| File name: | vidar-Stealer.exe |
| Full analysis: | https://app.any.run/tasks/4371f4fb-ba21-4c5c-9546-84623ae6b152 |
| 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: | January 29, 2025, 00:33:28 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (console) Intel 80386, for MS Windows, 5 sections |
| MD5: | 7E74918F0790056546B862FA3E114C2A |
| SHA1: | 0042D5E84604F4E144EA0795DB36839C50D8ED1F |
| SHA256: | FED19121E9D547D9762E7AA6DD53E0756C414BD0A0650E38D6B0C01B000AD2FC |
| SSDEEP: | 12288:OZOy/KNZc9kXfo2tuytS/mNxe/0yoaIMfAm5Vma8:eOcKNwkmytqmNMMyoaIKA6Vx8 |
MALICIOUS
Starts CMD.EXE for self-deleting
- RegAsm.exe (PID: 3812)
VIDAR mutex has been found
- RegAsm.exe (PID: 3812)
VIDAR has been detected (YARA)
- RegAsm.exe (PID: 3812)
Steals credentials from Web Browsers
- RegAsm.exe (PID: 3812)
SUSPICIOUS
Reads security settings of Internet Explorer
- RegAsm.exe (PID: 3812)
Checks Windows Trust Settings
- RegAsm.exe (PID: 3812)
Connects to unusual port
- RegAsm.exe (PID: 3812)
Process communicates with Telegram (possibly using it as an attacker's C2 server)
- RegAsm.exe (PID: 3812)
Uses TIMEOUT.EXE to delay execution
- cmd.exe (PID: 1020)
Starts CMD.EXE for commands execution
- RegAsm.exe (PID: 3812)
Deletes system .NET executable
- cmd.exe (PID: 1020)
Searches for installed software
- RegAsm.exe (PID: 3812)
INFO
Reads the computer name
- RegAsm.exe (PID: 3812)
Checks supported languages
- vidar-Stealer.exe (PID: 4932)
- RegAsm.exe (PID: 3812)
Process checks computer location settings
- RegAsm.exe (PID: 3812)
Creates files in the program directory
- RegAsm.exe (PID: 3812)
Checks proxy server information
- RegAsm.exe (PID: 3812)
Reads the machine GUID from the registry
- RegAsm.exe (PID: 3812)
Creates files or folders in the user directory
- RegAsm.exe (PID: 3812)
Reads product name
- RegAsm.exe (PID: 3812)
Reads Environment values
- RegAsm.exe (PID: 3812)
Reads the software policy settings
- RegAsm.exe (PID: 3812)
Reads CPU info
- RegAsm.exe (PID: 3812)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:05:18 20:08:04+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.39 |
| CodeSize: | 116736 |
| InitializedDataSize: | 259072 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x527b |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
Total processes
132
Monitored processes
6
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1020 | "C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" & rd /s /q "C:\ProgramData\EHCBAAAFHJDH" & exit | C:\Windows\SysWOW64\cmd.exe | — | RegAsm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2144 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | vidar-Stealer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3524 | timeout /t 10 | C:\Windows\SysWOW64\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3812 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | vidar-Stealer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 3928 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4932 | "C:\Users\admin\AppData\Local\Temp\vidar-Stealer.exe" | C:\Users\admin\AppData\Local\Temp\vidar-Stealer.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
1 495
Read events
1 491
Write events
4
Delete events
0
Modification events
| (PID) Process: | (3812) RegAsm.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (3812) RegAsm.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (3812) RegAsm.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (3812) RegAsm.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached |
| Operation: | write | Name: | {40DD6E20-7C17-11CE-A804-00AA003CA9F6} {000214EF-0000-0000-C000-000000000046} 0xFFFF |
Value: 0100000000000000DB382E7BE571DB01 | |||
Executable files
0
Suspicious files
8
