memory.dmpFilesize
64KB
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memory/4344-119-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB
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memory/4344-122-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB
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memory/4344-121-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB
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memory/4344-120-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB
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memory/4344-431-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB
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memory/4344-430-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB
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memory/4344-429-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB
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memory/4344-432-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmpFilesize
64KB