| File name: | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91 |
| Full analysis: | https://app.any.run/tasks/6c0c3b49-f63c-4ca7-8a58-e7098de28f11 |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | April 15, 2025, 19:32:27 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 8 sections |
| MD5: | 4AA312537E1070C0973034182E93661A |
| SHA1: | 554A11BB09A19B930254510684EB9338B8483ACD |
| SHA256: | DBF6A6E0987772661CBEBB257CEC32039D6A1782D1DDB6186F0988B552DEDB91 |
| SSDEEP: | 98304:xQGQxR65spi6Cp95eCH7f2PEsqolNoWvEynjLSoiLCpJvqjE1nepKbj:NQcRxk |
MALICIOUS
ASYNCRAT has been found (auto)
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7600)
Executing a file with an untrusted certificate
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7600)
- FileCoAuth.exe (PID: 8020)
NESHTA mutex has been found
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- FileCoAuth.exe (PID: 7972)
ASYNCRAT has been detected (YARA)
- InstallUtil.exe (PID: 7756)
Actions looks like stealing of personal data
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
SUSPICIOUS
Reads security settings of Internet Explorer
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- FileCoAuth.exe (PID: 7972)
Mutex name with non-standard characters
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- FileCoAuth.exe (PID: 7972)
Executable content was dropped or overwritten
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7600)
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- FileCoAuth.exe (PID: 7972)
Connects to unusual port
- InstallUtil.exe (PID: 7756)
There is functionality for taking screenshot (YARA)
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
Process drops legitimate windows executable
- FileCoAuth.exe (PID: 7972)
Starts a Microsoft application from unusual location
- FileCoAuth.exe (PID: 8020)
INFO
Create files in a temporary directory
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- FileCoAuth.exe (PID: 8020)
Reads the computer name
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7600)
- FileCoAuth.exe (PID: 8020)
- InstallUtil.exe (PID: 7756)
Process checks computer location settings
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- FileCoAuth.exe (PID: 7972)
Checks supported languages
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7556)
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7600)
- InstallUtil.exe (PID: 7756)
- FileCoAuth.exe (PID: 8020)
Reads the machine GUID from the registry
- dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe (PID: 7600)
- InstallUtil.exe (PID: 7756)
- FileCoAuth.exe (PID: 8020)
Manual execution by a user
- InstallUtil.exe (PID: 7756)
The sample compiled with english language support
- FileCoAuth.exe (PID: 7972)
Creates files or folders in the user directory
- FileCoAuth.exe (PID: 8020)
Checks proxy server information
- slui.exe (PID: 8124)
Reads the software policy settings
- slui.exe (PID: 8124)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(7756) InstallUtil.exe
C2 (1)45.74.34.32
Ports (1)1994
Version0.5.7B
BotnetPatch
Options
AutoRunfalse
MutexFGTRDSGDFBGGSDFG_S5S54SDF
InstallFolder%AppData%
BSoDfalse
AntiVMfalse
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQALBkRuNCTqKtgapRE9OFfzANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjEwOTA4MTcxOTA2WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAIUy6LUKGJiU+zs5YT6bYIiVfLqLpcI+LU0E4VJAwp9P6glbx/vcYicyK5/XI6drbESmiYtKXn2S...
Server_SignatureW72vJksRSx6lmDx744qZdaKBL9LZNrTxIBXWDKmEJ5AjW6VIlQCT/DL6/mPHKVI6Df1Ly+TS9TJfumAbUpVj9bR1HYg123rULN5wpijaJLq3Jk1LoUimjwbnUa2Fa3JJt85A5lR5vxeSKEgI8dh+4ql/xaRypKjjdeYNzo60kiZ8dXTSa9ngsapGU2kmOrgLxm+9roJ9j3i09LLLQq0AUexXynOeto1t0Ryq8T1ObBMKNc7B66taeTzVMTCKt7DbyZMPmK7auH885d1ng8VADlI3n8gpGif9TZYJIqph7x7e...