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3812 | RegAsm.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\76561199686524322[1].htm | html | |
MD5:24F4D00715CC4264FE66E8051A51E3DA | SHA256:1E55564866618C7516C917D730F0ECD8A53D913EAFD14A8B8012E86B1101233B | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619 | binary | |
MD5:9D3DAB95E1E8EDEB29F174EC65BD6994 | SHA256:14411D51C99F27DDEECE268595267111C2049746C4CE183D3B4EFF4D2BEA73B6 | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619 | binary | |
MD5:F4848783E9882D906B2276F641825DE2 | SHA256:13BC1100795B04FD60D1B76085311B1FA5E3AFA65EA5EED8244C94F1478D660E | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D | binary | |
MD5:E2578381F499BB9A07DCA3AB1225181B | SHA256:C26C498400972163BF41D03977F2900DFD38319C0C73EBDFA5707C47A9C38AEE | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D | binary | |
MD5:C02276598CE0F83A855DC14CF23BB971 | SHA256:261B2A1AA5863202D2A8B88545AFB56DD155FFBC33D6685553F435CB10D2FF87 | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771 | binary | |
MD5:982319A75D070E928F1B554179DCD994 | SHA256:9A4FD46CFB216B55B47696D6FD5D1C4CD5732E23EB97D8E656A73D4EDF52C401 | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\4E3D1101CFA1A79AF305FD7C55E37649_A8EAC700FEE71EDD327E06BEAA0C7F96 | binary | |
MD5:D625B5B1A750AEB995DEAF760554DB27 | SHA256:237CA6D4A6B0E4548EB75961811A99BB93BADDD4958AC4C8D368A670B2FC73B2 | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771 | binary | |
MD5:746A1E1B7D4BF90EBCDFAB9FF51DAFCF | SHA256:7BF093C914ABC350CDF7A7F68D9B29B1B34B37CBED60B1B0EC2C2ACBBB428005 | |||
| 3812 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4E3D1101CFA1A79AF305FD7C55E37649_A8EAC700FEE71EDD327E06BEAA0C7F96 | binary | |
MD5:0682BB2674CDADCC1D2603CC4DBF5FD2 | SHA256:E13E77F13F5FDABD221463E97C5F3915DE97FA1B0A479A35011404AD7102B168 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
35
DNS requests
20
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 95.101.78.42:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
3812 | RegAsm.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEAx5qUSwjBGVIJJhX%2BJrHYM%3D | unknown | — | — | whitelisted |
3812 | RegAsm.exe | GET | 200 | 192.124.249.22:80 | http://ocsp.godaddy.com//MEQwQjBAMD4wPDAJBgUrDgMCGgUABBTkIInKBAzXkF0Qh0pel3lfHJ9GPAQU0sSw0pHUTBFxs2HLPaH%2B3ahq1OMCAxvnFQ%3D%3D | unknown | — | — | whitelisted |
3812 | RegAsm.exe | GET | 200 | 192.124.249.22:80 | http://ocsp.godaddy.com//MEIwQDA%2BMDwwOjAJBgUrDgMCGgUABBQdI2%2BOBkuXH93foRUj4a7lAr4rGwQUOpqFBxBnKLbv9r0FQW4gwZTaD94CAQc%3D | unknown | — | — | whitelisted |
3812 | RegAsm.exe | GET | 200 | 192.124.249.22:80 | http://ocsp.godaddy.com//MEowSDBGMEQwQjAJBgUrDgMCGgUABBS2CA1fbGt26xPkOKX4ZguoUjM0TgQUQMK9J47MNIMwojPX%2B2yz8LQsgM4CCQDytgE3K904Dg%3D%3D | unknown | — | — | whitelisted |
2092 | 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 |
2092 | 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 |
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 |
— | — | 95.101.78.42:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
732 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3812 | RegAsm.exe | 23.67.133.187:443 | steamcommunity.com | AKAMAI-AS | DE | whitelisted |
3812 | RegAsm.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
3812 | RegAsm.exe | 65.108.55.55:9000 | — | Hetzner Online GmbH | FI | unknown |
732 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
crl.microsoft.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
steamcommunity.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
t.me |
| whitelisted |
ocsp.godaddy.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3812 | RegAsm.exe | Misc activity | ET INFO Observed Telegram Domain (t .me in TLS SNI) |