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Analysis
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max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2024, 02:47 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe
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Size
99KB
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MD5
78456c16b70af612ff510e8990560088
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SHA1
223b37bd469de1fefd4a5c3fd59b0e11c9ff8acc
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SHA256
cc1f0e6ef85f881b9f5056e87054e8467cecd73247e9bba478368de3ce1e58e8
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SHA512
ad9837cf01849af3c20938b6fd535feff49a1450d5f597c1f0eccc92fccf968a0b376f00158c1592d7a70fa8b1b122c2cc9cc3d9151b6c3a4cf1b2887bc70f51
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJjG:V6a+pOtEvwDpjtzp
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000022745-12.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000022745-12.dat CryptoLocker_set1 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation 2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3240 asih.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 816 wrote to memory of 3240 816 2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe 89 PID 816 wrote to memory of 3240 816 2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe 89 PID 816 wrote to memory of 3240 816 2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3240
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Network
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Remote address:8.8.8.8:53Request217.106.137.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request217.106.137.52.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Request68.159.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request68.159.190.20.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Request240.221.184.93.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request240.221.184.93.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Requestemrlogistics.comIN AResponseemrlogistics.comIN CNAMEtraff-5.hugedomains.comtraff-5.hugedomains.comIN CNAMEhdr-nlb7-aebd5d615260636b.elb.us-east-1.amazonaws.comhdr-nlb7-aebd5d615260636b.elb.us-east-1.amazonaws.comIN A54.161.222.85hdr-nlb7-aebd5d615260636b.elb.us-east-1.amazonaws.comIN A34.205.242.146
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Remote address:8.8.8.8:53Request9.228.82.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request13.86.106.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request26.165.165.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request41.110.16.96.in-addr.arpaIN PTRResponse41.110.16.96.in-addr.arpaIN PTRa96-16-110-41deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request206.23.85.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request119.110.54.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request104.241.123.92.in-addr.arpaIN PTRResponse104.241.123.92.in-addr.arpaIN PTRa92-123-241-104deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request0.205.248.87.in-addr.arpaIN PTRResponse0.205.248.87.in-addr.arpaIN PTRhttps-87-248-205-0lgwllnwnet
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Remote address:8.8.8.8:53Requesttse1.mm.bing.netIN AResponsetse1.mm.bing.netIN CNAMEmm-mm.bing.net.trafficmanager.netmm-mm.bing.net.trafficmanager.netIN CNAMEdual-a-0001.a-msedge.netdual-a-0001.a-msedge.netIN A204.79.197.200dual-a-0001.a-msedge.netIN A13.107.21.200
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Remote address:8.8.8.8:53Request43.58.199.20.in-addr.arpaIN PTRResponse
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239339388154_1KR8187UL6AEJXP9O&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239339388154_1KR8187UL6AEJXP9O&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
ResponseHTTP/2.0 200
content-length: 319078
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 5D528A24300C4AF9907D1DE94316C046 Ref B: LON04EDGE0711 Ref C: 2024-03-08T02:48:13Z
date: Fri, 08 Mar 2024 02:48:13 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301413_1FLIQOLD75SBT6IE1&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301413_1FLIQOLD75SBT6IE1&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
ResponseHTTP/2.0 200
content-length: 397360
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 959CD595A1DB4383A528F804D4881ABE Ref B: LON04EDGE0711 Ref C: 2024-03-08T02:48:13Z
date: Fri, 08 Mar 2024 02:48:13 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239340418607_15GIAV8TOK7UC4KMM&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239340418607_15GIAV8TOK7UC4KMM&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
ResponseHTTP/2.0 200
content-length: 306382
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 7A81C158C3AF433EB8C8AB0469C7AD06 Ref B: LON04EDGE0711 Ref C: 2024-03-08T02:48:13Z
