Analysis
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max time kernel
54s -
max time network
71s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
22-03-2023 23:08
Static task
static1
Behavioral task
behavioral1
Sample
73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2.vbs
Resource
win10-20230220-en
General
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Target
73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2.vbs
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Size
89KB
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MD5
7559f0ff4f7e58ed031fe0b4438f4c57
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SHA1
e2225573a8877c057319e10029fd85b0a51375a8
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SHA256
73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2
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SHA512
252d0a52c3b7bca5ea56a14c7ad1e27967b03e3dccfc3b8d79b8e1c474ed625937719af314e74f62583c708b45b937091e8fae7f1e40e56bf261d0f839f94e4a
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SSDEEP
384:6/EHPbchpdLrwUkRI8K5mAX3E53EnoUyd4989GgFWfYyLxgaHxixxOD/n3FiSf+y:6/EKr9ka8yZrgGayLpbng5s6n96
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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Blocklisted process makes network request 4 IoCs
Processes:
wscript.exeflow pid process 2 1648 wscript.exe 4 1648 wscript.exe 8 1648 wscript.exe 10 1648 wscript.exe -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 3920 regsvr32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Script User-Agent 3 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 2 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 10 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 3920 regsvr32.exe 3920 regsvr32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
WScript.exewscript.exeregsvr32.exedescription pid process target process PID 1744 wrote to memory of 1648 1744 WScript.exe wscript.exe PID 1744 wrote to memory of 1648 1744 WScript.exe wscript.exe PID 1648 wrote to memory of 3920 1648 wscript.exe regsvr32.exe PID 1648 wrote to memory of 3920 1648 wscript.exe regsvr32.exe PID 3920 wrote to memory of 1436 3920 regsvr32.exe regsvr32.exe PID 3920 wrote to memory of 1436 3920 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:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //E:vbscript C:\Users\Admin\AppData\Local\Temp\rad9880B0CABdarradACA69F815dar.txt2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" "C:\Users\Admin\AppData\Local\Temp\radFBE2FF178dar\HPKhTEMLxAwWRn14Bn9w1Sj9aW00.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\OJrSMSyWPhoaTC\nwcJ.dll"4⤵PID:1436
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
61KB
MD5958eb4fa0bfca295216cd6027977fcb8
SHA10bc88fb4229a73152b2c33750dd5b5be52fcf287
SHA2569b32ca5d8a34ae2351bc68500fb6929468c42d0ddda53fba5676410beab6d498
SHA5124e4e2d84ce82eaa222180e86a2feaa7fdb19108d227ca922c69d30e30ef1ed463c41d540c25f604edd04be86f8490ae8570d2b67a97e0f9f45d048954d32787f
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Filesize
951KB
MD595b5f04629c06a72e7e2c29cfc17e516
SHA154839f5f979b2da57294666ab15f9acd9359fbb9
SHA25692c64767f9e6e0fb2e0d880f835f16b12e21fbc00b2c6cc87c0e6a07bbe0d156
SHA512bf4a73243c95f88de75dff18e72887975639ae483d1f52d564d17f1df8b43167237f00e4851833adb055c5ee58617042b27504ba9b706156a030b9d92abded4e
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Filesize
511.9MB
MD50586fe01aea41856828a347dddf2121c
SHA13b3183691cede18ff4a8b35104c3dcc99c2583f8
SHA256c8a777959691f310d36c30f18f10f523be55fe55c86f7d3b556bd31ebb5d6126
SHA51237b99147f938426c81bd0628c99775ca8b94667bf4a2eab5660e301e01cad348c2552f74e9cdb97994e1f29aa7cd30d4c83e294f9e01a445034177f174a71c79
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Filesize
511.9MB
MD50586fe01aea41856828a347dddf2121c
SHA13b3183691cede18ff4a8b35104c3dcc99c2583f8
SHA256c8a777959691f310d36c30f18f10f523be55fe55c86f7d3b556bd31ebb5d6126
SHA51237b99147f938426c81bd0628c99775ca8b94667bf4a2eab5660e301e01cad348c2552f74e9cdb97994e1f29aa7cd30d4c83e294f9e01a445034177f174a71c79