| File name: | putty.exe |
| Full analysis: | https://app.any.run/tasks/9748bda4-4600-4172-be44-30e2c16f4dd6 |
| Verdict: | Malicious activity |
| Analysis date: | July 11, 2019, 21:23:10 |
| 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, Nullsoft Installer self-extracting archive |
| MD5: | 166F0D1D17C6059AB5B721A7B69EEA14 |
| SHA1: | 786D231963F25C7E2A44B21910433644169C07EA |
| SHA256: | B475F14A1FFDEAF883C73E97724544B9BBA0F6C481830BD25E3BA0D0F69B9181 |
| SSDEEP: | 12288:AEb7oGfw7QxYTG+N8e+Q9z02J6zpWPT0ge4dI/R5DQlOyo/nVsFkgiVjZF:z4EOQxYTGMJ61W9I/HDQlOyYVsMj3 |
MALICIOUS
Loads dropped or rewritten executable
- putty.exe (PID: 3172)
- avz.exe (PID: 2284)
Application was dropped or rewritten from another process
- avz.exe (PID: 2284)
Writes to a start menu file
- putty.exe (PID: 3172)
Actions looks like stealing of personal data
- avz.exe (PID: 2284)
SUSPICIOUS
Creates files in the user directory
- putty.exe (PID: 3172)
- avz.exe (PID: 2284)
Executable content was dropped or overwritten
- putty.exe (PID: 3172)
Reads the cookies of Mozilla Firefox
- avz.exe (PID: 2284)
Uses RUNDLL32.EXE to load library
- avz.exe (PID: 2284)
Loads DLL from Mozilla Firefox
- avz.exe (PID: 2284)
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 MS Visual C++ (generic) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:12:15 23:24:41+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 25600 |
| InitializedDataSize: | 162816 |
| UninitializedDataSize: | 1024 |
| EntryPoint: | 0x320c |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Dec-2018 22:24:41 |
| Detected languages: |
|
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: | 0x000000D8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 15-Dec-2018 22:24:41 |
| 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 | 0x0000628F | 0x00006400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.44221 |
.rdata | 0x00008000 | 0x0000135C | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.24004 |
.data | 0x0000A000 | 0x00025518 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.04938 |
.ndata | 0x00030000 | 0x00008000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00038000 | 0x00000A50 | 0x00000C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.18191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.2992 | 830 | UNKNOWN | English - United States | RT_MANIFEST |
103 | 2.16096 | 20 | UNKNOWN | English - United States | RT_GROUP_ICON |
105 | 2.66174 | 256 | UNKNOWN | English - United States | RT_DIALOG |
106 | 2.88094 | 284 | UNKNOWN | English - United States | RT_DIALOG |
111 | 2.48825 | 96 | UNKNOWN | English - United States | RT_DIALOG |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
ole32.dll |
Total processes
36
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2284 | C:\Users\admin\AppData\Roaming\Avz4\avz.exe | C:\Users\admin\AppData\Roaming\Avz4\avz.exe | putty.exe | ||||||||||||
User: admin Company: Лаборатория Касперского, 2007-2015 Integrity Level: MEDIUM Description: Антивирусная утилита AVZ Exit code: 0 Version: 4.45.0.104 Modules
| |||||||||||||||
| 2372 | rundll32.exe | C:\Windows\system32\rundll32.exe | — | avz.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3172 | "C:\Users\admin\AppData\Local\Temp\putty.exe" | C:\Users\admin\AppData\Local\Temp\putty.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
768
Read events
747
Write events
21
Delete events
0
Modification events
| (PID) Process: | (2284) avz.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Security |
| Operation: | write | Name: | VBAWarnings |
Value: 1 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\8.0\Outlook\Security |
| Operation: | write | Name: | Level |
Value: 1 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Security |
| Operation: | write | Name: | Level |
Value: 1 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\avz_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\avz_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\avz_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\avz_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\avz_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\avz_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2284) avz.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\avz_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
Executable files
7
Suspicious files
1
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2284 | avz.exe | C:\Users\admin\AppData\Roaming\ntuser.dat | binary | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Local\Temp\nsr4AEF.tmp\winspool.drv | executable | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Roaming\Avz4\update.dll | executable | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Roaming\Avz4\winspool.drv | executable | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Local\Temp\nsr4AEF.tmp\update.dll | executable | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Local\Temp\nsr4AEF.tmp\avz.exe | executable | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Roaming\Avz4\avz.exe | executable | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Avz.lnk | lnk | |
MD5:— | SHA256:— | |||
| 3172 | putty.exe | C:\Users\admin\AppData\Local\Temp\nst3756.tmp\CreateMutex.dll | executable | |
MD5:F456E00369C92BED416BB38A4E2FAE1B | SHA256:F65AE726D53A8B10444AD48AFB02DC06DD2BA1644136C451A6CD2B493512C5F6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
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 |
|---|---|---|---|---|---|---|
2284 | avz.exe | 95.179.159.170:443 | redmond.corp-microsoft.com | Cosmoline Telecommunication Services S.A. | GR | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
redmond.corp-microsoft.com |
| whitelisted |