date: Fri, 08 Mar 2024 02:48:13 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317300980_1Y89D7707MB791W26&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317300980_1Y89D7707MB791W26&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
ResponseHTTP/2.0 200
content-length: 380064
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: BD5B0888241247E88D237CA9484B5A6C Ref B: LON04EDGE0711 Ref C: 2024-03-08T02:48:13Z
date: Fri, 08 Mar 2024 02:48:13 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239339388153_13FTM7MCWH2TFKYR9&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239339388153_13FTM7MCWH2TFKYR9&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
ResponseHTTP/2.0 200
content-length: 391052
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 50B896CEC8444870AADC6FF1ABD4BCD1 Ref B: LON04EDGE0711 Ref C: 2024-03-08T02:48:13Z
date: Fri, 08 Mar 2024 02:48:13 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239340418608_1Q6O2BHJAWL0R6QXX&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239340418608_1Q6O2BHJAWL0R6QXX&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
ResponseHTTP/2.0 200
content-length: 359833
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: F9AB8D10D3704140A3918AAE877BBC7A Ref B: LON04EDGE0711 Ref C: 2024-03-08T02:48:14Z
date: Fri, 08 Mar 2024 02:48:14 GMT
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Remote address:8.8.8.8:53Request200.197.79.204.in-addr.arpaIN PTRResponse200.197.79.204.in-addr.arpaIN PTRa-0001a-msedgenet
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Remote address:8.8.8.8:53Request211.178.17.96.in-addr.arpaIN PTRResponse211.178.17.96.in-addr.arpaIN PTRa96-17-178-211deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request211.178.17.96.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Request233.17.178.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request45.19.74.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request45.19.74.20.in-addr.arpaIN PTR
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260 B 5
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260 B 5
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260 B 5
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1.3kB 8.1kB 17 14
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1.2kB 8.1kB 16 13
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1.3kB 9.5kB 17 15
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204.79.197.200:443https://tse1.mm.bing.net/th?id=OADD2.10239340418608_1Q6O2BHJAWL0R6QXX&pid=21.2&w=1080&h=1920&c=4tls, http281.7kB 2.2MB 1639 1633
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239339388154_1KR8187UL6AEJXP9O&pid=21.2&w=1080&h=1920&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301413_1FLIQOLD75SBT6IE1&pid=21.2&w=1080&h=1920&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239340418607_15GIAV8TOK7UC4KMM&pid=21.2&w=1920&h=1080&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317300980_1Y89D7707MB791W26&pid=21.2&w=1920&h=1080&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239339388153_13FTM7MCWH2TFKYR9&pid=21.2&w=1920&h=1080&c=4HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239340418608_1Q6O2BHJAWL0R6QXX&pid=21.2&w=1080&h=1920&c=4HTTP Response
200 -
1.3kB 9.5kB 17 14
-
260 B 5
-
260 B 5
-
260 B 5
-
260 B 5
-
52 B 1
-
146 B 147 B 2 1
DNS Request
217.106.137.52.in-addr.arpa
DNS Request
217.106.137.52.in-addr.arpa
-
144 B 158 B 2 1
DNS Request
68.159.190.20.in-addr.arpa
DNS Request
68.159.190.20.in-addr.arpa
-
146 B 144 B 2 1
DNS Request
240.221.184.93.in-addr.arpa
DNS Request
240.221.184.93.in-addr.arpa
-
62 B 192 B 1 1
DNS Request
emrlogistics.com
DNS Response
54.161.222.8534.205.242.146
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70 B 156 B 1 1
DNS Request
9.228.82.20.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
13.86.106.20.in-addr.arpa
-
72 B 146 B 1 1
DNS Request
26.165.165.52.in-addr.arpa
-
71 B 135 B 1 1
DNS Request
41.110.16.96.in-addr.arpa
-
71 B 145 B 1 1
DNS Request
206.23.85.13.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
119.110.54.20.in-addr.arpa
-
73 B 139 B 1 1
DNS Request
104.241.123.92.in-addr.arpa
-
71 B 116 B 1 1
DNS Request
0.205.248.87.in-addr.arpa
-
62 B 173 B 1 1
DNS Request
tse1.mm.bing.net
DNS Response
204.79.197.20013.107.21.200
-
71 B 157 B 1 1
DNS Request
43.58.199.20.in-addr.arpa
-
73 B 106 B 1 1
DNS Request
200.197.79.204.in-addr.arpa
-
144 B 137 B 2 1
DNS Request
211.178.17.96.in-addr.arpa
DNS Request
211.178.17.96.in-addr.arpa
-
72 B 146 B 1 1
DNS Request
233.17.178.52.in-addr.arpa
-
140 B 156 B 2 1
DNS Request
45.19.74.20.in-addr.arpa
DNS Request
45.19.74.20.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
99KB
MD5a796d86d5358b5912f1998932d30db90
SHA17f5d20fd192a62f77b28379dddde25b4034dbf2a
SHA256604c89be8cc1da4dc67932996346f2e482b2d99b07d5fa94595f39b2808b6979
SHA51239c58104c125446da8a6c2263eb9ea001f6133c4d4a5cf85a0b0f69c2f1fcdcdf21dc8c254ebefeee1987eb2b88761b71040b3c232ade773a3625893353bb8fc