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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21/05/2024, 21:24 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe
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Size
97KB
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MD5
5f23533d24f355dcc246936c097894cd
-
SHA1
3306f0bdfba587858fb3ca15f28ff7900ff9677c
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SHA256
3277b967f0b0eadc77a7c8ff6f5c056676cf5e4ed321f38856c795f99f617f36
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SHA512
4be06d45e459cad4012fe8ba34afd7e86284646afe02ee38c2fc139be6183bc6d8c7b09fe11c670d5377239ba566bd25cb96404cee37e62e54933de497fea417
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0Wl:V6a+pOtEvwDpjtzC
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000800000002328e-12.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000800000002328e-12.dat CryptoLocker_set1 -
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4788 asih.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 744 wrote to memory of 4788 744 2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe 85 PID 744 wrote to memory of 4788 744 2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe 85 PID 744 wrote to memory of 4788 744 2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_5f23533d24f355dcc246936c097894cd_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4788
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Network
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Remote address:8.8.8.8:53Requestemrlogistics.comIN AResponseemrlogistics.comIN CNAMEtraff-3.hugedomains.comtraff-3.hugedomains.comIN CNAMEhdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.comhdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.comIN A3.18.7.81hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.comIN A3.19.116.195
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Remote address:8.8.8.8:53Requestg.bing.comIN AResponseg.bing.comIN CNAMEg-bing-com.dual-a-0034.a-msedge.netg-bing-com.dual-a-0034.a-msedge.netIN CNAMEdual-a-0034.a-msedge.netdual-a-0034.a-msedge.netIN A204.79.197.237dual-a-0034.a-msedge.netIN A13.107.21.237
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GEThttps://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=Remote address:204.79.197.237:443RequestGET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
ResponseHTTP/2.0 204
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MUID=042C13B24FC8661327B807344EEF67EC; domain=.bing.com; expires=Sun, 15-Jun-2025 21:24:28 GMT; path=/; SameSite=None; Secure; Priority=High;
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
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: 4DBD6E4FA71348959CA76FC88AE52A7A Ref B: LON04EDGE0717 Ref C: 2024-05-21T21:24:28Z
date: Tue, 21 May 2024 21:24:28 GMT
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GEThttps://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=Remote address:204.79.197.237:443RequestGET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=042C13B24FC8661327B807344EEF67EC
ResponseHTTP/2.0 204
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MSPTC=si3kWqBzEOmVImLTMAFhWublDopvTIHUInriB_2Dvuc; domain=.bing.com; expires=Sun, 15-Jun-2025 21:24:28 GMT; path=/; Partitioned; secure; SameSite=None
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
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: EBC6F46C21B64922899F7D87AA3EDABE Ref B: LON04EDGE0717 Ref C: 2024-05-21T21:24:28Z
date: Tue, 21 May 2024 21:24:28 GMT
-
GEThttps://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=Remote address:204.79.197.237:443RequestGET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=042C13B24FC8661327B807344EEF67EC; MSPTC=si3kWqBzEOmVImLTMAFhWublDopvTIHUInriB_2Dvuc
ResponseHTTP/2.0 204
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
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: 0E683B9C61004632865F7AAB762B294D Ref B: LON04EDGE0717 Ref C: 2024-05-21T21:24:28Z
date: Tue, 21 May 2024 21:24:28 GMT
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Remote address:8.8.8.8:53Request13.86.106.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request172.210.232.199.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request237.197.79.204.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request20.160.190.20.in-addr.arpaIN PTRResponse
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GEThttps://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90Remote address:23.62.61.97:443RequestGET /th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&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: */*
