| 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: | |
| 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 |
MALICIOUS
Generic archive extractor
- OUTLOOK.EXE (PID: 6040)
SUSPICIOUS
Process drops legitimate windows executable
- OUTLOOK.EXE (PID: 6040)
- WinRAR.exe (PID: 1012)
Starts a Microsoft application from unusual location
- Cotización adjunta________doc.exe (PID: 4736)
Reads security settings of Internet Explorer
- WinRAR.exe (PID: 1012)
- MSBuild.exe (PID: 2560)
Checks for external IP
- MSBuild.exe (PID: 2560)
INFO
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)
Checks supported languages
- Cotización adjunta________doc.exe (PID: 4736)
- MSBuild.exe (PID: 2560)
Reads the computer name
- MSBuild.exe (PID: 2560)
Checks proxy server information
- MSBuild.exe (PID: 2560)
Creates files or folders in the user directory
- MSBuild.exe (PID: 2560)
Reads the machine GUID from the registry
- MSBuild.exe (PID: 2560)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .eml | | | E-Mail message (Var. 1) (100) |
|---|
Total processes
140
Monitored processes
8
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
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
| |||||||||||||||
| 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
| |||||||||||||||
| 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.exe | — | WinRAR.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
| |||||||||||||||
| 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=TimerEvent | C:\Windows\System32\slui.exe | — | SppExtComObj.Exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5864 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 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
| |||||||||||||||
| 6960 | "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 Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 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.exe | — | OUTLOOK.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
| |||||||||||||||
Total events
14 813
Read events
13 661
Write events
1 032
Delete events
120
Modification events
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling |
| Operation: | write | Name: | 6 |
Value: 01941A000000001000B24E9A3E06000000000000000600000000000000 | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\6040 |
| Operation: | write | Name: | 0 |
Value: 0B0E10D4EEA8F04EA68A41A0069328BFFF411F230046A38FDDD68CA1EEED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C511982FD2120B6F00750074006C006F006F006B002E00650078006500C51620C517808004C91808323231322D44656300 | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics |
| Operation: | delete value | Name: | BootCommand |
Value: | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics |
| Operation: | delete value | Name: | BootFailureCount |
Value: | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | CantBootResolution |
Value: BootSuccess | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | ProfileBeingOpened |
Value: Outlook | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | SessionId |
Value: C3D8E96E-C1AF-4750-8D52-F4E28119C131 | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | BootDiagnosticsLogFile |
Value: C:\Users\admin\AppData\Local\Temp\Outlook Logging\OUTLOOK_16_0_16026_20146-20240718T1116060318-1644.etl | |||
| (PID) Process: | (6040) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics |
| Operation: | delete value | Name: | ProfileBeingOpened |
Value: | |||
Executable files
1
Suspicious files
13
Text files
7
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6040 | OUTLOOK.EXE | C:\Users\admin\Documents\Outlook Files\Outlook1.pst | — | |
MD5:— | SHA256:— | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Temp\olkD8DD.tmp | binary | |
MD5:B9B34F302B4B93DF1C6EEEDBDF774DA9 | SHA256:54DF9F9936E25BB4CF5730D4F5086DBC2A58D011CA306800CDA902BE9BD96A0D | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres | binary | |
MD5:E2FE151D45BB8A45D73E33229757005E | SHA256:2824292DA272C63312D5339705A727EF436BB223B9A34ABBBC5DA44C71D49FAC | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187 | binary | |
MD5:1DD7033A317CC56173637DE4D3515476 | SHA256:E9053378CE61BA5809D2D248491582B8AADC392AE5506B22335BA61596C2A165 | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntities.bin | text | |
MD5:CC90D669144261B198DEAD45AA266572 | SHA256:89C701EEFF939A44F28921FD85365ECD87041935DCD0FE0BAF04957DA12C9899 | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\A9E64FCF.dat | image | |
MD5:E42001FCD8E9BF8B24615A6A6F73B42E | SHA256:09080DD174DE51DC8FF974445E751CF164047FC3766A32577AC70568CDF33054 | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotm | binary | |
MD5:353EC293593F757557308CA1AD308BD3 | SHA256:0B8598C5A7DF9EA7D16736805D7FAA2F3ACBEE43A0607AF4C9968C2DA5393B9D | |||
| 1012 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa1012.35799\Cotización adjunta________doc.exe | executable | |
MD5:6887C4D1799B847138380181246892F6 | SHA256:978BDB0431417015DFE8D95572D87225E038CC2B82ADC4AA3CFEE89A90767AE0 | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres | binary | |
MD5:F82C25F6FB2A8082AA54DC4096104152 | SHA256:4AE8EE071A8E744DE02D0B3C37C1928B78590FCDF383BEAE4AE2F034FFD414D4 | |||
| 6040 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntitiesUpdated.bin | text | |
MD5:59C2AB8A8033053AB9349AFFC2A17E93 | SHA256:C19C7FC9A88D9AB57AE84D6A9BE6185CBC54D31E1A1C99AB63330DB3144A3F05 | |||
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 |
|---|---|---|---|---|---|---|---|---|---|
— | — | 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 | 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 |
6040 | OUTLOOK.EXE | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%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 |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
2560 | MSBuild.exe | GET | 200 | 162.55.60.2:80 | http://showip.net/ | unknown | — | — | shared |
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 |
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 |
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 |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
officeclient.microsoft.com |
| whitelisted |
ecs.office.com |
| whitelisted |
login.live.com |
| whitelisted |
roaming.officeapps.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
omex.cdn.office.net |
| 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 |