File name:

Setup_4nec2.exe

Full analysis: https://app.any.run/tasks/fd550806-9dfc-44ed-9a60-683725f64eb8
Verdict: Malicious activity
Analysis date: January 21, 2024, 14:35:09
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:

D811164DD44E1982941E4731743974F8

SHA1:

3CA7C41D577CCB91C377450CBFF8D29866F811CF

SHA256:

912D95968694FE1454F6111529BEB8012DFBF51A7D7AAF2FCDC375F17F079E27

SSDEEP:

98304:0E0s3kIksqHwdubFDcYZ6uK/vYhoVk8PJfvekVYZ69azcPNa2ZaMGX5nqMgsKbpN:mXf8tRYgH

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

      • Setup_4nec2.exe (PID: 2184)
      • Setup_4nec2.exe (PID: 2024)
      • Setup_4nec2.tmp (PID: 2016)

    • Registers / Runs the DLL via REGSVR32.EXE

      • Setup_4nec2.tmp (PID: 2016)

    • Creates a writable file in the system directory

      • Setup_4nec2.tmp (PID: 2016)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Setup_4nec2.exe (PID: 2184)
      • Setup_4nec2.exe (PID: 2024)
      • Setup_4nec2.tmp (PID: 2016)

    • Process drops legitimate windows executable

      • Setup_4nec2.tmp (PID: 2016)

    • Reads the Windows owner or organization settings

      • Setup_4nec2.tmp (PID: 2016)

    • Creates/Modifies COM task schedule object

      • regsvr32.exe (PID: 1864)

    • Starts CMD.EXE for commands execution

      • 4nec2.exe (PID: 1808)

    • Executing commands from a ".bat" file

      • 4nec2.exe (PID: 1808)

    • Start notepad (likely ransomware note)

      • Setup_4nec2.tmp (PID: 116)

  • INFO

    • Checks supported languages

      • Setup_4nec2.exe (PID: 2184)
      • Setup_4nec2.tmp (PID: 116)
      • Setup_4nec2.exe (PID: 2024)
      • Setup_4nec2.tmp (PID: 2016)
      • 4nec2.exe (PID: 1808)
      • nec2dxs1K5.exe (PID: 1728)
      • nec2dxs1K5.exe (PID: 188)
      • nec2dxs1K5.exe (PID: 2056)
      • nec2dxs1K5.exe (PID: 2624)
      • nec2dxs1K5.exe (PID: 2736)
      • nec2dxs1K5.exe (PID: 2316)
      • nec2dxs1K5.exe (PID: 376)
      • nec2dxs1K5.exe (PID: 2808)
      • nec2dxs1K5.exe (PID: 2388)
      • nec2dxs1K5.exe (PID: 2176)
      • nec2dxs1K5.exe (PID: 2780)
      • nec2dxs1K5.exe (PID: 2908)
      • nec2dxs1K5.exe (PID: 1984)
      • nec2dxs1K5.exe (PID: 2496)
      • nec2dxs1K5.exe (PID: 2536)

    • Create files in a temporary directory

      • Setup_4nec2.exe (PID: 2184)
      • Setup_4nec2.exe (PID: 2024)
      • Setup_4nec2.tmp (PID: 2016)
      • 4nec2.exe (PID: 1808)

    • Reads the computer name

      • Setup_4nec2.tmp (PID: 116)
      • Setup_4nec2.tmp (PID: 2016)

    • Creates files in the program directory

      • Setup_4nec2.tmp (PID: 2016)

