| File name: | Cotizaci�n adjunta________doc - copia (2).uu |
| Full analysis: | https://app.any.run/tasks/d794c948-7163-4915-915c-3609b70b560d |
| 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, 14:41:44 |
| 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: 7956)
Stealers network behavior
- MSBuild.exe (PID: 7192)
SUSPICIOUS
Reads security settings of Internet Explorer
- WinRAR.exe (PID: 7392)
- MSBuild.exe (PID: 7956)
- MSBuild.exe (PID: 6988)
- MSBuild.exe (PID: 7192)
Process drops legitimate windows executable
- WinRAR.exe (PID: 7392)
Starts a Microsoft application from unusual location
- Cotización adjunta________doc.exe (PID: 7664)
- Cotización adjunta________doc.exe (PID: 8176)
- Cotización adjunta________doc.exe (PID: 5956)
Checks for external IP
- MSBuild.exe (PID: 7956)
- MSBuild.exe (PID: 7192)
- MSBuild.exe (PID: 6988)
Possible usage of Discord/Telegram API has been detected (YARA)
- MSBuild.exe (PID: 7956)
INFO
The sample compiled with english language support
- WinRAR.exe (PID: 7392)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 7392)
Checks supported languages
- Cotización adjunta________doc.exe (PID: 7664)
- MSBuild.exe (PID: 7956)
- Cotización adjunta________doc.exe (PID: 8176)
- MSBuild.exe (PID: 6988)
Reads the machine GUID from the registry
- MSBuild.exe (PID: 7956)
- MSBuild.exe (PID: 7192)
- MSBuild.exe (PID: 6988)
Reads the computer name
- MSBuild.exe (PID: 7956)
- MSBuild.exe (PID: 7192)
- MSBuild.exe (PID: 6988)
Checks proxy server information
- MSBuild.exe (PID: 7956)
- MSBuild.exe (PID: 7192)
- MSBuild.exe (PID: 6988)
UPX packer has been detected
- MSBuild.exe (PID: 7956)
Creates files or folders in the user directory
- MSBuild.exe (PID: 7956)
- MSBuild.exe (PID: 7192)
- MSBuild.exe (PID: 6988)
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
137
Monitored processes
9
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5956 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.6750\Cotización adjunta________doc.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.6750\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
| |||||||||||||||
| 6988 | "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
| |||||||||||||||
| 7192 | "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
| |||||||||||||||
| 7392 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Cotizaci�n adjunta________doc - copia (2).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
| |||||||||||||||
| 7536 | 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
| |||||||||||||||
| 7568 | "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
| |||||||||||||||
| 7664 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.2638\Cotización adjunta________doc.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.2638\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
| |||||||||||||||
| 7956 | "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
| |||||||||||||||
| 8176 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4098\Cotización adjunta________doc.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4098\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
| |||||||||||||||
Total events
4 240
Read events
4 223
Write events
17
Delete events
0
Modification events
| (PID) Process: | (7392) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (7392) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (7392) 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: | (7392) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\Cotizaci�n adjunta________doc - copia (2).uu.rar | |||
| (PID) Process: | (7392) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (7392) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (7392) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (7392) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (7956) MSBuild.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (7956) MSBuild.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
Executable files
3
Suspicious files
11
Text files
0
Unknown types
4
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7392 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.2638\Cotización adjunta________doc.exe | executable | |
MD5:6887C4D1799B847138380181246892F6 | SHA256:978BDB0431417015DFE8D95572D87225E038CC2B82ADC4AA3CFEE89A90767AE0 | |||
| 7956 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\cookies.db-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 7956 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\cookies.db | binary | |
MD5:19BA68C3ECBCA72C2B90AFADDE745DC6 | SHA256:8B3758EE2D2C0A07EE7003F902F0667ABE5D9667941F8617EDA3CDF94C78E7B8 | |||
| 7956 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\keyDBPath.db | binary | |
MD5:0FF3BCDD0BE077B9EB8194B5C09F453C | SHA256:225D669E47EB14D8C969799C92AAEF27B66CD984872EA09284E48DB46521E651 | |||
| 7956 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\LoginData | binary | |
MD5:A45465CDCDC6CB30C8906F3DA4EC114C | SHA256:4412319EF944EBCCA9581CBACB1D4E1DC614C348D1DFC5D2FAAAAD863D300209 | |||
| 7192 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\WebData | sqlite | |
MD5:F6C33AC5E1032A0873BE7BFC65169287 | SHA256:D97895CEDED32E33D57BDCACCDBE144E58AA87AF4D2F8855D630286CE30A8D83 | |||
| 7392 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4098\Cotización adjunta________doc.exe | executable | |
MD5:6887C4D1799B847138380181246892F6 | SHA256:978BDB0431417015DFE8D95572D87225E038CC2B82ADC4AA3CFEE89A90767AE0 | |||
| 7192 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\LoginData | sqlite | |
MD5:A45465CDCDC6CB30C8906F3DA4EC114C | SHA256:4412319EF944EBCCA9581CBACB1D4E1DC614C348D1DFC5D2FAAAAD863D300209 | |||
| 6988 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\cookies.db-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 7192 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\DESKTOP-JGLLJLD-admin\cookies.db | sqlite | |
MD5:19BA68C3ECBCA72C2B90AFADDE745DC6 | SHA256:8B3758EE2D2C0A07EE7003F902F0667ABE5D9667941F8617EDA3CDF94C78E7B8 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
24
DNS requests
14
Threats
9
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.19.11.120:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | 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 |
— | — | GET | 200 | 2.19.11.120:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
7956 | MSBuild.exe | GET | 200 | 162.55.60.2:80 | http://showip.net/ | unknown | — | — | shared |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7192 | MSBuild.exe | GET | 200 | 162.55.60.2:80 | http://showip.net/ | unknown | — | — | shared |
2656 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2656 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | 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 |
|---|---|---|---|---|---|---|
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.19.11.120:80 | crl.microsoft.com | Elisa Oyj | NL | whitelisted |
— | — | 2.19.11.120:80 | crl.microsoft.com | Elisa Oyj | NL | whitelisted |
5496 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | 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 | 40.126.32.68:443 | 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 |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
showip.net |
| shared |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
7956 | MSBuild.exe | Attempted Information Leak | ET INFO IP Check Domain (showip in HTTP Host) |
7956 | MSBuild.exe | A Network Trojan was detected | STEALER [ANY.RUN] DarkCloud External IP Check |
7956 | MSBuild.exe | Device Retrieving External IP Address Detected | ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check |
7192 | MSBuild.exe | Attempted Information Leak | ET INFO IP Check Domain (showip in HTTP Host) |
7192 | MSBuild.exe | A Network Trojan was detected | STEALER [ANY.RUN] DarkCloud External IP Check |
7192 | MSBuild.exe | Device Retrieving External IP Address Detected | ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check |
6988 | MSBuild.exe | Attempted Information Leak | ET INFO IP Check Domain (showip in HTTP Host) |
6988 | MSBuild.exe | A Network Trojan was detected | STEALER [ANY.RUN] DarkCloud External IP Check |
6988 | MSBuild.exe | Device Retrieving External IP Address Detected | ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check |