Analysis
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max time kernel
195s -
max time network
207s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 13:24 UTC
Behavioral task
behavioral1
Sample
37e7a9ee15394f64253ded7102651bc5.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
37e7a9ee15394f64253ded7102651bc5.pdf
Resource
win10v2004-20231215-en
General
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Target
37e7a9ee15394f64253ded7102651bc5.pdf
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Size
82KB
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MD5
37e7a9ee15394f64253ded7102651bc5
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SHA1
056e2344e3d0015104c6067ceb5cff25593744c1
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SHA256
687fe906afb5f05a5b0a8d61395417f97d4d0dd4ff82024c9f592d21c4b17936
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SHA512
b7188a78cf8b7507c42c7b15248d8557d4a5c9511d2d8116bf6edfbf4f69433eff3134b9ece93f804038658af6d0846e7bcc71ca1b39140cd57a94e13e0eac25
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SSDEEP
1536:7m37ZlrEW6OeueoSntwC9DX6xwtzdRdQwA79KTNVWHpOvTWCTFC4voyu1Srp5:y9teur6wCuczdfQjhKJzvvCFyCS
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4436 AcroRd32.exe 4436 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4436 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4436 AcroRd32.exe 4436 AcroRd32.exe 4436 AcroRd32.exe 4436 AcroRd32.exe 4436 AcroRd32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4436 wrote to memory of 4888 4436 AcroRd32.exe 93 PID 4436 wrote to memory of 4888 4436 AcroRd32.exe 93 PID 4436 wrote to memory of 4888 4436 AcroRd32.exe 93 PID 4436 wrote to memory of 4432 4436 AcroRd32.exe 97 PID 4436 wrote to memory of 4432 4436 AcroRd32.exe 97 PID 4436 wrote to memory of 4432 4436 AcroRd32.exe 97 PID 4436 wrote to memory of 3132 4436 AcroRd32.exe 100 PID 4436 wrote to memory of 3132 4436 AcroRd32.exe 100 PID 4436 wrote to memory of 3132 4436 AcroRd32.exe 100 PID 4436 wrote to memory of 5100 4436 AcroRd32.exe 104 PID 4436 wrote to memory of 5100 4436 AcroRd32.exe 104 PID 4436 wrote to memory of 5100 4436 AcroRd32.exe 104
Processes
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\37e7a9ee15394f64253ded7102651bc5.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:4888
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:4432
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:3132
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:5100
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Network
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Remote address:8.8.8.8:53Request187.178.17.96.in-addr.arpaIN PTRResponse187.178.17.96.in-addr.arpaIN PTRa96-17-178-187deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request20.177.190.20.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:8.8.8.8:53Request9.228.82.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request50.23.12.20.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:8.8.8.8:53Request171.39.242.20.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Request217.135.221.88.in-addr.arpaIN PTRResponse217.135.221.88.in-addr.arpaIN PTRa88-221-135-217deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request158.240.127.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request41.110.16.96.in-addr.arpaIN PTRResponse41.110.16.96.in-addr.arpaIN PTRa96-16-110-41deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request43.229.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request57.169.31.20.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:8.8.8.8:53Request173.178.17.96.in-addr.arpaIN PTRResponse173.178.17.96.in-addr.arpaIN PTRa96-17-178-173deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request135.240.123.92.in-addr.arpaIN PTRResponse135.240.123.92.in-addr.arpaIN PTRa92-123-240-135deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request194.178.17.96.in-addr.arpaIN PTRResponse194.178.17.96.in-addr.arpaIN PTRa96-17-178-194deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request90.135.221.88.in-addr.arpaIN PTRResponse90.135.221.88.in-addr.arpaIN PTRa88-221-135-90deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request88.156.103.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request88.156.103.20.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Request88.156.103.20.in-addr.arpaIN PTR
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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:8.8.8.8:53Requesttse1.mm.bing.netIN A