Keys
AES92bbd7f8fb368dd17af409aaa5f08637b50989eee3c9b337e4c12496f520f56d
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
TRiD
| .exe | | | Win32 Executable Borland Delphi 6 (85.5) |
|---|---|---|
| .exe | | | Win32 Executable Delphi generic (4.6) |
| .scr | | | Windows screen saver (4.2) |
| .dll | | | Win32 Dynamic Link Library (generic) (2.1) |
| .exe | | | Win32 Executable (generic) (1.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:19 22:22:17+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 29696 |
| InitializedDataSize: | 10752 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x80e4 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
128
Monitored processes
6
Malicious processes
3
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7556 | "C:\Users\admin\Desktop\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe" | C:\Users\admin\Desktop\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 7600 | "C:\Users\admin\AppData\Local\Temp\3582-490\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe" | C:\Users\admin\AppData\Local\Temp\3582-490\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 4294967295 Version: 6.24.0.0 Modules
| |||||||||||||||
| 7756 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Version: 4.8.9037.0 built by: NET481REL1 Modules
AsyncRat(PID) Process(7756) InstallUtil.exe C2 (1)45.74.34.32 Ports (1)1994 Version0.5.7B BotnetPatch Options AutoRunfalse MutexFGTRDSGDFBGGSDFG_S5S54SDF InstallFolder%AppData% BSoDfalse AntiVMfalse Certificates Cert1MIIE8jCCAtqgAwIBAgIQALBkRuNCTqKtgapRE9OFfzANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjEwOTA4MTcxOTA2WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAIUy6LUKGJiU+zs5YT6bYIiVfLqLpcI+LU0E4VJAwp9P6glbx/vcYicyK5/XI6drbESmiYtKXn2S... Server_SignatureW72vJksRSx6lmDx744qZdaKBL9LZNrTxIBXWDKmEJ5AjW6VIlQCT/DL6/mPHKVI6Df1Ly+TS9TJfumAbUpVj9bR1HYg123rULN5wpijaJLq3Jk1LoUimjwbnUa2Fa3JJt85A5lR5vxeSKEgI8dh+4ql/xaRypKjjdeYNzo60kiZ8dXTSa9ngsapGU2kmOrgLxm+9roJ9j3i09LLLQq0AUexXynOeto1t0Ryq8T1ObBMKNc7B66taeTzVMTCKt7DbyZMPmK7auH885d1ng8VADlI3n8gpGif9TZYJIqph7x7e... Keys AES92bbd7f8fb368dd17af409aaa5f08637b50989eee3c9b337e4c12496f520f56d Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 | |||||||||||||||
| 7972 | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileCoAuth.exe -Embedding | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileCoAuth.exe | — | svchost.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 8020 | "C:\Users\admin\AppData\Local\Temp\3582-490\FileCoAuth.exe" -Embedding | C:\Users\admin\AppData\Local\Temp\3582-490\FileCoAuth.exe | — | FileCoAuth.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft OneDriveFile Co-Authoring Executable Exit code: 0 Version: 19.043.0304.0013 Modules
| |||||||||||||||
| 8124 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
4 467
Read events
4 467
Write events
0
Delete events
0
Modification events
Executable files
10
Suspicious files
2
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7556 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Local\Temp\3582-490\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | executable | |
MD5:DA7D0731577455065521C84834D16BFB | SHA256:24FFFC42C2C512A729089FE6C8F2BD75F9BC697305911448E2C2FE5A5CFDC33C | |||
| 7600 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\prosecce.vbs | text | |
MD5:5DD40810B4AB8B13BA232CB200F6EDBF | SHA256:46C3FDC022FA1382E04DE628BA7DFFAA7DF498571C2805D6B3BF8A6A55F006D1 | |||
| 7556 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileCoAuth.exe | executable | |
MD5:13C2D5BF03C4A2B28E930F990CCC32DB | SHA256:12D24D0BC0E7CDC902E3540A3C6F7B755094F011A8EAD49A47A00563710B8F80 | |||
| 7556 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileSyncHelper.exe | executable | |
MD5:1C0BE16E6ED8F5B6F0910650A25F4FA7 | SHA256:3028F6A6A7A10DC5D63F256FEEB8275F3818BF3371EAF8B20A2D0BF2FCD5F4A9 | |||
| 7556 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\OneDriveUpdaterService.exe | executable | |
MD5:E73AC057B2CFEF016B8199389F0DF590 | SHA256:20ABA9D6001E5CDC287CD5BD452D0F2D05980D83F851D2B309BF49E9D9A8AC4C | |||
| 7556 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe | executable | |
MD5:178B773B3FB050FCE26E40A9E8C2EE9A | SHA256:1E03573733F25B44004049A535E7E79366FD86FE953F6DFEDAAD05513B46A6C5 | |||
| 7556 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Local\Temp\tmp5023.tmp | text | |
MD5:8EF484C3A613A01E6969D0029A024BEB | SHA256:2F46DA610DA9C8D8617C71897BD64D07704D23276303EDB2C552CD8609F36814 | |||
| 8020 | FileCoAuth.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\logs\Common\FileCoAuth-2025-04-15.1932.8020.1.aodl | binary | |
MD5:28DCA2FF4B34B5A52A2E59DF202A6ED3 | SHA256:33BACCB7296F1ED1F995FC77A23049F261CF391AC0388F9E8DD161F8C17B7F94 | |||
| 7972 | FileCoAuth.exe | C:\Users\admin\AppData\Local\Temp\3582-490\FileCoAuth.exe | executable | |
MD5:394DEEEF3E5FFE6C77A9CDA1832361BB | SHA256:37DCEC7509B0803F2BBA453845ED67FDBAA15771F8A60FC11F9082FD2A64BD23 | |||
| 7556 | dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileSyncConfig.exe | executable | |
MD5:0C5EC1AE9A301408AF26032B445FBB08 | SHA256:3A8010F1E4E028782093877D969EB127B80AE48B7215A8D3F91E8AB9C165AC7A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
46
DNS requests
5
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2104 | svchost.exe | GET | 200 | 2.19.11.105:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | POST | 500 | 20.83.72.98:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
— | — | POST | 500 | 20.83.72.98:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2104 | svchost.exe | 2.19.11.105:80 | crl.microsoft.com | Elisa Oyj | NL | whitelisted |
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
7756 | InstallUtil.exe | 45.74.34.32:1994 | — | M247 Ltd | US | unknown |
7292 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
8124 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |