URL:

https://api.flockmail.com/s/1002/4045437/messages/receipt/GFNMKZlRQb

Full analysis: https://app.any.run/tasks/befdf210-338c-470b-be90-1f6bde772835
Verdict: Malicious activity
Analysis date: October 31, 2023, 18:29:22
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
SHA1:

5B4FEA3D7C4110C172D64661BF7E56E028E4B6A9

SHA256:

41507ECD9ADEAA45731CC10494DE36704F13EB9AFFCD47792E6D050C427C56B1

SSDEEP:

3:N8DLgjILGTKWnZWSKIagAGgijp+:2XgjIyTKWoSNAnid+

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    No malicious indicators.

  • SUSPICIOUS

    • Process drops legitimate windows executable

      • msdt.exe (PID: 2200)

    • Reads the Internet Settings

      • sdiagnhost.exe (PID: 3732)

    • Reads settings of System Certificates

      • msdt.exe (PID: 2200)

  • INFO

    • Create files in a temporary directory

      • msdt.exe (PID: 2200)

    • Application launched itself

      • iexplore.exe (PID: 1488)

    • Reads security settings of Internet Explorer

      • sdiagnhost.exe (PID: 3732)
      • msdt.exe (PID: 2200)

    • Drops the executable file immediately after the start

      • msdt.exe (PID: 2200)

    • Creates files or folders in the user directory

      • msdt.exe (PID: 2200)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
4
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe msdt.exe no specs sdiagnhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1488"C:\Program Files\Internet Explorer\iexplore.exe" "https://api.flockmail.com/s/1002/4045437/messages/receipt/GFNMKZlRQb"C:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
2200 -modal 1311264 -skip TRUE -path C:\Windows\diagnostics\system\networking -af C:\Users\admin\AppData\Local\Temp\NDF1B0E.tmp -ep NetworkDiagnosticsWebC:\Windows\System32\msdt.exe—iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Diagnostics Troubleshooting Wizard
Exit code:
4294967295
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msdt.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2564"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1488 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3732C:\Windows\System32\sdiagnhost.exe -EmbeddingC:\Windows\System32\sdiagnhost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Scripted Diagnostics Native Host
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\sdiagnhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
Total events
18 075
Read events
17 993
Write events
80
Delete events
2

Modification events

(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
0
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30847387
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30847437
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1488) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
2
Suspicious files
21
Text files
24
Unknown types
0

