Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13/01/2025, 02:42 UTC
Static task
static1
Behavioral task
behavioral1
Sample
b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe
Resource
win10v2004-20241007-en
General
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Target
b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe
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Size
5.2MB
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MD5
54e383ca658ebd3caaf586f032f1c401
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SHA1
bc013aace5491c65a869e944123a4344cea6c1f0
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SHA256
b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb
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SHA512
4d10c2f888b5f56b59341e1dee5c53f56f2d81a9034eda36182bfd04246274d1fdee85b3ceccd5677ae8608626c2952ddd30fbe730dac54e405983c2a35fe51c
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SSDEEP
49152:UTyQOnGEoOozdSv3U4Yn0+U0vN52S7aoRPWicuRX3EYqDqmjVNiIhnU/hHYBWZh0:KSv31WaZlah4q1W61nH/a
Malware Config
Signatures
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\Desktop\Wallpaper = "\\\\?\\C:\\Users\\Admin\\AppData\\Local\\Temp\\downloaded_wallpaper.jpg" b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\gl.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ps.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\lt.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\mng2.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\uz-cyrl.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ga.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\hy.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\hi.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ta.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\fi.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\he.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-localization-l1-2-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ug.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ku.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l1-2-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\gu.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ext.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\fr.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\is.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-processthreads-l1-1-1.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\kk.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\az.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ro.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\an.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ja.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-runtime-l1-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\History.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\yo.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-conio-l1-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\ko.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\7z.exe.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\nl.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\sw.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\7-zip32.dll.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\Lang\hr.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe File opened for modification C:\Program Files\7-Zip\readme.txt.Lock b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe -
Runs net.exe
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3132 wrote to memory of 4680 3132 b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe 84 PID 3132 wrote to memory of 4680 3132 b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe 84 PID 4680 wrote to memory of 2556 4680 net.exe 85 PID 4680 wrote to memory of 2556 4680 net.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe"C:\Users\Admin\AppData\Local\Temp\b1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe"1⤵
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\system32\net.exe"net" session2⤵
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 session3⤵PID:2556
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Network
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Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
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Remote address:8.8.8.8:53Requesti.imgur.comIN AResponsei.imgur.comIN CNAMEipv4.imgur.map.fastly.netipv4.imgur.map.fastly.netIN A199.232.196.193ipv4.imgur.map.fastly.netIN A199.232.192.193
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GEThttps://i.imgur.com/mlUvWYT.jpegb1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exeRemote address:199.232.196.193:443RequestGET /mlUvWYT.jpeg HTTP/1.1
accept: */*
host: i.imgur.com
ResponseHTTP/1.1 200 OK
Content-Length: 238067
Content-Type: image/jpeg
Last-Modified: Wed, 01 Jan 2025 13:41:08 GMT
ETag: "2fada8c05467d606e2675c5860da662a"
x-amz-server-side-encryption: AES256
X-Amz-Cf-Pop: IAD61-P5
X-Amz-Cf-Id: he0cE4opGpsqjkylt_j3TXr7H3iv5Y8O7vQDtnJAM4F5NhN0jejlLg==
cache-control: public, max-age=31536000
Accept-Ranges: bytes
Age: 997300
Date: Mon, 13 Jan 2025 02:42:48 GMT
X-Served-By: cache-iad-kiad7000108-IAD, cache-lcy-eglc8600077-LCY
X-Cache: Miss from cloudfront, HIT, HIT
X-Cache-Hits: 42, 0
X-Timer: S1736736168.452290,VS0,VE1
Strict-Transport-Security: max-age=300
Access-Control-Allow-Methods: GET, OPTIONS
Access-Control-Allow-Origin: *
Server: cat factory 1.0
X-Content-Type-Options: nosniff
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Remote address:8.8.8.8:53Request196.249.167.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request193.196.232.199.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request172.210.232.199.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request14.160.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request149.220.183.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request197.87.175.4.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request171.39.242.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request11.164.16.2.in-addr.arpaIN PTRResponse11.164.16.2.in-addr.arpaIN PTRa2-16-164-11deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request133.130.81.91.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request172.214.232.199.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request89.65.42.20.in-addr.arpaIN PTRResponse
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199.232.196.193:443https://i.imgur.com/mlUvWYT.jpegtls, httpb1ef7b267d887e34bf0242a94b38e7dc9fd5e6f8b2c5c440ce4ec98cc74642fb.exe4.9kB 252.5kB 99 190
HTTP Request
GET https://i.imgur.com/mlUvWYT.jpegHTTP Response
200
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66 B 90 B 1 1
DNS Request
8.8.8.8.in-addr.arpa
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57 B 128 B 1 1
DNS Request
i.imgur.com
DNS Response
199.232.196.193199.232.192.193
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73 B 147 B 1 1
DNS Request
196.249.167.52.in-addr.arpa
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74 B 128 B 1 1
DNS Request
193.196.232.199.in-addr.arpa
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74 B 128 B 1 1
DNS Request
172.210.232.199.in-addr.arpa
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72 B 158 B 1 1
DNS Request
14.160.190.20.in-addr.arpa
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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73 B 147 B 1 1
DNS Request
149.220.183.52.in-addr.arpa
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71 B 157 B 1 1
DNS Request
197.87.175.4.in-addr.arpa
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72 B 158 B 1 1
DNS Request
171.39.242.20.in-addr.arpa
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70 B 133 B 1 1
DNS Request
11.164.16.2.in-addr.arpa
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72 B 147 B 1 1
DNS Request
133.130.81.91.in-addr.arpa
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74 B 128 B 1 1
DNS Request
172.214.232.199.in-addr.arpa
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70 B 156 B 1 1
DNS Request
89.65.42.20.in-addr.arpa