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File name:

putty.exe

Full analysis: https://app.any.run/tasks/ba0bb787-5ae2-4682-b8fa-90df35e38653
Verdict: Malicious activity
Analysis date: January 22, 2019, 20:53:56
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:

07A8F9737F40971A810CF4DC28BBE43E

SHA1:

7EB15C9385301A170E529E39F7F3DDE371890B87

SHA256:

A9468A1307C10E9DE6B1D25E4D2EF59261B81F580EC93D6D3A573A887107317C

SSDEEP:

12288:ep1Zi2lqs8xRoO6Ql+T9BuxYrqukBcUZUV0A90dWI:ebLul7YrqukBKVd+d1

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

    • Runs PING.EXE for delay simulation

      • cmd.exe (PID: 3232)
  • SUSPICIOUS

    • Application launched itself

      • putty.exe (PID: 2976)
      • ytfovlym.exe (PID: 3988)
    • Executable content was dropped or overwritten

      • putty.exe (PID: 2976)
      • cmd.exe (PID: 3232)
    • Starts CMD.EXE for commands execution

      • putty.exe (PID: 2976)
    • Creates files in the user directory

      • putty.exe (PID: 2976)
    • Starts itself from another location

      • putty.exe (PID: 2976)
  • INFO

    • Dropped object may contain Bitcoin addresses

      • cmd.exe (PID: 3232)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

ProductVersion: 3.9
ProductName: Network Security Services
OriginalFileName: nss3.dll
LegalCopyright: Copyright © 1994-2001 Netscape Communications Corporation
InternalName: nss3
FileVersion: 3.9
FileDescription: NSS Base Library
CompanyName: Netscape Communications Corporation
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Dynamic link library
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 3.9.0.0
FileVersionNumber: 3.9.0.0
Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: -
OSVersion: 5
EntryPoint: 0x43e4
UninitializedDataSize: -
InitializedDataSize: 786432
CodeSize: 49152
LinkerVersion: 12
PEType: PE32
TimeStamp: 2019:01:23 03:59:59+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 23-Jan-2019 02:59:59
Detected languages:
  • English - United States
CompanyName: Netscape Communications Corporation
FileDescription: NSS Base Library
FileVersion: 3.9
InternalName: nss3
LegalCopyright: Copyright © 1994-2001 Netscape Communications Corporation
OriginalFilename: nss3.dll
ProductName: Network Security Services
ProductVersion: 3.9

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: 0x000000E0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 9
Time date stamp: 23-Jan-2019 02:59:59
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
0x00001000
0x0000BD92
0x0000C000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.66627
.rdata
0x0000D000
0x00002D0E
0x00003000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.19792
CONST
0x00010000
0x00038A20
0x00035000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
6.2938
s2q|
0x00049000
0x00022E0E
0x00023000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.98557
Kv
0x0006C000
0x0000D183
0x0000E000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.79704
QBaL
0x0007A000
0x000122CB
0x00013000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.8828
=Dk9
0x0008D000
0x000311CF
0x00032000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.96718
.rsrc
0x000BF000
0x00000486
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
0.959914
.reloc
0x000C0000
0x0000C3D4
0x0000D000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
5.919

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.37446
824
UNKNOWN
English - United States
RT_VERSION

Imports

ADVAPI32.dll
GDI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MPRAPI.dll
NTDSAPI.dll
OPENGL32.dll
PSAPI.DLL
RASAPI32.dll
RPCRT4.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
7
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start start putty.exe putty.exe no specs ytfovlym.exe no specs cmd.exe ping.exe no specs ytfovlym.exe no specs explorer.exe

Process information

PID
CMD
Path
Indicators
Parent process
2976"C:\Users\admin\AppData\Local\Temp\putty.exe" C:\Users\admin\AppData\Local\Temp\putty.exe
explorer.exe
User:
admin
Company:
Netscape Communications Corporation
Integrity Level:
MEDIUM
Description:
NSS Base Library
Exit code:
0
Version:
3.9
4092C:\Users\admin\AppData\Local\Temp\putty.exe /CC:\Users\admin\AppData\Local\Temp\putty.exeputty.exe
User:
admin
Company:
Netscape Communications Corporation
Integrity Level:
MEDIUM
Description:
NSS Base Library
Exit code:
0
Version:
3.9
3988C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exeputty.exe
User:
admin
Company:
Netscape Communications Corporation
Integrity Level:
MEDIUM
Description:
NSS Base Library
Exit code:
0
Version:
3.9
3232"C:\Windows\System32\cmd.exe" /c ping.exe -n 6 127.0.0.1 & type "C:\Windows\System32\calc.exe" > "C:\Users\admin\AppData\Local\Temp\putty.exe"C:\Windows\System32\cmd.exe
putty.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
3772ping.exe -n 6 127.0.0.1 C:\Windows\system32\PING.EXEcmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
TCP/IP Ping Command
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2308C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe /CC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exeytfovlym.exe
User:
admin
Company:
Netscape Communications Corporation
Integrity Level:
MEDIUM
Description:
NSS Base Library
Exit code:
0
Version:
3.9
3728C:\Windows\explorer.exeC:\Windows\explorer.exe
ytfovlym.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
73
Read events
69
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
3
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3728explorer.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.datbinary
MD5:4E9DD2BE5BE02F4232C4AD12E3ECB4FC
SHA256:4E1355949A921EE801DEF66C43126CDADA60D95314529DE2B99A9FA2C9168C69
2976putty.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.datbinary
MD5:6EDE8AEAA502A2900342118A56DB3119
SHA256:0438D6204B2A535CB5DC2024FCA98776715939C291A313909166A706B5C2EB8C
2976putty.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exeexecutable
MD5:07A8F9737F40971A810CF4DC28BBE43E
SHA256:A9468A1307C10E9DE6B1D25E4D2EF59261B81F580EC93D6D3A573A887107317C
3232cmd.exeC:\Users\admin\AppData\Local\Temp\putty.exeexecutable
MD5:60B7C0FEAD45F2066E5B805A91F4F0FC
SHA256:80C10EE5F21F92F89CBC293A59D2FD4C01C7958AACAD15642558DB700943FA22
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

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
Process
Message
explorer.exe
AAAA