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Analysis
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max time kernel
144s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2024, 02:58 UTC
Static task
static1
Behavioral task
behavioral1
Sample
winserv.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
winserv.exe
Resource
win10v2004-20241007-en
General
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Target
winserv.exe
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Size
10.2MB
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MD5
3f4f5a6cb95047fea6102bd7d2226aa9
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SHA1
fc09dd898b6e7ff546e4a7517a715928fbafc297
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SHA256
99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98
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SHA512
de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688
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SSDEEP
196608:iz+UZcWP4jBrfWgEgIV8Rzy7Vj4FZvEo:i6UZcWWeVj4FZ
Malware Config
Signatures
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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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation winserv.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\AgentRunOnce = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winserv.exe" winserv.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winserv.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4384 winserv.exe 4384 winserv.exe 4384 winserv.exe 4384 winserv.exe 4384 winserv.exe 4384 winserv.exe 3764 winserv.exe 3764 winserv.exe 3764 winserv.exe 3764 winserv.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4384 winserv.exe Token: SeTakeOwnershipPrivilege 3764 winserv.exe Token: SeTcbPrivilege 3764 winserv.exe Token: SeTcbPrivilege 3764 winserv.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4384 winserv.exe 4384 winserv.exe 4384 winserv.exe 4384 winserv.exe 3764 winserv.exe 3764 winserv.exe 3764 winserv.exe 3764 winserv.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\winserv.exe"C:\Users\Admin\AppData\Local\Temp\winserv.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4384 -
C:\Users\Admin\AppData\Local\Temp\winserv.exeC:\Users\Admin\AppData\Local\Temp\winserv.exe -second2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3764
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Network
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Remote address:8.8.8.8:53Request228.249.119.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestrms-server.tektonit.ruIN AResponserms-server.tektonit.ruIN CNAMEmain.internetid.rumain.internetid.ruIN A95.213.205.83
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Remote address:8.8.8.8:53Request83.205.213.95.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request68.159.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request88.156.103.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request28.118.140.52.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:8.8.8.8:53Request13.86.106.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request212.20.149.52.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:8.8.8.8:53Request13.227.111.52.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 CNAMEax-0001.ax-msedge.netax-0001.ax-msedge.netIN A150.171.27.10ax-0001.ax-msedge.netIN A150.171.28.10
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239339388265_1Y6BSXJHTYRP4XCJW&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90Remote address:150.171.27.10:443RequestGET /th?id=OADD2.10239339388265_1Y6BSXJHTYRP4XCJW&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 1093976
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&ndcParam=QUZE"}]}
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: 1196746501EC4208889CF7BA05D4863D Ref B: LON601060105029 Ref C: 2024-10-20T03:00:48Z
date: Sun, 20 Oct 2024 03:00:47 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239398629831_1XETNM7TBCG6PTKQG&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90Remote address:150.171.27.10:443RequestGET /th?id=OADD2.10239398629831_1XETNM7TBCG6PTKQG&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 800536
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&ndcParam=QUZE"}]}
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: 20E4B67CE8E34E3E924A0F9B48AC30AA Ref B: LON601060105029 Ref C: 2024-10-20T03:00:48Z
date: Sun, 20 Oct 2024 03:00:47 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239340418544_1U65HGUXV07UFEU5B&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90Remote address:150.171.27.10:443RequestGET /th?id=OADD2.10239340418544_1U65HGUXV07UFEU5B&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 644823
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&ndcParam=QUZE"}]}
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: CEB2E995FB514BB497B676D7CE89B0DD Ref B: LON601060105029 Ref C: 2024-10-20T03:00:48Z
date: Sun, 20 Oct 2024 03:00:47 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239340418543_1PQIQEA9PYCCTOZ9T&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90Remote address:150.171.27.10:443RequestGET /th?id=OADD2.10239340418543_1PQIQEA9PYCCTOZ9T&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 748526
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&ndcParam=QUZE"}]}
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: 8A3AC012E271480CA96E5542EE64D6C6 Ref B: LON601060105029 Ref C: 2024-10-20T03:00:48Z
date: Sun, 20 Oct 2024 03:00:47 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239339388264_1YUAPSJ7CT2934NCP&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90Remote address:150.171.27.10:443RequestGET /th?id=OADD2.10239339388264_1YUAPSJ7CT2934NCP&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 786549
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&ndcParam=QUZE"}]}
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: 02E6FFCA348C4BAEAD601B97C48EE9BE Ref B: LON601060105029 Ref C: 2024-10-20T03:00:48Z
date: Sun, 20 Oct 2024 03:00:47 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239398629832_1AECK4YD8K87JKVB5&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90Remote address:150.171.27.10:443RequestGET /th?id=OADD2.10239398629832_1AECK4YD8K87JKVB5&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 488443
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&ndcParam=QUZE"}]}
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: 3D95F862660C406DAEBA3D07E136BF7C Ref B: LON601060105029 Ref C: 2024-10-20T03:00:48Z
date: Sun, 20 Oct 2024 03:00:48 GMT
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Remote address:8.8.8.8:53Request10.27.171.150.in-addr.arpaIN PTRResponse
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2.2kB 1.4kB 20 22
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1.2kB 6.9kB 15 13
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1.2kB 6.9kB 15 13
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150.171.27.10:443https://tse1.mm.bing.net/th?id=OADD2.10239398629832_1AECK4YD8K87JKVB5&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90tls, http2189.6kB 4.7MB 3455 3446
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239339388265_1Y6BSXJHTYRP4XCJW&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239398629831_1XETNM7TBCG6PTKQG&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239340418544_1U65HGUXV07UFEU5B&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239340418543_1PQIQEA9PYCCTOZ9T&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239339388264_1YUAPSJ7CT2934NCP&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239398629832_1AECK4YD8K87JKVB5&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90HTTP Response
200 -
1.2kB 6.9kB 15 13
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1.2kB 6.9kB 15 13
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73 B 159 B 1 1
DNS Request
228.249.119.40.in-addr.arpa
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68 B 114 B 1 1
DNS Request
rms-server.tektonit.ru
DNS Response
95.213.205.83
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72 B 143 B 1 1
DNS Request
83.205.213.95.in-addr.arpa
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72 B 158 B 1 1
DNS Request
68.159.190.20.in-addr.arpa
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72 B 158 B 1 1
DNS Request
88.156.103.20.in-addr.arpa
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72 B 158 B 1 1
DNS Request
28.118.140.52.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
13.86.106.20.in-addr.arpa
-
72 B 146 B 1 1
DNS Request
212.20.149.52.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
171.39.242.20.in-addr.arpa
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72 B 158 B 1 1
DNS Request
13.227.111.52.in-addr.arpa
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62 B 170 B 1 1
DNS Request
tse1.mm.bing.net
DNS Response
150.171.27.10150.171.28.10
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72 B 158 B 1 1
DNS Request
10.27.171.150.in-addr.arpa