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301647_1WPCMGQFUBMCD0PLY&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301647_1WPCMGQFUBMCD0PLY&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: 204432
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: B4F28341DECF4757ACA0A20B40C04386 Ref B: LON04EDGE0609 Ref C: 2024-01-05T02:21:30Z
date: Fri, 05 Jan 2024 02:21:29 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301238_1VXAUBNO1JRUV536J&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301238_1VXAUBNO1JRUV536J&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: 166086
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: 710AE2EC3E10440F98491B6964F4490E Ref B: LON04EDGE0609 Ref C: 2024-01-05T02:21:30Z
date: Fri, 05 Jan 2024 02:21:29 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301110_1IQWPWO97O09A6G81&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301110_1IQWPWO97O09A6G81&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: 477179
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: CC368D4642A84477A7B2563E4B839FA3 Ref B: LON04EDGE0609 Ref C: 2024-01-05T02:21:30Z
date: Fri, 05 Jan 2024 02:21:30 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301217_1LGEUWZHPMKMEMITB&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301217_1LGEUWZHPMKMEMITB&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: 347587
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: D9F07877E57E441597892410AB514371 Ref B: LON04EDGE0609 Ref C: 2024-01-05T02:21:32Z
date: Fri, 05 Jan 2024 02:21:31 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301626_12UQHHQXE25HHMLCY&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301626_12UQHHQXE25HHMLCY&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: 324642
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: A707DF83C82047C58C32CC431C863872 Ref B: LON04EDGE0609 Ref C: 2024-01-05T02:21:40Z
date: Fri, 05 Jan 2024 02:21:39 GMT
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52 B 1
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204.79.197.200:443https://tse1.mm.bing.net/th?id=OADD2.10239317301626_12UQHHQXE25HHMLCY&pid=21.2&w=1080&h=1920&c=4tls, http252.6kB 1.5MB 1067 1060
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301647_1WPCMGQFUBMCD0PLY&pid=21.2&w=1080&h=1920&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301238_1VXAUBNO1JRUV536J&pid=21.2&w=1920&h=1080&c=4HTTP Response
200HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301110_1IQWPWO97O09A6G81&pid=21.2&w=1920&h=1080&c=4HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301217_1LGEUWZHPMKMEMITB&pid=21.2&w=1920&h=1080&c=4HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301626_12UQHHQXE25HHMLCY&pid=21.2&w=1080&h=1920&c=4HTTP Response
200 -
1.4kB 8.2kB 16 13
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1.5kB 8.3kB 16 14
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72 B 137 B 1 1
DNS Request
187.178.17.96.in-addr.arpa
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72 B 158 B 1 1
DNS Request
20.177.190.20.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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70 B 156 B 1 1
DNS Request
9.228.82.20.in-addr.arpa
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70 B 156 B 1 1
DNS Request
50.23.12.20.in-addr.arpa
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144 B 158 B 2 1
DNS Request
171.39.242.20.in-addr.arpa
DNS Request
171.39.242.20.in-addr.arpa
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73 B 139 B 1 1
DNS Request
217.135.221.88.in-addr.arpa
-
73 B 147 B 1 1
DNS Request
158.240.127.40.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
43.229.111.52.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
57.169.31.20.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
241.154.82.20.in-addr.arpa
-
72 B 137 B 1 1
DNS Request
173.178.17.96.in-addr.arpa
-
73 B 139 B 1 1
DNS Request
135.240.123.92.in-addr.arpa
-
72 B 137 B 1 1
DNS Request
194.178.17.96.in-addr.arpa
-
72 B 137 B 1 1
DNS Request
90.135.221.88.in-addr.arpa
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216 B 158 B 3 1
DNS Request
88.156.103.20.in-addr.arpa
DNS Request
88.156.103.20.in-addr.arpa
DNS Request
88.156.103.20.in-addr.arpa
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124 B 173 B 2 1
DNS Request
tse1.mm.bing.net
DNS Request
tse1.mm.bing.net
DNS Response
204.79.197.20013.107.21.200
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5