File name:

Cotización adjunta.eml

Full analysis: https://app.any.run/tasks/8b912c8c-c2d5-499a-99bf-c62e049c121f
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Analysis date: April 29, 2025, 13:15:21
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
arch-exec
stealer
evasion
Indicators:
MIME: message/rfc822
File info: SMTP mail, ISO-8859 text, with CRLF line terminators
MD5:

5EB6B653ABA856DEF10687570C5E3373

SHA1:

E6CEED6D761A5B900D454D124D5540069B952B51

SHA256:

21D14EDFAAA61AC46A366CEDC1B69C6D85B3BDC2E27F01DC903BC1E58D9B3361

SSDEEP:

24576:f2PLzamg+zsGuUK8TvAv/pTbT8kxQIpx0uF6oPEbuLT:GLRnzBfq/BfNxBEuFZMiv

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

    • Generic archive extractor

      • OUTLOOK.EXE (PID: 6040)
  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 1012)
      • MSBuild.exe (PID: 2560)
    • Starts a Microsoft application from unusual location

      • Cotización adjunta________doc.exe (PID: 4736)
    • Process drops legitimate windows executable

      • WinRAR.exe (PID: 1012)
      • OUTLOOK.EXE (PID: 6040)
    • Checks for external IP

      • MSBuild.exe (PID: 2560)
  • INFO

    • Reads the computer name

      • MSBuild.exe (PID: 2560)
    • Checks supported languages

      • Cotización adjunta________doc.exe (PID: 4736)
      • MSBuild.exe (PID: 2560)
    • Checks proxy server information

      • MSBuild.exe (PID: 2560)
    • Reads the machine GUID from the registry

      • MSBuild.exe (PID: 2560)
    • The sample compiled with english language support

      • OUTLOOK.EXE (PID: 6040)
      • WinRAR.exe (PID: 1012)
    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1012)
    • Creates files or folders in the user directory

      • MSBuild.exe (PID: 2560)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.eml | E-Mail message (Var. 1) (100)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
140
Monitored processes
8
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start outlook.exe sppextcomobj.exe no specs slui.exe no specs ai.exe no specs winrar.exe cotización adjunta________doc.exe no specs msbuild.exe no specs msbuild.exe

Process information

PID
CMD
Path
Indicators
Parent process
1012"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\7QC1RBVM\Cotizaci�n adjunta________doc.uu"C:\Program Files\WinRAR\WinRAR.exe
OUTLOOK.EXE
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
2560"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Cotización adjunta________doc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
MSBuild.exe
Version:
4.8.9037.0 built by: NET481REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\msbuild.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvbvm60.dll
c:\windows\syswow64\user32.dll
4736"C:\Users\admin\AppData\Local\Temp\Rar$EXa1012.35799\Cotización adjunta________doc.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa1012.35799\Cotización adjunta________doc.exeWinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Windows Media Player Setup Utility
Exit code:
0
Version:
12.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa1012.35799\cotización adjunta________doc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\msvcrt.dll
5344"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEventC:\Windows\System32\slui.exeSppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Activation Client
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.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\bcrypt.dll
c:\windows\system32\user32.dll
5864C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exesvchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sppextcomobj.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\bcrypt.dll
c:\windows\system32\oleaut32.dll
6040"C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" /eml "C:\Users\admin\AppData\Local\Temp\Cotización adjunta.eml"C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Outlook
Version:
16.0.16026.20146
Modules
Images
c:\program files\microsoft office\root\office16\outlook.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\ucrtbase.dll
c:\program files\microsoft office\root\office16\outlookservicing.dll
c:\program files\common files\microsoft shared\clicktorun\appvisvsubsystems64.dll
c:\windows\system32\advapi32.dll
c:\program files\microsoft office\root\office16\vcruntime140_1.dll
6960"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeCotización adjunta________doc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
MSBuild.exe
Exit code:
0
Version:
4.8.9037.0 built by: NET481REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\msbuild.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
7148"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "45272082-4B69-4E9B-BD8E-6D1E6375EBC5" "C128B64B-38B1-4233-94BB-EFB274EEBB35" "6040"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exeOUTLOOK.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Artificial Intelligence (AI) Host for the Microsoft® Windows® Operating System and Platform x64.
Version:
0.12.2.0
Modules
Images
c:\program files\microsoft office\root\vfs\programfilescommonx64\microsoft shared\office16\ai.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\common files\microsoft shared\clicktorun\appvisvsubsystems64.dll
c:\windows\system32\advapi32.dll
c:\program files\common files\microsoft shared\clicktorun\c2r64.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\sechost.dll
Total events
14 813
Read events
13 661
Write events
1 032
Delete events
120

Modification events

(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling
Operation:writeName:6
Value:
01941A000000001000B24E9A3E06000000000000000600000000000000
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\6040
Operation:writeName:0
Value:
0B0E10D4EEA8F04EA68A41A0069328BFFF411F230046A38FDDD68CA1EEED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C511982FD2120B6F00750074006C006F006F006B002E00650078006500C51620C517808004C91808323231322D44656300
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:BootCommand
Value:
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:BootFailureCount
Value:
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:delete keyName:(default)
Value:
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:CantBootResolution
Value:
BootSuccess
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:ProfileBeingOpened
Value:
Outlook
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:SessionId
Value:
C3D8E96E-C1AF-4750-8D52-F4E28119C131
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:BootDiagnosticsLogFile
Value:
C:\Users\admin\AppData\Local\Temp\Outlook Logging\OUTLOOK_16_0_16026_20146-20240718T1116060318-1644.etl
(PID) Process:(6040) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:ProfileBeingOpened
Value:
Executable files
1
Suspicious files
13
Text files
7
Unknown types
2