Dropped files

PID
Process
Filename
Type
2564iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:FEC5D091E27C325D52506B469CAC2B72
SHA256:D6CF254E667FB26BB0B91F41678577050EA0D35FBEC944CA6319755D5F449074
2564iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B66240B0F6C84BD4857ABA60CF5CE4A0_5043E0F5DF723415C9EECC201C838A62binary
MD5:5B0FD32946A07511B15ECADB8C51A2B6
SHA256:D9576C48C1564C98553344DEC045BE4E45D0DC8E7350FB650E2EB7D763D836A3
2564iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\75CA58072B9926F763A91F0CC2798706_056B48C93C4964C2E64C0A8958238656binary
MD5:B4F505FC63748401E975BFCCD6FBBAE7
SHA256:3B24C3AB595A3AA67A66E36D9CF4D818B2406CA26CF913B3076CD692EE7BD6AA
2564iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157compressed
MD5:1BFE591A4FE3D91B03CDF26EAACD8F89
SHA256:9CF94355051BF0F4A45724CA20D1CC02F76371B963AB7D1E38BD8997737B13D8
2200msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_da91c971-9ad6-46cc-b7b7-f16ef797ea88\HTInteractiveRes.ps1text
MD5:C25ED2111C6EE9299E6D9BF51012F2F5
SHA256:8E326EE0475208D4C943D885035058FAD7146BBA02B66305F7C9F31F6A57E81B
1488iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EAF8AA29A62AB29E614331747385D816_F9E4DC0B9D5C777357D7DB8DEF51118Ader
MD5:8EF37FDA18C1382EAD5FEA15B1A915DB
SHA256:B6BBB3B814709D480C8D7DED207CD8B4E7DCB1DBB7F222EBA4D6B12FF1C96F82
2200msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_da91c971-9ad6-46cc-b7b7-f16ef797ea88\DiagPackage.dllexecutable
MD5:2433E09C08C21455000F7E36D7653759
SHA256:EA9400E719FB15CD82D5DAB4B7D8E3870BB375BBE11BB95B0D957A84FEE2891C
2200msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_da91c971-9ad6-46cc-b7b7-f16ef797ea88\InteractiveRes.ps1text
MD5:25B8543DBF571F040118423BC3C7A75E
SHA256:D78E6291D6F27AC6FEBDCF0A4D5A34521E7F033AF8875E026DF21BA7513AB64A
2564iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B66240B0F6C84BD4857ABA60CF5CE4A0_5043E0F5DF723415C9EECC201C838A62binary
MD5:B83A25D6FA1F72629C8485ADCFE0B32E
SHA256:AB6D2A0AA26CD56B56ACC9127CA9D063EF9946B0FB88EB1A2B342F78F386F957
2564iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\BAD725C80F9E10846F35D039A996E4A8_88B6AE015495C1ECC395D19C1DD02894binary
MD5:58F5192476528D64BCA9400841DB6698
SHA256:F67FC92D07CE137088F1F93348FC6E1510793B992DE1E15846C0B79B7CBD70A3
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
23
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2564
iexplore.exe
GET
200
18.66.142.79:80
http://ocsp.rootca1.amazontrust.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBRPWaOUU8%2B5VZ5%2Fa9jFTaU9pkK3FAQUhBjMhTTsvAyUlC4IWZzHshBOCggCEwdzEkpLy9ROx7U76vGUhC06D6E%3D
unknown
binary
1.39 Kb
unknown
2564
iexplore.exe
GET
200
108.138.2.173:80
http://o.ss2.us//MEowSDBGMEQwQjAJBgUrDgMCGgUABBSLwZ6EW5gdYc9UaSEaaLjjETNtkAQUv1%2B30c7dH4b0W1Ws3NcQwg6piOcCCQCnDkpMNIK3fw%3D%3D
unknown
binary
2.02 Kb
unknown
1488
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAzlnDD9eoNTLi0BRrMy%2BWU%3D
unknown
binary
313 b
unknown
2564
iexplore.exe
GET
200
18.66.108.147:80
http://ocsp.r2m02.amazontrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRmbQtwnInkvkvr7BNFR%2BS2lTYPjAQUwDFSzVpQw4J8dHHOy%2Bmc%2BXrrguICEA8CaOgl008LDP2mOb7JyI0%3D
unknown
binary
471 b
unknown
2564
iexplore.exe
GET
200
8.253.95.121:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?76112a73e28f62ac
unknown
compressed
4.66 Kb
unknown
2564
iexplore.exe
GET
200
18.66.142.79:80
http://ocsp.rootg2.amazontrust.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBSIfaREXmfqfJR3TkMYnD7O5MhzEgQUnF8A36oB1zArOIiiuG1KnPIRkYMCEwZ%2FlEoqJ83z%2BsKuKwH5CO65xMY%3D
unknown
binary
1.51 Kb
unknown
2564
iexplore.exe
GET
200
8.253.95.121:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?cb1c364a290f1e96
unknown
compressed
4.66 Kb
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1088
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2564
iexplore.exe
3.216.24.220:443
—
AMAZON-AES
US
unknown
2656
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
2564
iexplore.exe
8.253.95.121:80
ctldl.windowsupdate.com
LEVEL3
US
unknown
2564
iexplore.exe
108.138.2.173:80
o.ss2.us
AMAZON-02
US
unknown
2564
iexplore.exe
18.66.142.79:80
ocsp.rootg2.amazontrust.com
AMAZON-02
US
unknown
1488
iexplore.exe
104.126.37.168:443
www.bing.com
Akamai International B.V.
DE
unknown
2564
iexplore.exe
18.66.108.147:80
ocsp.r2m02.amazontrust.com
AMAZON-02
US
unknown

DNS requests

Domain
IP
Reputation
ctldl.windowsupdate.com
  • 8.253.95.121
  • 8.248.137.254
  • 67.26.75.254
  • 8.241.89.254
  • 8.253.95.249
whitelisted
o.ss2.us
  • 108.138.2.173
  • 108.138.2.195
  • 108.138.2.10
  • 108.138.2.107
whitelisted
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 104.126.37.168
  • 104.126.37.155
  • 104.126.37.184
  • 104.126.37.177
  • 104.126.37.160
  • 104.126.37.128
  • 104.126.37.161
  • 104.126.37.152
  • 104.126.37.186
  • 204.79.197.200
  • 13.107.21.200
whitelisted
ocsp.rootg2.amazontrust.com
  • 18.66.142.79
whitelisted
ocsp.rootca1.amazontrust.com
  • 18.66.142.79
shared
ocsp.r2m02.amazontrust.com
  • 18.66.108.147
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
web.flockmail.com
  • 13.32.121.53
  • 13.32.121.111
  • 13.32.121.42
  • 13.32.121.82
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://api.flockmail.com/s/1002/4045437/messages/receipt/GFNMKZlRQb