Analysis
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max time kernel
104s -
max time network
139s -
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 23:49
Behavioral task
behavioral1
Sample
56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450.doc
Resource
win10-20230220-en
General
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Target
56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450.doc
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Size
226KB
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MD5
22edd303f28f432bf8f89ec959819ae8
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SHA1
3b25e29328339c5a2eef8d3140015ff47fe541c1
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SHA256
56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450
-
SHA512
0cb8241ec4e9eb8476d082f9fd2a28dfc0b60e544b4cd5eab6f8696caa94a5060d97c1894bf228f7b21feaf5aa568513ee0fd46f2e1dd4914f4076384862c103
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SSDEEP
3072:brrCtKZF4eqZ627NHRxMvOwvzpl+vk6jZc:5F4eqYwHMvfvzpKk6Nc
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 4972 1316 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 4972 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 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 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 1316 WINWORD.EXE 1316 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 4972 regsvr32.exe 4972 regsvr32.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 1316 WINWORD.EXE 1316 WINWORD.EXE 1316 WINWORD.EXE 1316 WINWORD.EXE 1316 WINWORD.EXE 1316 WINWORD.EXE 1316 WINWORD.EXE 1316 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 1316 wrote to memory of 4972 1316 WINWORD.EXE regsvr32.exe PID 1316 wrote to memory of 4972 1316 WINWORD.EXE regsvr32.exe PID 4972 wrote to memory of 4112 4972 regsvr32.exe regsvr32.exe PID 4972 wrote to memory of 4112 4972 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.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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\56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\234920.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\DqiSCgFhzNw\TPcw.dll"3⤵PID:4112
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
532.9MB
MD57291fb9bc7cccec7e9688247e80bf297
SHA163ebf96550a6e38539de9e9cbbe976a5855675a4
SHA256bbaa295c4c2882f357aca0f1f9b6032523431c1e4dd98c998e5e06484f594694
SHA5126dcf445f45e1571f15900d93523d220b9dc6c502ed712a65d173dde7b46c869cf0899c7b21d8de5bf5f7f8e173b5cc7a1af2d41566b8b683c9d5661de6e0c9e9
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Filesize
972KB
MD5c76d027912f9086d5b8d9b76b1ac9ef7
SHA1f872776d63771045c1282d12cf8534199a3e541f
SHA2563f2c75b08cc17faeb29e627a22bc8b8fd57d5c7731be8a2376a5c177551af026
SHA51289c73a5cd9636b9b1af9ed7a0962b7e1673a546fcec4177a8f00ee71409694ac150e0abc7facf077b0816696cc3dc430014edc59f110f23b066618ca03b6abb7
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Filesize
532.9MB
MD57291fb9bc7cccec7e9688247e80bf297
SHA163ebf96550a6e38539de9e9cbbe976a5855675a4
SHA256bbaa295c4c2882f357aca0f1f9b6032523431c1e4dd98c998e5e06484f594694
SHA5126dcf445f45e1571f15900d93523d220b9dc6c502ed712a65d173dde7b46c869cf0899c7b21d8de5bf5f7f8e173b5cc7a1af2d41566b8b683c9d5661de6e0c9e9