Analysis
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max time kernel
139s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
08/12/2023, 16:50 UTC
Static task
static1
Behavioral task
behavioral1
Sample
Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Resource
win10v2004-20231130-en
General
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Target
Halkbank_Ekstre_20191102_073809_405251-PDF.exe
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Size
988KB
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MD5
0f93c17cac1c2dd8b332bf2d53aa2f8c
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SHA1
8848bf63c85f1743d63d458819ab4632f80b4cc9
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SHA256
4b01f24d97fef59510e2a99a4d75d48f7dbe8445e5fe05a3602fb7a12094ade9
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SHA512
b1b7968abe71cdf12c1aa3bed07fdde8282126faf2bd1386c8fccc0bfdc3ae39b10d94155a96770bc72dee60d6265ce45a8211e4624b3e25c1e08bc7794a2c89
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SSDEEP
12288:o6UYBXALb35v+g4IwbmB1fRcmjMx7jghB/8SBJxVtQD2b62SgM5DqanwP7r9r/+l:1SbIPIhbNM1sh9BR1q
Malware Config
Extracted
Protocol: smtp- Host:
mail.rolexlogisticsservice.com - Port:
587 - Username:
thursday@rolexlogisticsservice.com - Password:
0.p-TydLJ-3Z
Extracted
agenttesla
Protocol: smtp- Host:
mail.rolexlogisticsservice.com - Port:
587 - Username:
thursday@rolexlogisticsservice.com - Password:
0.p-TydLJ-3Z - Email To:
thursday@rolexlogisticsservice.com
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 47 api.ipify.org 48 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1436 set thread context of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 5012 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 5012 Halkbank_Ekstre_20191102_073809_405251-PDF.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe Token: SeDebugPrivilege 5012 Halkbank_Ekstre_20191102_073809_405251-PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5012 Halkbank_Ekstre_20191102_073809_405251-PDF.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1436 wrote to memory of 1760 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 98 PID 1436 wrote to memory of 1760 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 98 PID 1436 wrote to memory of 1760 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 98 PID 1436 wrote to memory of 4748 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 99 PID 1436 wrote to memory of 4748 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 99 PID 1436 wrote to memory of 4748 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 99 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100 PID 1436 wrote to memory of 5012 1436 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"2⤵PID:1760
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"2⤵PID:4748
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5012
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Network
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Remote address:8.8.8.8:53Request2.136.104.51.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:8.8.8.8:53Request6.181.190.20.in-addr.arpaIN PTRResponse
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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:8.8.8.8:53Request241.154.82.20.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=OADD2.10239317301458_1O5GXDV85M53L16NQ&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301458_1O5GXDV85M53L16NQ&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: 425794
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: 92E7982194524BBC8DE3837BC53327E8 Ref B: LON04EDGE1007 Ref C: 2023-12-08T16:51:02Z
date: Fri, 08 Dec 2023 16:51:02 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301025_159EZPKLFPK71SUGC&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301025_159EZPKLFPK71SUGC&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: 361903
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: 40D294EDCF104C75964285C2EB9231A4 Ref B: LON04EDGE1007 Ref C: 2023-12-08T16:51:02Z
date: Fri, 08 Dec 2023 16:51:02 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301308_1V23M6H7DG8T3CRA5&pid=21.2&w=1920&h=1080&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301308_1V23M6H7DG8T3CRA5&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: 416984
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: 4E156EEB796A4FA2A77443BE7C443C4C Ref B: LON04EDGE1007 Ref C: 2023-12-08T16:51:02Z
date: Fri, 08 Dec 2023 16:51:02 GMT
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GEThttps://tse1.mm.bing.net/th?id=OADD2.10239317301717_1QD8K4REPRL31N6EW&pid=21.2&w=1080&h=1920&c=4Remote address:204.79.197.200:443RequestGET /th?id=OADD2.10239317301717_1QD8K4REPRL31N6EW&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: 408529
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: DB96069EACD74DE5A95259849CEA9E7B Ref B: LON04EDGE1007 Ref C: 2023-12-08T16:51:02Z
date: Fri, 08 Dec 2023 16:51:02 GMT
