| File name: | Cotizaci�n adjunta________doc.uu |
| Full analysis: | https://app.any.run/tasks/9a2810b6-dee7-49b0-ba34-3ec5ba8e484c |
| Verdict: | Malicious activity |
| Threats: | DarkCloud is an infostealer that focuses on collecting and exfiltrating browser data from the infected device. The malware is also capable of keylogging and crypto address swapping. DarkCloud is typically delivered to victims’ computers via phishing emails. |
| Analysis date: | April 29, 2025, 14:46:12 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | A9B970F716965B9DA032B4F49C1DFA4E |
| SHA1: | F867C5C87B17797EE254E92498A957282A024482 |
| SHA256: | E787476F5C5B02C564B406009E12424332E7B8065D0FA3920A92B66A4FFDEE7E |
| SSDEEP: | 49152:q50MJqMC/L+GXqkOovsE3m9Kc0IJ0bZaEzSNBjQqj1OLwI9/boWCHuDTlxIOZZKU:q5nqtL+GXqF6/3m9KdtbZhYjBsFpCKTJ |
MALICIOUS
DARKCLOUD has been detected (YARA)
- MSBuild.exe (PID: 4208)
Stealers network behavior
- MSBuild.exe (PID: 1324)
SUSPICIOUS
Starts a Microsoft application from unusual location
- Cotización adjunta________doc.exe (PID: 5048)
- Cotización adjunta________doc.exe (PID: 2316)
- Cotización adjunta________doc.exe (PID: 812)
Process drops legitimate windows executable
- WinRAR.exe (PID: 2852)
Reads security settings of Internet Explorer
- WinRAR.exe (PID: 2852)
- MSBuild.exe (PID: 4208)
Checks for external IP
- MSBuild.exe (PID: 4208)
- MSBuild.exe (PID: 6876)
- MSBuild.exe (PID: 1324)
Possible usage of Discord/Telegram API has been detected (YARA)
- MSBuild.exe (PID: 4208)
INFO
Executable content was dropped or overwritten
- WinRAR.exe (PID: 2852)
The sample compiled with english language support
- WinRAR.exe (PID: 2852)
Reads the computer name
- MSBuild.exe (PID: 4208)
- MSBuild.exe (PID: 6876)
- MSBuild.exe (PID: 1324)
Checks supported languages
- MSBuild.exe (PID: 4208)
- Cotización adjunta________doc.exe (PID: 5048)
- MSBuild.exe (PID: 6876)
- Cotización adjunta________doc.exe (PID: 812)
Reads the machine GUID from the registry
- MSBuild.exe (PID: 4208)
Checks proxy server information
- MSBuild.exe (PID: 4208)
- MSBuild.exe (PID: 6876)
Creates files or folders in the user directory
- MSBuild.exe (PID: 4208)
- MSBuild.exe (PID: 6876)
Manual execution by a user
- Cotización adjunta________doc.exe (PID: 2316)
- Cotización adjunta________doc.exe (PID: 812)
UPX packer has been detected
- MSBuild.exe (PID: 4208)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rar | | | RAR compressed archive (v5.0) (61.5) |
|---|---|---|
| .rar | | | RAR compressed archive (gen) (38.4) |
EXIF
ZIP
| FileVersion: | RAR v5 |
|---|---|
| CompressedSize: | 889305 |
| UncompressedSize: | 1400832 |
| OperatingSystem: | Win32 |
| ArchivedFileName: | Cotización adjunta________doc.exe |
Total processes
142
Monitored processes
11
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 812 | "C:\Users\admin\Desktop\Cotización adjunta________doc.exe" | C:\Users\admin\Desktop\Cotización adjunta________doc.exe | — | explorer.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
| |||||||||||||||
| 1324 | "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
| |||||||||||||||
| 1660 | "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
| |||||||||||||||
| 1812 | 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
| |||||||||||||||
| 2316 | "C:\Users\admin\Desktop\Cotización adjunta________doc.exe" | C:\Users\admin\Desktop\Cotización adjunta________doc.exe | — | explorer.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
| |||||||||||||||
| 2392 | "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
| |||||||||||||||
| 2852 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Cotizaci�n adjunta________doc.uu.rar" | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.91.0 Modules
| |||||||||||||||
| 4208 | "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
| |||||||||||||||
| 5048 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa2852.30181\Cotización adjunta________doc.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa2852.30181\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
| |||||||||||||||
| 6192 | "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
| |||||||||||||||
Total events
6 174
Read events
6 105
Write events
54
Delete events
15
Modification events
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\Cotizaci�n adjunta________doc.uu.rar | |||
