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Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16/04/2024, 10:08 UTC
Static task
static1
Behavioral task
behavioral1
Sample
3c43c273329967a735e5a2775edfa84f195e15492262b5a3fde0bad3a2e3eeab.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3c43c273329967a735e5a2775edfa84f195e15492262b5a3fde0bad3a2e3eeab.xls
Resource
win10v2004-20240412-en
General
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Target
3c43c273329967a735e5a2775edfa84f195e15492262b5a3fde0bad3a2e3eeab.xls
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Size
3.9MB
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MD5
0bccf4196b3aaaf8a0b16f64f52bf58f
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SHA1
11b77825fc60ce2ca222e490e1472ffc02f34f85
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SHA256
3c43c273329967a735e5a2775edfa84f195e15492262b5a3fde0bad3a2e3eeab
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SHA512
a9e6c0388f6b136d1b0a1a09bd524fe2cd25d74432e6878d4f9db1979a334287dd0055fa5b0959cadc9239ef67decefddbd44b099aa4088049c38f01d7763e45
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SSDEEP
12288:+OuUfY7WD8FmMgQMgwH4NysUrZhCNPnMquXoTocXsKbLC+vAptFm07gqB8FEbvpJ:X8F2EeoMqucXNbcHFRgqhjvv3jFdRj
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4480 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE 4480 EXCEL.EXE
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3c43c273329967a735e5a2775edfa84f195e15492262b5a3fde0bad3a2e3eeab.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4480
Network
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Remote address:8.8.8.8:53Request46.28.109.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request72.32.126.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request91.90.14.23.in-addr.arpaIN PTRResponse91.90.14.23.in-addr.arpaIN PTRa23-14-90-91deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request26.35.223.20.in-addr.arpaIN PTRResponse
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GEThttps://www.bing.com/th?id=OADD2.10239368050262_1H4FJCNTCWVEV5UPC&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90Remote address:23.62.61.96:443RequestGET /th?id=OADD2.10239368050262_1H4FJCNTCWVEV5UPC&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90 HTTP/2.0
host: www.bing.com
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-type: image/png
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}
content-length: 1678
date: Tue, 16 Apr 2024 10:08:58 GMT
alt-svc: h3=":443"; ma=93600
x-cdn-traceid: 0.5c3d3e17.1713262138.1326b0df
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Remote address:8.8.8.8:53Request96.61.62.23.in-addr.arpaIN PTRResponse96.61.62.23.in-addr.arpaIN PTRa23-62-61-96deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request26.73.42.20.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:8.8.8.8:53Request198.187.3.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request240.221.184.93.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request26.173.189.20.in-addr.arpaIN PTRResponse
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23.62.61.96:443https://www.bing.com/th?id=OADD2.10239368050262_1H4FJCNTCWVEV5UPC&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90tls, http21.5kB 7.0kB 17 13
HTTP Request
GET https://www.bing.com/th?id=OADD2.10239368050262_1H4FJCNTCWVEV5UPC&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90HTTP Response
200
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71 B 145 B 1 1
DNS Request
46.28.109.52.in-addr.arpa
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71 B 157 B 1 1
DNS Request
72.32.126.40.in-addr.arpa
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70 B 133 B 1 1
DNS Request
91.90.14.23.in-addr.arpa
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71 B 157 B 1 1
DNS Request
26.35.223.20.in-addr.arpa
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70 B 133 B 1 1
DNS Request
96.61.62.23.in-addr.arpa
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70 B 156 B 1 1
DNS Request
26.73.42.20.in-addr.arpa
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70 B 144 B 1 1
DNS Request
86.23.85.13.in-addr.arpa
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71 B 157 B 1 1
DNS Request
198.187.3.20.in-addr.arpa
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73 B 144 B 1 1
DNS Request
240.221.184.93.in-addr.arpa
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72 B 158 B 1 1
DNS Request
26.173.189.20.in-addr.arpa