cookie: MUID=042C13B24FC8661327B807344EEF67EC; MSPTC=si3kWqBzEOmVImLTMAFhWublDopvTIHUInriB_2Dvuc
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&ndcParam=QWthbWFp"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
content-length: 1107
date: Tue, 21 May 2024 21:24:30 GMT
alt-svc: h3=":443"; ma=93600
x-cdn-traceid: 0.5d3d3e17.1716326670.58b5388
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Remote address:8.8.8.8:53Request57.169.31.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request97.61.62.23.in-addr.arpaIN PTRResponse97.61.62.23.in-addr.arpaIN PTRa23-62-61-97deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request133.211.185.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request103.169.127.40.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:8.8.8.8:53Request91.90.14.23.in-addr.arpaIN PTRResponse91.90.14.23.in-addr.arpaIN PTRa23-14-90-91deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Requesttse1.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=OADD2.10239360931612_153L2SVWUYAQUME4E&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239360931612_153L2SVWUYAQUME4E&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: 659775
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: C2441805397147DEBD8ED2CED986EF0F Ref B: LON04EDGE0709 Ref C: 2024-05-21T21:26:09Z
date: Tue, 21 May 2024 21:26:09 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239360931611_1SOG5TNNJKE1WH1R0&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239360931611_1SOG5TNNJKE1WH1R0&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: 621794
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: 8BDD331099634381AD52C785933DC910 Ref B: LON04EDGE0709 Ref C: 2024-05-21T21:26:09Z
date: Tue, 21 May 2024 21:26:09 GMT
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Remote address:8.8.8.8:53Request93.65.42.20.in-addr.arpaIN PTRResponse
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260 B 5
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204.79.197.237:443https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=tls, http22.0kB 9.2kB 21 19
HTTP Request
GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=HTTP Response
204HTTP Request
GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=HTTP Response
204HTTP Request
GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=0f798d55f6a24ce3989b8ae9e48fbc57&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=HTTP Response
204 -
23.62.61.97:443https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90tls, http21.5kB 6.4kB 16 12
HTTP Request
GET https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90HTTP Response
200 -
260 B 5
-
260 B 5
-
260 B 5
-
260 B 5
-
204.79.197.200:443https://tse1.mm.bing.net/th?id=OADD2.10239360931611_1SOG5TNNJKE1WH1R0&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90tls, http247.2kB 1.3MB 970 968
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239360931612_153L2SVWUYAQUME4E&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=OADD2.10239360931611_1SOG5TNNJKE1WH1R0&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90HTTP Response
200HTTP Response
200 -
1.2kB 8.1kB 16 14
-
260 B 5
-
260 B 5
-
104 B 2
-
62 B 192 B 1 1
DNS Request
emrlogistics.com
DNS Response
3.18.7.813.19.116.195
-
56 B 151 B 1 1
DNS Request
g.bing.com
DNS Response
204.79.197.23713.107.21.237
-
71 B 157 B 1 1
DNS Request
13.86.106.20.in-addr.arpa
-
74 B 128 B 1 1
DNS Request
172.210.232.199.in-addr.arpa
-
73 B 143 B 1 1
DNS Request
237.197.79.204.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
20.160.190.20.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
57.169.31.20.in-addr.arpa
-
70 B 133 B 1 1
DNS Request
97.61.62.23.in-addr.arpa
-
73 B 147 B 1 1
DNS Request
133.211.185.52.in-addr.arpa
-
73 B 147 B 1 1
DNS Request
103.169.127.40.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
198.187.3.20.in-addr.arpa
-
70 B 133 B 1 1
DNS Request
91.90.14.23.in-addr.arpa
-
62 B 173 B 1 1
DNS Request
tse1.mm.bing.net
DNS Response
204.79.197.20013.107.21.200
-
70 B 156 B 1 1
DNS Request
93.65.42.20.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
97KB
MD542402e8bd425e9a0cf1b233d5b2ab9ee
SHA19aa0f4a48ad11af328f4dae74402b06c43772686
SHA2569f2bd450ef96f2f1fe72d88b5b3455eb158cb7fc12d0580aa42c0f7553c80204
SHA512f9d2f1db0c52dfee17968b6ebc05784a464e15e55995d9f6a7aa1e88749a3beb02717eab1f90be8e7c5784d389ad95bd32bb9d8ba8f5b1e7ae0df7fb06462393