| File name: | Kobalc.exe |
| Full analysis: | https://app.any.run/tasks/0de23e33-b016-4225-b754-48ac25c9715e |
| Verdict: | Malicious activity |
| Analysis date: | January 27, 2024, 19:20:07 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed |
| MD5: | 15717CD327A723820D71900611545917 |
| SHA1: | 99184EC149D329E98CD3E600CFABA22A2F9A0156 |
| SHA256: | DB6CEA7E8D62D3B21EFE3B423B48C131E345CB55F168CBE1F142E491BB812747 |
| SSDEEP: | 3072:HC4J4mBN31lb5M7xa9fi/mysKYeOCq5H1GwwAUrudsEU:fJHDZf+i9xCq5cP7E |
MALICIOUS
Drops the executable file immediately after the start
- Kobalc.exe (PID: 2640)
Changes the login/logoff helper path in the registry
- Kobalc.exe (PID: 2640)
Changes the autorun value in the registry
- Kobalc.exe (PID: 2640)
SUSPICIOUS
Reads the Internet Settings
- Kobalc.exe (PID: 2640)
Uses NETSH.EXE to change the status of the firewall
- Kobalc.exe (PID: 2640)
Uses NETSH.EXE to add a firewall rule or allowed programs
- Kobalc.exe (PID: 2640)
INFO
Reads the computer name
- Kobalc.exe (PID: 2640)
Checks supported languages
- Kobalc.exe (PID: 2640)
Checks proxy server information
- Kobalc.exe (PID: 2640)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .dll | | | Win32 Dynamic Link Library (generic) (43.5) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (29.8) |
| .exe | | | Generic Win/DOS Executable (13.2) |
| .exe | | | DOS Executable Generic (13.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2008:06:10 12:25:38+02:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 188416 |
| InitializedDataSize: | 2117632 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1000 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 5.1.2600.0 |
| ProductVersionNumber: | 5.1.2600.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | Microsoft® Windows NET Runtime Optimization Service |
| FileDescription: | - |
| FileVersion: | 5.1.2600.0 (xpclient.010817-1148) |
| InternalName: | - |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| LegalTrademarks: | - |
| OriginalFileName: | - |
| PrivateBuild: | - |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 5.1.2600.0 |
| SpecialBuild: | - |
Total processes
47
Monitored processes
6
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1556 | "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8081 PORT2 | C:\Windows\System32\netsh.exe | — | Kobalc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2324 | "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\Kobalc.exe" workstation ENABLE ALL | C:\Windows\System32\netsh.exe | — | Kobalc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2572 | "C:\Windows\System32\netsh.exe" firewall set portopening TCP 1013 BS | C:\Windows\System32\netsh.exe | — | Kobalc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2640 | "C:\Users\admin\AppData\Local\Temp\Kobalc.exe" | C:\Users\admin\AppData\Local\Temp\Kobalc.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft® Windows NET Runtime Optimization Service Integrity Level: MEDIUM Exit code: 0 Version: 5.1.2600.0 (xpclient.010817-1148) Modules
| |||||||||||||||
| 2724 | "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8080 PORT1 | C:\Windows\System32\netsh.exe | — | Kobalc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2728 | "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Users\admin\AppData\Local\Temp\Kobalc.exe" workstation ENABLE ALL | C:\Windows\System32\netsh.exe | — | Kobalc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
3 705
Read events
2 779
Write events
926
Delete events
0
Modification events
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole |
| Operation: | write | Name: | EnableDCOM |
Value: Y | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon |
| Operation: | write | Name: | shell |
Value: explorer.exe | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{103L3C30-C3B3-4130-9363-E59E1375PERM} |
| Operation: | write | Name: | StubPath |
Value: C:\Windows\Fonts\wmsncs.exe | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{103L3C30-C3B3-4130-9363-E59E1375PERM} |
| Operation: | write | Name: | StubPath |
Value: C:\Windows\Fonts\wmsncs.exe | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | NvidMediaCenter |
Value: C:\Program Files\Common Files\System\wmsncs.exe | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Spool Driver Service |
Value: C:\Windows\system32\spool\drivers\wmsncs.exe | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Wins Service |
Value: C:\Windows\system32\wins\wmsncs.exe | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value: 460000005B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A8016B000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2640) Kobalc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
37
DNS requests
24
Threats
14
HTTP requests
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 | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2640 | Kobalc.exe | 175.126.123.219:8080 | 1.0x0103x0x0m.co.cc | SK Broadband Co Ltd | KR | unknown |
2640 | Kobalc.exe | 219.94.163.231:8080 | dashman.dnip.net | SAKURA Internet Inc. | JP | unknown |
2640 | Kobalc.exe | 192.64.151.240:8080 | gertmann.effers.com | TP | US | unknown |
2640 | Kobalc.exe | 82.192.82.228:8080 | sunburn.flnet.org | LeaseWeb Netherlands B.V. | NL | unknown |
2640 | Kobalc.exe | 212.83.138.160:8080 | secretsnake.opendns.be | Online S.a.s. | FR | unknown |
2640 | Kobalc.exe | 175.126.123.219:8081 | 1.0x0103x0x0m.co.cc | SK Broadband Co Ltd | KR | unknown |
2640 | Kobalc.exe | 219.94.163.231:8081 | dashman.dnip.net | SAKURA Internet Inc. | JP | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
hodkskis1981.weedns.com |
| unknown |
xoxoxmyman.weedns.com |
| unknown |
1.0x0103x0x0m.co.cc |
| unknown |
1.itsy-bitsy.co.cc |
| unknown |
dashman.dnip.net |
| unknown |
xoomopy.dnip.net |
| unknown |
gertmann.effers.com |
| unknown |
dns.msftncsi.com |
| shared |
sunburn.flnet.org |
| unknown |
secretsnake.opendns.be |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1080 | svchost.exe | Potentially Bad Traffic | ET DNS Query for .cc TLD |
1080 | svchost.exe | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .co.cc Domain |
1080 | svchost.exe | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .co.cc Domain |
1080 | svchost.exe | Potentially Bad Traffic | ET DNS Query for .cc TLD |
1080 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.effers.com Domain |
1080 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.flnet.org Domain |
2640 | Kobalc.exe | Misc activity | ET INFO IRC Nick change on non-standard port |
1080 | svchost.exe | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .co.cc Domain |
1080 | svchost.exe | Potentially Bad Traffic | ET DNS Query for .cc TLD |
1080 | svchost.exe | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .co.cc Domain |