| File name: | krnl_console_bootstrapper.exe |
| Full analysis: | https://app.any.run/tasks/c835292b-5d78-458f-9ff7-a1eebb5c9cd0 |
| Verdict: | Malicious activity |
| Analysis date: | October 24, 2021, 13:05:37 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 2C037F847CFF23CA356F1D0C443C3647 |
| SHA1: | 07E633BCD75EC01DA10B974E28B14A0A3C03F5A7 |
| SHA256: | 33AA53BB27EE095F72BBFB206BE36D4DC74A0BAA7DB0246A60221B0F953A11AB |
| SSDEEP: | 49152:jOUzS65+x+rnxYrC5VrnOgIqUXcSM9sk/IRUn0:SUzS65+x1m5IG3 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads the computer name
- krnl_console_bootstrapper.exe (PID: 552)
Checks supported languages
- krnl_console_bootstrapper.exe (PID: 552)
Reads Environment values
- krnl_console_bootstrapper.exe (PID: 552)
Executable content was dropped or overwritten
- krnl_console_bootstrapper.exe (PID: 552)
INFO
Reads settings of System Certificates
- krnl_console_bootstrapper.exe (PID: 552)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (46) |
|---|---|---|
| .exe | | | InstallShield setup (27) |
| .exe | | | Win64 Executable (generic) (17.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (4.1) |
| .exe | | | Win32 Executable (generic) (2.8) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2021:05:27 21:23:04+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 2731520 |
| InitializedDataSize: | 257024 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x29cd82 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | krnl_console_bootstrapper |
| FileVersion: | 1.0.0.0 |
| InternalName: | krnl_console_bootstrapper.exe |
| LegalCopyright: | Copyright © 2021 |
| LegalTrademarks: | - |
| OriginalFileName: | krnl_console_bootstrapper.exe |
| ProductName: | krnl_console_bootstrapper |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_CUI |
| Compilation Date: | 27-May-2021 19:23:04 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | krnl_console_bootstrapper |
| FileVersion: | 1.0.0.0 |
| InternalName: | krnl_console_bootstrapper.exe |
| LegalCopyright: | Copyright © 2021 |
| LegalTrademarks: | - |
| OriginalFilename: | krnl_console_bootstrapper.exe |
| ProductName: | krnl_console_bootstrapper |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 27-May-2021 19:23:04 |
| 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 | 0x00002000 | 0x0029AD98 | 0x0029AE00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.84131 |
.rsrc | 0x0029E000 | 0x0003E912 | 0x0003EA00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 1.20886 |
.reloc | 0x002DE000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
32512 | 2.01924 | 20 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
35
Monitored processes
1
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 552 | "C:\Users\admin\AppData\Local\Temp\krnl_console_bootstrapper.exe" | C:\Users\admin\AppData\Local\Temp\krnl_console_bootstrapper.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Description: krnl_console_bootstrapper Exit code: 3221225786 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
3 057
Read events
3 033
Write events
24
Delete events
0
Modification events
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (552) krnl_console_bootstrapper.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\krnl_console_bootstrapper_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 552 | krnl_console_bootstrapper.exe | C:\Users\admin\Documents\7za.exe | executable | |
MD5:EC79CABD55A14379E4D676BB17D9E3DF | SHA256:44A55F5D9C31D0990DE47B9893E0C927478930CEF06FBE2D1F520A6D6CBA587D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
3
Threats
0
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 |
|---|---|---|---|---|---|---|
552 | krnl_console_bootstrapper.exe | 104.21.39.171:443 | cdn.krnl.ca | Cloudflare Inc | US | malicious |
552 | krnl_console_bootstrapper.exe | 172.67.184.247:443 | k-storage.com | — | US | suspicious |
552 | krnl_console_bootstrapper.exe | 104.21.19.41:443 | k-storage.com | Cloudflare Inc | US | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
cdn.krnl.ca |
| malicious |
k-storage.com |
| malicious |
dns.msftncsi.com |
| shared |