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Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2023, 20:26 UTC
Static task
static1
General
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Target
77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe
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Size
378KB
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MD5
b8cc7f181a4753e4688b5f734c3e6b1d
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SHA1
2e8a48c8c00b338dfc9e298a04712268751b5c55
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SHA256
77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b
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SHA512
d8019063c71cae8939f8e0ee9c9bdc0beb59a594de7506b38cfc650d25b6c389786a9f9b2db2adb48d5b7f26c703a10c672469dce05e544113130a691c4129f6
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SSDEEP
6144:TzCBCH557yGY/fjBximSLB5aAOki2+Bx80q+Fr0cItNj:TzRHr7yV3OW12TX+6j
Malware Config
Extracted
Family
mystic
C2
http://5.42.92.211/loghub/master
Signatures
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Detect Mystic stealer payload 5 IoCs
resource yara_rule behavioral1/memory/4836-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral1/memory/4836-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4276 set thread context of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 -
Program crash 1 IoCs
pid pid_target Process procid_target 4704 4276 WerFault.exe 85 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87 PID 4276 wrote to memory of 4836 4276 77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe"C:\Users\Admin\AppData\Local\Temp\77c71a53b36a9a61009ffede8222a75a0b02f319b9efec7fb0ab8e525db4f82b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4276 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:4836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 1522⤵
- Program crash
PID:4704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4276 -ip 42761⤵PID:5076
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:8.8.8.8:53Request241.154.82.20.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:5.42.92.211:80RequestPOST /loghub/master HTTP/1.1
Content-Type: multipart/form-data; boundary=R3VCmYE7bNc40PHQM4ym
Content-Length: 209
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.1)
Host: 5.42.92.211
Connection: Keep-Alive
Cache-Control: no-cache
ResponseHTTP/1.1 200 OK
Date: Fri, 06 Oct 2023 20:26:48 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 8
Connection: keep-alive
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Referrer-Policy: same-origin
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Remote address:8.8.8.8:53Request26.35.223.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request211.92.42.5.in-addr.arpaIN PTRResponse211.92.42.5.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Request54.120.234.20.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:8.8.8.8:53Request146.78.124.51.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request86.23.85.13.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:8.8.8.8:53Requesttse1.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=OADD2.10239317301094_1ZX0523MAABCARXR5&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301094_1ZX0523MAABCARXR5&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: 199000
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: 913DE911243046509AA2D12104FD5E17 Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
date: Fri, 06 Oct 2023 20:28:26 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301500_1UAMZFMFEP1QV3EDL&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301500_1UAMZFMFEP1QV3EDL&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: 459590
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: CBE535911B894E1AA26E773F7D54D348 Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
date: Fri, 06 Oct 2023 20:28:26 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301527_1R0WB31C7EYYSTJK4&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301527_1R0WB31C7EYYSTJK4&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: 342507
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: B11C5A7620B245119CEC1B8A74207B0A Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
date: Fri, 06 Oct 2023 20:28:26 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301067_1ZU6SE5I441HMK8LK&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301067_1ZU6SE5I441HMK8LK&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: 265561
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: C342CB7C719F4EBD8B9F220BE23423BF Ref B: BRU30EDGE0809 Ref C: 2023-10-06T20:28:26Z
date: Fri, 06 Oct 2023 20:28:26 GMT
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Remote address:8.8.8.8:53Request43.58.199.20.in-addr.arpaIN PTRResponse
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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:8.8.8.8:53Request10.173.189.20.in-addr.arpaIN PTRResponse
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748 B 436 B 6 4
HTTP Request
POST http://5.42.92.211/loghub/masterHTTP Response
200 -
1.2kB 8.3kB 16 14
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1.2kB 8.3kB 16 14
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1.2kB 8.3kB 16 14
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204.79.197.200:443https://tse1.mm.bing.net/th?id=OADD2.10239317301067_1ZU6SE5I441HMK8LK&pid=21.2&w=1920&h=1080&c=4tls, http249.8kB 1.3MB 963 959
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301094_1ZX0523MAABCARXR5&pid=21.2&w=1920&h=1080&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301500_1UAMZFMFEP1QV3EDL&pid=21.2&w=1080&h=1920&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301527_1R0WB31C7EYYSTJK4&pid=21.2&w=1080&h=1920&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301067_1ZU6SE5I441HMK8LK&pid=21.2&w=1920&h=1080&c=4HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200
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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
-
72 B 158 B 1 1
DNS Request
241.154.82.20.in-addr.arpa
-
73 B 147 B 1 1
DNS Request
158.240.127.40.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
26.35.223.20.in-addr.arpa
-
70 B 83 B 1 1
DNS Request
211.92.42.5.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
54.120.234.20.in-addr.arpa
-
71 B 135 B 1 1
DNS Request
41.110.16.96.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
146.78.124.51.in-addr.arpa
-
70 B 144 B 1 1
DNS Request
86.23.85.13.in-addr.arpa
-
72 B 146 B 1 1
DNS Request
15.164.165.52.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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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
-
72 B 158 B 1 1
DNS Request
10.173.189.20.in-addr.arpa