Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23/05/2024, 08:43 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe
-
Size
51KB
-
MD5
3fb77ce9ba423af7b51d3559ffaea13b
-
SHA1
a265e9c35a1a7e6b100abd6366b5f215ca172d52
-
SHA256
890325fad3f9c772484726594a1fde37c309cbeb71c82f1cecf39babc26daba7
-
SHA512
9d5db0724800a7e0e5df22829a7505a71bb8385c6a61b64ac2005c106d15b4cc6676648ccb587a73d2f52ca76d7009561892d186b986b4658401a8a8c6f273b1
-
SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZU0:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLq0
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000022f51-12.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000022f51-12.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4220 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 4656 wrote to memory of 4220 4656 2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe 83 PID 4656 wrote to memory of 4220 4656 2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe 83 PID 4656 wrote to memory of 4220 4656 2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_3fb77ce9ba423af7b51d3559ffaea13b_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4220
-
Network
-
Remote address:8.8.8.8:53Request133.211.185.52.in-addr.arpaIN PTRResponse
-
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
-
Remote address:8.8.8.8:53Request172.210.232.199.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request17.160.190.20.in-addr.arpaIN PTRResponse
-
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:23.62.61.129:443RequestGET /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: */*
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: Thu, 23 May 2024 08:43:37 GMT
alt-svc: h3=":443"; ma=93600
x-cdn-traceid: 0.7d3d3e17.1716453817.1c9dfd19
-
Remote address:8.8.8.8:53Request26.35.223.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request129.61.62.23.in-addr.arpaIN PTRResponse129.61.62.23.in-addr.arpaIN PTRa23-62-61-129deploystaticakamaitechnologiescom
-
Remote address:8.8.8.8:53Request241.150.49.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request86.23.85.13.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request198.187.3.20.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request25.14.97.104.in-addr.arpaIN PTRResponse25.14.97.104.in-addr.arpaIN PTRa104-97-14-25deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request16.24.18.2.in-addr.arpaIN PTRResponse16.24.18.2.in-addr.arpaIN PTRa2-18-24-16deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request0.205.248.87.in-addr.arpaIN PTRResponse0.205.248.87.in-addr.arpaIN PTRhttps-87-248-205-0lgwllnwnet
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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 CNAMEdual-a-0001.a-msedge.netdual-a-0001.a-msedge.netIN A204.79.197.200dual-a-0001.a-msedge.netIN A13.107.21.200
-
GEThttps://tse1.mm.bing.net/th?id=OADD2.10239340783932_1JCHO8JLBZ4TPAX49&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239340783932_1JCHO8JLBZ4TPAX49&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: 415458
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: 133EC4002B2A4F7E87E5FC93F3BDB87E Ref B: LON04EDGE0919 Ref C: 2024-05-23T08:45:11Z
date: Thu, 23 May 2024 08:45:10 GMT
-
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: 555746
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: 144A9C08D8D8429F953673DF579498E2 Ref B: LON04EDGE0919 Ref C: 2024-05-23T08:45:11Z
date: Thu, 23 May 2024 08:45:10 GMT
-
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: 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: 748138427BC246DF8A3EEC1E5D6DACD3 Ref B: LON04EDGE0919 Ref C: 2024-05-23T08:45:11Z
date: Thu, 23 May 2024 08:45:10 GMT
-
GEThttps://tse1.mm.bing.net/th?id=OADD2.10239340783933_1QOIM48UV8MGOV4SU&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=OADD2.10239340783933_1QOIM48UV8MGOV4SU&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: 0CEB2902B71D4B0FA2FA8D4743C2B24D Ref B: LON04EDGE0919 Ref C: 2024-05-23T08:45:11Z
date: Thu, 23 May 2024 08:45:10 GMT
-
GEThttps://tse1.mm.bing.net/th?id=OADD2.10239360931609_1JAA48IJSET6WWQHH&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239360931609_1JAA48IJSET6WWQHH&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: 638730
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: 0B3F62E4D347464D9842B8E0A21A3820 Ref B: LON04EDGE0919 Ref C: 2024-05-23T08:45:11Z
date: Thu, 23 May 2024 08:45:10 GMT
-
GEThttps://tse1.mm.bing.net/th?id=OADD2.10239360931610_110BPTPDN41GIXK2B&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=OADD2.10239360931610_110BPTPDN41GIXK2B&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: 430689
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: A2FE8EE772E842AC914B4D7E4450B73F Ref B: LON04EDGE0919 Ref C: 2024-05-23T08:45:11Z
date: Thu, 23 May 2024 08:45:10 GMT
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Remote address:8.8.8.8:53Request88.156.103.20.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request200.197.79.204.in-addr.arpaIN PTRResponse200.197.79.204.in-addr.arpaIN PTRa-0001a-msedgenet
-
260 B 5
-
23.62.61.129:443https://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 6.3kB 17 11
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
-
1.2kB 8.1kB 16 14
-
1.2kB 8.1kB 16 14
-
1.2kB 8.1kB 16 14
-
1.2kB 8.1kB 16 14
-
204.79.197.200:443https://tse1.mm.bing.net/th?id=OADD2.10239360931610_110BPTPDN41GIXK2B&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90tls, http2121.2kB 3.4MB 2509 2503
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239340783932_1JCHO8JLBZ4TPAX49&pid=21.2&c=3&w=1080&h=1920&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 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=OADD2.10239340783933_1QOIM48UV8MGOV4SU&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=OADD2.10239360931609_1JAA48IJSET6WWQHH&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239360931610_110BPTPDN41GIXK2B&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90HTTP Response
200 -
260 B 5
-
260 B 5
-
104 B 2
-
73 B 147 B 1 1
DNS Request
133.211.185.52.in-addr.arpa
-
62 B 192 B 1 1
DNS Request
emrlogistics.com
DNS Response
3.18.7.813.19.116.195
-
74 B 128 B 1 1
DNS Request
172.210.232.199.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
17.160.190.20.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
26.35.223.20.in-addr.arpa
-
71 B 135 B 1 1
DNS Request
129.61.62.23.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
241.150.49.20.in-addr.arpa
-
70 B 144 B 1 1
DNS Request
86.23.85.13.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
198.187.3.20.in-addr.arpa
-
71 B 135 B 1 1
DNS Request
25.14.97.104.in-addr.arpa
-
69 B 131 B 1 1
DNS Request
16.24.18.2.in-addr.arpa
-
71 B 116 B 1 1
DNS Request
0.205.248.87.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
13.227.111.52.in-addr.arpa
-
62 B 173 B 1 1
DNS Request
tse1.mm.bing.net
DNS Response
204.79.197.20013.107.21.200
-
72 B 158 B 1 1
DNS Request
88.156.103.20.in-addr.arpa
-
73 B 106 B 1 1
DNS Request
200.197.79.204.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
51KB
MD594595d7134892878a388b94b03da88e1
SHA1e1e27bbb28ba1a3bea60e142dab7dd04dcace1bb
SHA2564d214cb91d83f49ca5db453b3e51d43821c6b914774dd26dd2cc06f834af41d2
SHA512dda1315bc624285e8f44317b227360afb8572d50d4674d77446544b314124deb85a48341520ac530d546d725cedb77ca23daf5e1e47c6be4048a24a42160fa7b