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Remote address:8.8.8.8:53Request88.156.103.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request146.78.124.51.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:8.8.8.8:53Request200.197.79.204.in-addr.arpaIN PTRResponse200.197.79.204.in-addr.arpaIN PTRa-0001a-msedgenet
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Remote address:8.8.8.8:53Requestapi.ipify.orgIN AResponseapi.ipify.orgIN CNAMEapi4.ipify.orgapi4.ipify.orgIN A173.231.16.77api4.ipify.orgIN A104.237.62.212api4.ipify.orgIN A64.185.227.156
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Remote address:8.8.8.8:53Requestapi.ipify.orgIN A
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Remote address:173.231.16.77:443RequestGET / HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0
Host: api.ipify.org
Connection: Keep-Alive
ResponseHTTP/1.1 200 OK
Date: Fri, 08 Dec 2023 16:51:22 GMT
Content-Type: text/plain
Content-Length: 12
Connection: keep-alive
Vary: Origin
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Remote address:8.8.8.8:53Request77.16.231.173.in-addr.arpaIN PTRResponse77.16.231.173.in-addr.arpaIN PTRapiipifyorg
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Remote address:8.8.8.8:53Requestmail.rolexlogisticsservice.comIN AResponsemail.rolexlogisticsservice.comIN CNAMErolexlogisticsservice.comrolexlogisticsservice.comIN A131.153.148.82
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Remote address:8.8.8.8:53Requestmail.rolexlogisticsservice.comIN A
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Remote address:8.8.8.8:53Request59.128.231.4.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request82.148.153.131.in-addr.arpaIN PTRResponse82.148.153.131.in-addr.arpaIN PTRwghp11 wghserverscom
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Remote address:8.8.8.8:53Request50.23.12.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request15.164.165.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request18.134.221.88.in-addr.arpaIN PTRResponse18.134.221.88.in-addr.arpaIN PTRa88-221-134-18deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request61.179.17.96.in-addr.arpaIN PTRResponse61.179.17.96.in-addr.arpaIN PTRa96-17-179-61deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request11.227.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request26.35.223.20.in-addr.arpaIN PTRResponse
-
1.2kB 8.3kB 16 14
-
1.2kB 8.3kB 16 14
-
204.79.197.200:443https://tse1.mm.bing.net/th?id=OADD2.10239317301717_1QD8K4REPRL31N6EW&pid=21.2&w=1080&h=1920&c=4tls, http257.0kB 1.7MB 1218 1210
HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301458_1O5GXDV85M53L16NQ&pid=21.2&w=1080&h=1920&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301025_159EZPKLFPK71SUGC&pid=21.2&w=1920&h=1080&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301308_1V23M6H7DG8T3CRA5&pid=21.2&w=1920&h=1080&c=4HTTP Request
GET https://tse1.mm.bing.net/th?id=OADD2.10239317301717_1QD8K4REPRL31N6EW&pid=21.2&w=1080&h=1920&c=4HTTP Response
200HTTP Response
200HTTP Response
200HTTP Response
200 -
1.2kB 8.3kB 16 14
-
998 B 7.0kB 12 12
HTTP Request
GET https://api.ipify.org/HTTP Response
200 -
131.153.148.82:587mail.rolexlogisticsservice.comsmtp-submissionHalkbank_Ekstre_20191102_073809_405251-PDF.exe2.9kB 6.3kB 22 22
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131.153.148.82:587mail.rolexlogisticsservice.comsmtp-submissionHalkbank_Ekstre_20191102_073809_405251-PDF.exe2.8kB 6.5kB 24 25
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71 B 157 B 1 1
DNS Request
2.136.104.51.in-addr.arpa
-
73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
6.181.190.20.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
241.154.82.20.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
-
72 B 158 B 1 1
DNS Request
146.78.124.51.in-addr.arpa
-
71 B 135 B 1 1
DNS Request
41.110.16.96.in-addr.arpa
-
73 B 106 B 1 1
DNS Request
200.197.79.204.in-addr.arpa
-
118 B 126 B 2 1
DNS Request
api.ipify.org
DNS Request
api.ipify.org
DNS Response
173.231.16.77104.237.62.21264.185.227.156
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72 B 99 B 1 1
DNS Request
77.16.231.173.in-addr.arpa
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152 B 106 B 2 1
DNS Request
mail.rolexlogisticsservice.com
DNS Request
mail.rolexlogisticsservice.com
DNS Response
131.153.148.82
-
71 B 157 B 1 1
DNS Request
59.128.231.4.in-addr.arpa
-
73 B 108 B 1 1
DNS Request
82.148.153.131.in-addr.arpa
-
70 B 156 B 1 1
DNS Request
50.23.12.20.in-addr.arpa
-
72 B 146 B 1 1
DNS Request
15.164.165.52.in-addr.arpa
-
72 B 137 B 1 1
DNS Request
18.134.221.88.in-addr.arpa
-
71 B 135 B 1 1
DNS Request
61.179.17.96.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
11.227.111.52.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
26.35.223.20.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Halkbank_Ekstre_20191102_073809_405251-PDF.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3