Analysis
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max time kernel
18s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22-03-2023 16:17
Behavioral task
behavioral1
Sample
896596943605538321105519908.doc
Resource
win7-20230220-en
General
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Target
896596943605538321105519908.doc
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Size
270KB
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MD5
c8898ca0af2861682e1fb970ae4cdb7e
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SHA1
d58c7c6a2a86b825ca042c6b1493ac60e1d85c89
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SHA256
e054fee8e166f73b9213cbd2c4fb5b22ce158d7cc913878049ba3dbe70158592
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SHA512
471478f93a46c51693c6c81210f47b5d04508ee2028c812e6a258fb42d5c8dfc53b0754d64c33aa0e1c5481fdac4215439b3305240d53e7d910d023391e10edf
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SSDEEP
3072:FKQlkhFVDQxhkDzo0qT5e/UDrpgIAww6MVikUiAageLXQcXhq7P3PfdyY:FK+k5DQPkPq5pRO6ezw7P9y
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 2016 1712 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 32 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 1712 WINWORD.EXE 1712 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 1712 WINWORD.EXE 1712 WINWORD.EXE 1712 WINWORD.EXE 1712 WINWORD.EXE 1712 WINWORD.EXE 1712 WINWORD.EXE 1712 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 1712 wrote to memory of 2016 1712 WINWORD.EXE regsvr32.exe PID 1712 wrote to memory of 2016 1712 WINWORD.EXE regsvr32.exe
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\896596943605538321105519908.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:1712 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\161721.tmp"2⤵
- Process spawned unexpected child process
PID:2016 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\TEizLq\rqWoHrzF.dll"3⤵PID:2152
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
447.3MB
MD51e45b561fe0ca2a985608ded23a83e40
SHA1cea29b42609fb09a8c1e96eb0f905ea154b71702
SHA256f971fa4958bfe92388010ae74ec07e0669bf6819a9de8e96c5d1ed7442a97111
SHA5127529f65e617f9b86a629e7e1954fb97b1d5f1713a7cc758f1702fa8fac32762305528ef54c64038386181b51e261bd7d3fd62e72c61d0d3165632341fee1ba84
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Filesize
458.5MB
MD5e4d7297a9b2d758efcaa5d3edce2809c
SHA18f53b07f6394d3e2eb18d32d677587a0a9554f44
SHA256ce5c752451fee298e6bcc8e90d96599750c0d5dd3c7d085a8236a7eb97e2323c
SHA512173fde886dbfe93f457fe8603735812de2362fc8d58d4ed4f754f748965aa91a139e231f9bd6d7f432a3dfe50cc37eee7d1c0af38dbec6110eb868adfb3c66b6
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Filesize
972KB
MD577cfabf26034b53f7c2471e9aa073847
SHA19fb5c65d8c5e7fd0df8ca28ec5fe4a6e5a30c5b8
SHA25698ac85e40373cd16f6910cfd4bd092ab15a6eda3b513bd09da39b6a29fcb3504
SHA51225e37745433af2aeb85fa4c9d197efcde802025832b28aa173c89ca417ee42fe1106616d565c51bdda4cec13e8508f7f23aeacc431a010c5f4c68ce5d21040fc
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Filesize
453.0MB
MD591784e33d24f7180231f9f5f80215e98
SHA178dfc48829d1e6b65af4ac83857db7dc8c6f3cab
SHA256433377e27aad5d6ae3c41f5b5f2d1c2a3d7ba6ceb0e0aed05f94b82ffe8641cb
SHA512b8a0c0fd6523da14a92a48248b9b8bd7b58501877af218e5392afee44209f4bfb6505102a05e9176ddc0c11dad9dfa0b5f3efba952620b37e06772510b8d8f16