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Analysis
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max time kernel
140s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2023, 11:33 UTC
Static task
static1
Behavioral task
behavioral1
Sample
b8927667665cd905df862bf91706bc2c60558dd92f0f78e29d1d73ab75034d21.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b8927667665cd905df862bf91706bc2c60558dd92f0f78e29d1d73ab75034d21.dll
Resource
win10v2004-20230915-en
General
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Target
b8927667665cd905df862bf91706bc2c60558dd92f0f78e29d1d73ab75034d21.dll
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Size
500KB
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MD5
49dd09749ea45bcf8b32364a5e8a8fca
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SHA1
295977f62d795b7fd5388c3d76e66bd3253a1662
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SHA256
b8927667665cd905df862bf91706bc2c60558dd92f0f78e29d1d73ab75034d21
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SHA512
95babffba8456c8e6ad91bb61fe85dd3230ae477959b16ae244746c23ea501122c88a18f7c74eaf364b83d3c71f40933066eddcc50912fece933d8b3021dece1
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SSDEEP
12288:OZg+5A/UQeyH5opDTm7XwqAJb6kHIkw8GZfyf:OZgOA/UQeyHyDT6gqO
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4208 wrote to memory of 2104 4208 rundll32.exe 83 PID 4208 wrote to memory of 2104 4208 rundll32.exe 83 PID 4208 wrote to memory of 2104 4208 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b8927667665cd905df862bf91706bc2c60558dd92f0f78e29d1d73ab75034d21.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b8927667665cd905df862bf91706bc2c60558dd92f0f78e29d1d73ab75034d21.dll,#12⤵PID:2104
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Network
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Remote address:8.8.8.8:53Request17.160.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request8.3.197.209.in-addr.arpaIN PTRResponse8.3.197.209.in-addr.arpaIN PTRvip0x008map2sslhwcdnnet
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request158.240.127.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request205.47.74.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2.136.104.51.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request208.194.73.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request157.123.68.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request15.164.165.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request254.209.247.8.in-addr.arpaIN PTRResponse
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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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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301225_1DZROXCI1NKORI8W4&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301225_1DZROXCI1NKORI8W4&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: 410629
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: 56D5BE0401F247A0A9295DEE98DE1039 Ref B: BRU30EDGE0609 Ref C: 2023-10-11T11:35:11Z
date: Wed, 11 Oct 2023 11:35:10 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301634_10VKNY6NZN82LU9UT&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301634_10VKNY6NZN82LU9UT&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: 463110
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: A1DAC383B2274EE29A2617900EFC39FD Ref B: BRU30EDGE0609 Ref C: 2023-10-11T11:35:11Z
date: Wed, 11 Oct 2023 11:35:10 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301464_1CE37Y0LCXUHN5MGE&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301464_1CE37Y0LCXUHN5MGE&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: 345904
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: D96C017A9CFB4F79A0FDA01C611F4E57 Ref B: BRU30EDGE0609 Ref C: 2023-10-11T11:35:11Z
date: Wed, 11 Oct 2023 11:35:10 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301031_1USZWHXG9N9DXQDDC&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301031_1USZWHXG9N9DXQDDC&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: 467039
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: 74C4807D6D3D455599C927D6C6F871FD Ref B: BRU30EDGE0609 Ref C: 2023-10-11T11:35:11Z
date: Wed, 11 Oct 2023 11:35:10 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301013_1R2AO9YZ4I5BGB4K2&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301013_1R2AO9YZ4I5BGB4K2&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: 350429
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: BC9EC76B052E4BF4B815EC401D75A3E4 Ref B: BRU30EDGE0609 Ref C: 2023-10-11T11:35:11Z
date: Wed, 11 Oct 2023 11:35:11 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301446_1EN88Z1GJDY90F0IF&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301446_1EN88Z1GJDY90F0IF&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: 344167
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: DBA05069223D414FB8521BE3A9D606EF Ref B: BRU30EDGE0609 Ref C: 2023-10-11T11:35:12Z
date: Wed, 11 Oct 2023 11:35:11 GMT
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Remote address:8.8.8.8:53Request48.229.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request10.173.189.20.in-addr.arpaIN PTRResponse
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204.79.197.200:443https://tse1.mm.bing.net/th?id=OADD2.10239317301446_1EN88Z1GJDY90F0IF&pid=21.2&w=1080&h=1920&c=4tls, http289.3kB 2.5MB 1792 1786
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301225_1DZROXCI1NKORI8W4&pid=21.2&w=1920&h=1080&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301634_10VKNY6NZN82LU9UT&pid=21.2&w=1080&h=1920&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301464_1CE37Y0LCXUHN5MGE&pid=21.2&w=1080&h=1920&c=4HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301031_1USZWHXG9N9DXQDDC&pid=21.2&w=1920&h=1080&c=4HTTP Response
200HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301013_1R2AO9YZ4I5BGB4K2&pid=21.2&w=1920&h=1080&c=4HTTP Response
200HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301446_1EN88Z1GJDY90F0IF&pid=21.2&w=1080&h=1920&c=4HTTP Response
200 -
1.2kB 8.2kB 16 13
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1.2kB 8.3kB 16 14
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1.3kB 9.7kB 17 15
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72 B 158 B 1 1
DNS Request
17.160.190.20.in-addr.arpa
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70 B 111 B 1 1
DNS Request
8.3.197.209.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
158.240.127.40.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
205.47.74.20.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
2.136.104.51.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
208.194.73.20.in-addr.arpa
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72 B 146 B 1 1
DNS Request
157.123.68.40.in-addr.arpa
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72 B 146 B 1 1
DNS Request
15.164.165.52.in-addr.arpa
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72 B 126 B 1 1
DNS Request
254.209.247.8.in-addr.arpa
-
62 B 173 B 1 1
DNS Request
tse1.mm.bing.net
DNS Response
204.79.197.20013.107.21.200
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72 B 158 B 1 1
DNS Request
48.229.111.52.in-addr.arpa
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72 B 158 B 1 1
DNS Request
10.173.189.20.in-addr.arpa