Analysis
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max time kernel
11s -
max time network
132s -
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
21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d.doc
Resource
win10-20230220-en
General
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Target
21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d.doc
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Size
195KB
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MD5
20579879faa3dd7fa2deff4dbf4188c2
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SHA1
d3be5954d5412c6e1e7940e1f965fed8a24da298
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SHA256
21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d
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SHA512
bf24a0b609d3d8df8fc03d7e4e3dbbd8d7d3c824b03eb28c3ef1da43e6de69006b2b4bf6879dd083be353d782fda12a6717fb318ae10c640218496a216ea17bf
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SSDEEP
3072:+lmdyGRYHL2mH+pAgZijNQkj6SpVbGEcr:+KaL2KzgZ+2SnGEc
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 688 4136 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 4136 WINWORD.EXE 4136 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
WINWORD.EXEpid process 4136 WINWORD.EXE 4136 WINWORD.EXE 4136 WINWORD.EXE 4136 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\21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4136 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\002935.tmp"2⤵
- Process spawned unexpected child process
PID:688 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\JoeyyJWiIdn\CVjbdULYQzHpCJCx.dll"3⤵PID:2584
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
400.1MB
MD55d7a7d5858b65fbbc7490785a4300d9d
SHA14363f882e904e3c5834cd9777a9d1945e5f9e74e
SHA25658b227e5229e27483f95725ffb5604613eeb38f70dbb3d36c29f62c7cd54ed9b
SHA5127231225446f5d6e3247bec5fed852808e50f72d3b88dbb20a1e7c2f654320459a4867a3563f4ab538833d69324c55c7c61b2d09c6ddaadb6244cb53a6b78809c
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Filesize
940KB
MD57759e67f90c999b669de99fcf7e43ad1
SHA1168f9fd913d5d3a683b754d6d580ccd8b2600909
SHA256b9cbac9190743e27160d2c1a6d0802a3b8977b60e8f4bb7865e62ab52374a37e
SHA512872f243f1c3f64611c145a2efe1dfacbb156572b50c22e6299cec8f9884bdfd59c35eaca99b7117ea2c23230ef24c8982960d05b5fd997a979e2b16b19d63a77
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Filesize
401.0MB
MD5832668c04c460ec0fd8f543e5f0bfecb
SHA1a46534b34c721b6e72a819c773f6306e76c564ea
SHA256eb42489531325768046d3ee2c792ceb4cff42291eec25f5ebabb8f2da86998c5
SHA512afbf3b9eac6174f4822004b7fc015e1f0113194a75d170a58f772ee509c51c19410a0989e63b00d6cef65602cfa79092a2ad82fecd9c10647099a31287a7ccc3