File name:

nasm-2.16.03-installer-x64.exe

Full analysis: https://app.any.run/tasks/fd67e2c8-9d99-418b-a9ec-3d7003b9ddd7
Verdict: Malicious activity
Analysis date: May 03, 2024, 10:55:36
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, Nullsoft Installer self-extracting archive
MD5:

4205B5973D293543E89C2069635117E3

SHA1:

1A67E9FE7605777A78096007600BFA1492AD0E9C

SHA256:

657E1252676CFB26A008835C20A760F731C8E0414469A4ED0F83F0FB059CDD35

SSDEEP:

49152:wZWSBJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJR:wZWNwaT7lyT6mlLgBEJZIuoO2pS4BNWv

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

    • Drops the executable file immediately after the start

      • nasm-2.16.03-installer-x64.exe (PID: 3960)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • nasm-2.16.03-installer-x64.exe (PID: 3960)
  • INFO

    • Checks supported languages

      • nasm-2.16.03-installer-x64.exe (PID: 3960)
    • Reads the computer name

      • nasm-2.16.03-installer-x64.exe (PID: 3960)
    • Creates files or folders in the user directory

      • nasm-2.16.03-installer-x64.exe (PID: 3960)
    • Create files in a temporary directory

      • nasm-2.16.03-installer-x64.exe (PID: 3960)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:07:20 00:00:00+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit, No debug
PEType: PE32
LinkerVersion: 2.4
CodeSize: 40960
InitializedDataSize: 67584
UninitializedDataSize: 407552
EntryPoint: 0x4c30
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
32
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start nasm-2.16.03-installer-x64.exe

Process information

PID
CMD
Path
Indicators
Parent process
3960"C:\Users\admin\AppData\Local\Temp\nasm-2.16.03-installer-x64.exe" C:\Users\admin\AppData\Local\Temp\nasm-2.16.03-installer-x64.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\nasm-2.16.03-installer-x64.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
c:\windows\system32\gdi32.dll
Total events
2 399
Read events
2 399
Write events
0
Delete events
0

Modification events

No data
Executable files
5
Suspicious files
4
Text files
4
Unknown types
1

Dropped files

PID
Process
Filename
Type
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Local\bin\NASM\ndisasm.exeexecutable
MD5:43544DF799C5C503DC1D4D35F388825A
SHA256:CD57BE890F2D3D87189E67EB1C2537DE6B85DFC843461D7C0FDD437DC0F1270D
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Local\bin\NASM\LICENSEtext
MD5:90904486F8FBF1861CF42752E1A39EFE
SHA256:1563996C52E220E15EF2418E67D39488255AA8C28C89E617074D3AFE3EE329E0
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Local\bin\NASM\nasm.exeexecutable
MD5:7A564FD688AE791E69C360C1CF54AD61
SHA256:A93276636266516421CC9B422F47476C21F7A2949F1AE251556B2F1D33A3BE04
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Netwide Assembler 2.16.03\nasm.lnkbinary
MD5:D87858F44BCCFA134D92C7BBF79BEAB8
SHA256:076F0759C820628424A4AA485941635E74E971A4C89B179F3879F1A0753DF3F7
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Netwide Assembler 2.16.03\Uninstall.lnkbinary
MD5:ADF049D3A77909EEFC257FF6F0D69CAF
SHA256:A56EAF4D83815B2DA51003228440A616BEC0FCDB4827C45EC16A0DBE34EE9621
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Local\bin\NASM\VSrules\nasm.READMEtext
MD5:F4FA66A649BA86DD88B65F3BE4F7EC3C
SHA256:0674377CFCF55A6C951A1EB60E960859D4247BE0E563C642C73C74DC806C0627
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Local\Temp\nse35F8.tmp\StartMenu.dllexecutable
MD5:AC238522827CFF2C921D83C76DEE76D4
SHA256:95218C916FD8514CFD7FC234D44A5B0930CA5C1C8DD133E0AD18127CE5ED1D8A
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Local\bin\NASM\nasm.icoimage
MD5:E4017E050E3A359A898AA0E01364C6B9
SHA256:C2FAB8B5C7CF43FB7E381AB39FBF625A30267646D9B6795034BFE3E610066C8D
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Netwide Assembler 2.16.03\Manual.lnkbinary
MD5:0A11AE4487758C8A036E691453A4B3D6
SHA256:CE4184C671DA243C9BF2A7E605EB51D40DDA9E14AD9CE2D35FE9730888D711C6
3960nasm-2.16.03-installer-x64.exeC:\Users\admin\AppData\Local\bin\NASM\Uninstall.exeexecutable
MD5:5DAF94410F68F7EA5BEDA051C9F23054
SHA256:E94531C8677F86373377E55F55BEFCA0C9BECD084F48571DB63A87AC154ED04F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
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

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
whitelisted
224.0.0.252:5355
unknown
4
System
192.168.100.255:137
whitelisted
1088
svchost.exe
224.0.0.252:5355
unknown

DNS requests

No data

Threats

No threats detected
No debug info