| File name: | Email-Worm.Win32.Gruel.a |
| Full analysis: | https://app.any.run/tasks/0fa562ba-e275-47f6-a938-ac731c9bd965 |
| Verdict: | Malicious activity |
| Analysis date: | April 20, 2019, 18:49:12 |
| 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 |
| MD5: | B0FECCDDD78039AED7F1D68DAE4D73D3 |
| SHA1: | 8FCFFB3AE7AF33B9B83AF4C5ACBB044F888EEABF |
| SHA256: | 5714EFD4746F7796BBC52A272F8E354F67EDFB50129D5FDAA1396E920956D0D6 |
| SSDEEP: | 1536:ThBfyxwMz14BSSQGRwmkwmGDAzGC6TaPAlbv/g:1BKxwMz14wSQGGUDAATaPAlbv/g |
MALICIOUS
Changes the autorun value in the registry
- Email-Worm.Win32.Gruel.a.exe (PID: 3532)
SUSPICIOUS
Creates COM task schedule object
- Email-Worm.Win32.Gruel.a.exe (PID: 3532)
Modifies the open verb of a shell class
- Email-Worm.Win32.Gruel.a.exe (PID: 3532)
Executable content was dropped or overwritten
- Email-Worm.Win32.Gruel.a.exe (PID: 3532)
Removes files from Windows directory
- Email-Worm.Win32.Gruel.a.exe (PID: 3532)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Microsoft Visual Basic 6 (69.4) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.3) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.6) |
| .exe | | | DOS Executable Generic (1.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2003:07:15 05:00:00+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 94208 |
| InitializedDataSize: | 20480 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x11a0 |
| OSVersion: | 4 |
| ImageVersion: | 1 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Spanish (Modern) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft |
| ProductName: | Windows Critical Update |
| FileVersion: | 1 |
| ProductVersion: | 1 |
| InternalName: | Symantec_Norton_Tool |
| OriginalFileName: | Symantec_Norton_Tool.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Jul-2003 03:00:00 |
| Detected languages: |
|
| CompanyName: | Microsoft |
| ProductName: | Windows Critical Update |
| FileVersion: | 1.00 |
| ProductVersion: | 1.00 |
| InternalName: | Symantec_Norton_Tool |
| OriginalFilename: | Symantec_Norton_Tool.exe |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000B8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 15-Jul-2003 03:00:00 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00016C80 | 0x00017000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.55604 |
.data | 0x00018000 | 0x0000343C | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0001C000 | 0x000007B8 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.11942 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.2112 | 612 | Unicode (UTF 16LE) | Spanish - Spain (International sort) | RT_VERSION |
30001 | 3.42096 | 744 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30002 | 3.18265 | 296 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
Imports
MSVBVM60.DLL |
Total processes
35
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3532 | "C:\Users\admin\AppData\Local\Temp\Email-Worm.Win32.Gruel.a.exe" | C:\Users\admin\AppData\Local\Temp\Email-Worm.Win32.Gruel.a.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Integrity Level: HIGH Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 3924 | "C:\Users\admin\AppData\Local\Temp\Email-Worm.Win32.Gruel.a.exe" | C:\Users\admin\AppData\Local\Temp\Email-Worm.Win32.Gruel.a.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Integrity Level: MEDIUM Exit code: 3221226540 Version: 1.00 Modules
| |||||||||||||||
Total events
36
Read events
9
Write events
27
Delete events
0
Modification events
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_CURRENT_USER\Software\kIlLeRgUaTe 1.03 |
| Operation: | write | Name: | AppPath |
Value: "C:\Users\admin\AppData\Local\Temp\Email-Worm.Win32.Gruel.a.exe" %1 | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{8C6D8BD6-116B-4D4E-B1C2-87098DB509BB} |
| Operation: | write | Name: | |
Value: kIlLeRgUaTe 1.03 | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{8C6D8BD6-116B-4D4E-B1C2-87098DB509BB} |
| Operation: | write | Name: | InfoTip |
Value: kIlLeRgUaTe 1.03 | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{8C6D8BD6-116B-4D4E-B1C2-87098DB509BB}\DefaultIcon |
| Operation: | write | Name: | |
Value: C:\Users\admin\AppData\Local\Temp\Email-Worm.Win32.Gruel.a.exe,0 | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{8C6D8BD6-116B-4D4E-B1C2-87098DB509BB}\InProcServer32 |
| Operation: | write | Name: | |
Value: Shell32.dll | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{8C6D8BD6-116B-4D4E-B1C2-87098DB509BB}\InProcServer32 |
| Operation: | write | Name: | ThreadingModel |
Value: Apartment | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{8C6D8BD6-116B-4D4E-B1C2-87098DB509BB}\Shell\Open\Command |
| Operation: | write | Name: | |
Value: "C:\Users\admin\AppData\Local\Temp\Email-Worm.Win32.Gruel.a.exe" %1 | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{8C6D8BD6-116B-4D4E-B1C2-87098DB509BB}\ShellFolder |
| Operation: | write | Name: | Attributes |
Value: 00000000 | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_CURRENT_USER\Software\kIlLeRgUaTe 1.03 |
| Operation: | write | Name: | FirstRun |
Value: No | |||
| (PID) Process: | (3532) Email-Worm.Win32.Gruel.a.exe | Key: | HKEY_CURRENT_USER\Software\kIlLeRgUaTe 1.03 |
| Operation: | write | Name: | Password |
Value: | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3532 | Email-Worm.Win32.Gruel.a.exe | C:\Rundll32.exe | executable | |
MD5:B0FECCDDD78039AED7F1D68DAE4D73D3 | SHA256:5714EFD4746F7796BBC52A272F8E354F67EDFB50129D5FDAA1396E920956D0D6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report