Dropped files

PID
Process
Filename
Type
6040OUTLOOK.EXEC:\Users\admin\Documents\Outlook Files\Outlook1.pst
MD5:
SHA256:
6040OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbresbinary
MD5:F82C25F6FB2A8082AA54DC4096104152
SHA256:4AE8EE071A8E744DE02D0B3C37C1928B78590FCDF383BEAE4AE2F034FFD414D4
6040OUTLOOK.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotmbinary
MD5:353EC293593F757557308CA1AD308BD3
SHA256:0B8598C5A7DF9EA7D16736805D7FAA2F3ACBEE43A0607AF4C9968C2DA5393B9D
6040OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\F1DB25FC-16AE-4AE3-8991-62E2D9BCEA55xml
MD5:CE83790719F5509CC21029A6455D5C92
SHA256:4AE2A5DA0E49F038FD344AA73AE476ACE7B2D246519F087BBE83B178B2E80EC1
6040OUTLOOK.EXEC:\Users\admin\AppData\Local\Temp\olkD8DD.tmpbinary
MD5:B9B34F302B4B93DF1C6EEEDBDF774DA9
SHA256:54DF9F9936E25BB4CF5730D4F5086DBC2A58D011CA306800CDA902BE9BD96A0D
6040OUTLOOK.EXEC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187binary
MD5:1DD7033A317CC56173637DE4D3515476
SHA256:E9053378CE61BA5809D2D248491582B8AADC392AE5506B22335BA61596C2A165
6040OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\7QC1RBVM\Cotizaci�n adjunta________doc.uu:Zone.Identifiertext
MD5:FBCCF14D504B7B2DBCB5A5BDA75BD93B
SHA256:EACD09517CE90D34BA562171D15AC40D302F0E691B439F91BE1B6406E25F5913
6040OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\7QC1RBVM\Cotizaci�n adjunta________doc (002).uucompressed
MD5:A9B970F716965B9DA032B4F49C1DFA4E
SHA256:E787476F5C5B02C564B406009E12424332E7B8065D0FA3920A92B66A4FFDEE7E
6040OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_TableViewPreviewPrefs_2_DA2BE2C5D09E084D9F46CC5898584137.datxml
MD5:0E092DB99AEE99FDFF9B5B222C732CFD
SHA256:D1614AD99ADED9F6F5C1BE7FE7FFA5124BD04A526580DA3818EA8A954E852AA6
2560MSBuild.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\WebDatasqlite
MD5:F6C33AC5E1032A0873BE7BFC65169287
SHA256:D97895CEDED32E33D57BDCACCDBE144E58AA87AF4D2F8855D630286CE30A8D83
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
10
TCP/UDP connections
33
DNS requests
20
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5496
MoUsoCoreWorker.exe
GET
200
23.48.23.140:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
GET
200
23.48.23.140:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
6544
svchost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
6040
OUTLOOK.EXE
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
whitelisted
6960
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
6960
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
2560
MSBuild.exe
GET
200
162.55.60.2:80
http://showip.net/
unknown
shared
6040
OUTLOOK.EXE
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D
unknown
whitelisted
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
192.168.100.255:138
whitelisted
2104
svchost.exe
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5496
MoUsoCoreWorker.exe
23.48.23.140:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
23.48.23.140:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5496
MoUsoCoreWorker.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
3216
svchost.exe
172.211.123.248:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6040
OUTLOOK.EXE
52.109.28.46:443
officeclient.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
GB
whitelisted
6040
OUTLOOK.EXE
52.123.128.14:443
ecs.office.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.78
whitelisted
crl.microsoft.com
  • 23.48.23.140
  • 23.48.23.162
  • 23.48.23.158
  • 23.48.23.141
  • 23.48.23.159
  • 23.48.23.157
  • 23.48.23.166
  • 23.48.23.150
  • 23.48.23.146
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
officeclient.microsoft.com
  • 52.109.28.46
whitelisted
ecs.office.com
  • 52.123.128.14
  • 52.123.129.14
whitelisted
login.live.com
  • 20.190.159.131
  • 20.190.159.4
  • 40.126.31.2
  • 40.126.31.130
  • 20.190.159.23
  • 20.190.159.64
  • 20.190.159.75
  • 20.190.159.68
whitelisted
roaming.officeapps.live.com
  • 52.109.76.243
whitelisted
ocsp.digicert.com
  • 184.30.131.245
whitelisted
omex.cdn.office.net
  • 23.48.23.30
  • 23.48.23.11
  • 23.48.23.18
whitelisted

Threats

PID
Process
Class
Message
2560
MSBuild.exe
Attempted Information Leak
ET INFO IP Check Domain (showip in HTTP Host)
2560
MSBuild.exe
A Network Trojan was detected
STEALER [ANY.RUN] DarkCloud External IP Check
2560
MSBuild.exe
Device Retrieving External IP Address Detected
ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check
No debug info