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2852) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (4208) MSBuild.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (4208) MSBuild.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
Executable files
2
Suspicious files
3
Text files
0
Unknown types
12
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4208 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\LoginData | sqlite | |
MD5:A45465CDCDC6CB30C8906F3DA4EC114C | SHA256:4412319EF944EBCCA9581CBACB1D4E1DC614C348D1DFC5D2FAAAAD863D300209 | |||
| 2852 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2852.30181\Cotización adjunta________doc.exe | executable | |
MD5:6887C4D1799B847138380181246892F6 | SHA256:978BDB0431417015DFE8D95572D87225E038CC2B82ADC4AA3CFEE89A90767AE0 | |||
| 4208 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\WebData | sqlite | |
MD5:F6C33AC5E1032A0873BE7BFC65169287 | SHA256:D97895CEDED32E33D57BDCACCDBE144E58AA87AF4D2F8855D630286CE30A8D83 | |||
| 6876 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\LoginData | sqlite | |
MD5:A45465CDCDC6CB30C8906F3DA4EC114C | SHA256:4412319EF944EBCCA9581CBACB1D4E1DC614C348D1DFC5D2FAAAAD863D300209 | |||
| 6876 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\WebData | sqlite | |
MD5:F6C33AC5E1032A0873BE7BFC65169287 | SHA256:D97895CEDED32E33D57BDCACCDBE144E58AA87AF4D2F8855D630286CE30A8D83 | |||
| 6876 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\keyDBPath.db | sqlite | |
MD5:0FF3BCDD0BE077B9EB8194B5C09F453C | SHA256:225D669E47EB14D8C969799C92AAEF27B66CD984872EA09284E48DB46521E651 | |||
| 1324 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\LoginData | sqlite | |
MD5:A45465CDCDC6CB30C8906F3DA4EC114C | SHA256:4412319EF944EBCCA9581CBACB1D4E1DC614C348D1DFC5D2FAAAAD863D300209 | |||
| 1324 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\cookies.db-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 1324 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\WebData | sqlite | |
MD5:F6C33AC5E1032A0873BE7BFC65169287 | SHA256:D97895CEDED32E33D57BDCACCDBE144E58AA87AF4D2F8855D630286CE30A8D83 | |||
| 1324 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\keyDBPath.db | sqlite | |
MD5:0FF3BCDD0BE077B9EB8194B5C09F453C | SHA256:225D669E47EB14D8C969799C92AAEF27B66CD984872EA09284E48DB46521E651 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
23
DNS requests
14
Threats
9
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.22:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4208 | MSBuild.exe | GET | 200 | 162.55.60.2:80 | http://showip.net/ | unknown | — | — | shared |
5260 | SIHClient.exe | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6876 | MSBuild.exe | GET | 200 | 162.55.60.2:80 | http://showip.net/ | unknown | — | — | shared |
5260 | SIHClient.exe | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
1324 | MSBuild.exe | GET | 200 | 162.55.60.2:80 | http://showip.net/ | unknown | — | — | shared |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.22:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
2104 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.160.22:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
5112 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
showip.net |
| shared |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
4208 | MSBuild.exe | Attempted Information Leak | ET INFO IP Check Domain (showip in HTTP Host) |
4208 | MSBuild.exe | Device Retrieving External IP Address Detected | ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check |
4208 | MSBuild.exe | A Network Trojan was detected | STEALER [ANY.RUN] DarkCloud External IP Check |
6876 | MSBuild.exe | Attempted Information Leak | ET INFO IP Check Domain (showip in HTTP Host) |
6876 | MSBuild.exe | A Network Trojan was detected | STEALER [ANY.RUN] DarkCloud External IP Check |
6876 | MSBuild.exe | Device Retrieving External IP Address Detected | ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check |
1324 | MSBuild.exe | Attempted Information Leak | ET INFO IP Check Domain (showip in HTTP Host) |
1324 | MSBuild.exe | Device Retrieving External IP Address Detected | ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check |
1324 | MSBuild.exe | A Network Trojan was detected | STEALER [ANY.RUN] DarkCloud External IP Check |