| File name: | Worm.Blaster.A.exe |
| Full analysis: | https://app.any.run/tasks/3cafdf49-8e91-4144-9af4-20e41759cf66 |
| Verdict: | Malicious activity |
| Analysis date: | May 03, 2024, 13:32:02 |
| 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, UPX compressed |
| MD5: | 5AE700C1DFFB00CEF492844A4DB6CD69 |
| SHA1: | BED8E439F28A1A0D3876366CBD76A43CDCCF60FA |
| SHA256: | 258F82166D20C68497A66D82349FC81899FDE8FE8C1CC66E59F739A9EA2C95A9 |
| SSDEEP: | 192:Z3AnYJq6/eKxjEMfMVj78aCFE4uF2X+xYQPx4bQ5I:ZQnYJJ/RhMV/1yEIdQW85I |
MALICIOUS
Drops the executable file immediately after the start
- Worm.Blaster.A.exe (PID: 3972)
Changes the autorun value in the registry
- Worm.Blaster.A.exe (PID: 3972)
SUSPICIOUS
Reads the Internet Settings
- Worm.Blaster.A.exe (PID: 3972)
Connects to unusual port
- Worm.Blaster.A.exe (PID: 3972)
INFO
Reads the computer name
- Worm.Blaster.A.exe (PID: 3972)
Checks proxy server information
- Worm.Blaster.A.exe (PID: 3972)
Checks supported languages
- Worm.Blaster.A.exe (PID: 3972)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | UPX compressed Win32 Executable (39.3) |
|---|---|---|
| .exe | | | Win32 EXE Yoda's Crypter (38.6) |
| .dll | | | Win32 Dynamic Link Library (generic) (9.5) |
| .exe | | | Win32 Executable (generic) (6.5) |
| .exe | | | Generic Win/DOS Executable (2.9) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2003:08:11 11:21:14+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 2.55 |
| CodeSize: | 8192 |
| InitializedDataSize: | 4096 |
| UninitializedDataSize: | 20480 |
| EntryPoint: | 0x71f0 |
| OSVersion: | 1 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
32
Monitored processes
1
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3972 | "C:\Users\admin\AppData\Local\Temp\Worm.Blaster.A.exe" | C:\Users\admin\AppData\Local\Temp\Worm.Blaster.A.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
Total events
364
Read events
357
Write events
3
Delete events
4
Modification events
| (PID) Process: | (3972) Worm.Blaster.A.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | windows auto update |
Value: msblast.exe | |||
| (PID) Process: | (3972) Worm.Blaster.A.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (3972) Worm.Blaster.A.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | delete value | Name: | ProxyServer |
Value: | |||
| (PID) Process: | (3972) Worm.Blaster.A.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | delete value | Name: | ProxyOverride |
Value: | |||
| (PID) Process: | (3972) Worm.Blaster.A.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | delete value | Name: | AutoConfigURL |
Value: | |||
| (PID) Process: | (3972) Worm.Blaster.A.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | delete value | Name: | AutoDetect |
Value: | |||
| (PID) Process: | (3972) Worm.Blaster.A.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value: 460000005D010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A8016B000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
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
684
DNS requests
0
Threats
1
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 | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
3972 | Worm.Blaster.A.exe | 192.168.81.1:135 | — | — | — | unknown |
3972 | Worm.Blaster.A.exe | 192.168.81.2:135 | — | — | — | unknown |
3972 | Worm.Blaster.A.exe | 192.168.81.3:135 | — | — | — | unknown |
3972 | Worm.Blaster.A.exe | 192.168.81.4:135 | — | — | — | unknown |
3972 | Worm.Blaster.A.exe | 192.168.81.5:135 | — | — | — | unknown |
3972 | Worm.Blaster.A.exe | 192.168.81.6:135 | — | — | — | unknown |
3972 | Worm.Blaster.A.exe | 192.168.81.7:135 | — | — | — | unknown |
DNS requests
Threats
PID | Process | Class | Message |
|---|---|---|---|
3972 | Worm.Blaster.A.exe | Misc activity | ET SCAN Behavioral Unusual Port 135 traffic Potential Scan or Infection |