    • Reads the machine GUID from the registry

      • 4nec2.exe (PID: 1808)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Inno Setup installer (77.7)
.exe | Win32 Executable Delphi generic (10)
.dll | Win32 Dynamic Link Library (generic) (4.6)
.exe | Win32 Executable (generic) (3.1)
.exe | Win16/32 Executable Delphi generic (1.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:06:20 00:22:17+02:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi
PEType: PE32
LinkerVersion: 2.25
CodeSize: 37888
InitializedDataSize: 17920
UninitializedDataSize: -
EntryPoint: 0x9b24
OSVersion: 1
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: This installation was built with Inno Setup.
CompanyName: 4nec2@gmx.net (Use "4nec2 modeller" as the subject)
FileDescription: 4nec2 Setup
FileVersion:
LegalCopyright:
ProductName: 4nec2
ProductVersion:
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
91
Monitored processes
40
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start setup_4nec2.exe setup_4nec2.tmp no specs setup_4nec2.exe setup_4nec2.tmp regsvr32.exe no specs regsvr32.exe no specs regsvr32.exe no specs regsvr32.exe no specs notepad.exe no specs 4nec2.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs cmd.exe no specs nec2dxs1k5.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
116"C:\Users\admin\AppData\Local\Temp\is-9MJEQ.tmp\Setup_4nec2.tmp" /SL5="$301AA,3960781,54272,C:\Users\admin\AppData\Local\Temp\Setup_4nec2.exe" C:\Users\admin\AppData\Local\Temp\is-9MJEQ.tmp\Setup_4nec2.tmp—Setup_4nec2.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Setup/Uninstall
Exit code:
0
Version:
51.50.0.0
Modules
Images
c:\users\admin\appdata\local\temp\is-9mjeq.tmp\setup_4nec2.tmp
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
188Nec2dXS1k5.exe C:\4nec2\exe\nec2dxs1K5.exe—cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\4nec2\exe\nec2dxs1k5.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
376Nec2dXS1k5.exe C:\4nec2\exe\nec2dxs1K5.exe—cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\4nec2\exe\nec2dxs1k5.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
584"C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\Tabctl32.ocx"C:\Windows\System32\regsvr32.exe—Setup_4nec2.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\regsvr32.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\system32\user32.dll
c:\windows\system32\gdi32.dll
848C:\Windows\system32\cmd.exe /c ""C:\4nec2\exe\4nec2.bat" gen Nec2dXS1k5 NOW"C:\Windows\System32\cmd.exe—4nec2.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)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
876C:\Windows\system32\cmd.exe /c ""C:\4nec2\exe\4nec2.bat" gen Nec2dXS1k5 NOW"C:\Windows\System32\cmd.exe—4nec2.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)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1216"C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\dx8vb.dll"C:\Windows\System32\regsvr32.exe—Setup_4nec2.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\regsvr32.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\system32\user32.dll
c:\windows\system32\gdi32.dll
1572C:\Windows\system32\cmd.exe /c ""C:\4nec2\exe\4nec2.bat" gen Nec2dXS1k5 NOW"C:\Windows\System32\cmd.exe—4nec2.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)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1632"C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\Msflxgrd.ocx"C:\Windows\System32\regsvr32.exe—Setup_4nec2.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\regsvr32.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\system32\user32.dll
c:\windows\system32\gdi32.dll
1728Nec2dXS1k5.exe C:\4nec2\exe\nec2dxs1K5.exe—cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\4nec2\exe\nec2dxs1k5.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
Total events
1 968
Read events
1 954
Write events
9
Delete events
5

Modification events

(PID) Process:(1632) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6262D3A0-531B-11CF-91F6-C2863C385E30}
Operation:delete keyName:(default)
Value:
(PID) Process:(1632) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6319EEA0-531B-11CF-91F6-C2863C385E30}
Operation:delete keyName:(default)
Value:
(PID) Process:(1632) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{275DBBA0-805A-11CF-91F7-C2863C385E30}
Operation:delete keyName:(default)
Value:
(PID) Process:(1632) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib
Operation:writeName:Version
Value:
2.0
(PID) Process:(1632) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib
Operation:writeName:Version
Value:
2.0
(PID) Process:(584) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}
Operation:delete keyName:(default)
Value:
(PID) Process:(584) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7DA06D40-54A0-11CF-A521-0080C77A7786}
Operation:delete keyName:(default)
Value:
(PID) Process:(584) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib
Operation:writeName:Version
Value:
1.0
(PID) Process:(584) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib
Operation:writeName:Version
Value:
1.0
(PID) Process:(1864) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D5DE8D20-5BB8-11D1-A1E3-00A0C90F2731}\InProcServer32
Operation:writeName:ThreadingModel
Value:
Apartment
Executable files
46
Suspicious files
30
Text files
1 174
Unknown types
0

Dropped files

PID
Process
Filename
Type
2016Setup_4nec2.tmpC:\Users\admin\AppData\Local\Temp\is-7LHEF.tmp\_isetup\_RegDLL.tmpexecutable
MD5:0EE914C6F0BB93996C75941E1AD629C6
SHA256:4DC09BAC0613590F1FAC8771D18AF5BE25A1E1CB8FDBF4031AA364F3057E74A2
2184Setup_4nec2.exeC:\Users\admin\AppData\Local\Temp\is-9MJEQ.tmp\Setup_4nec2.tmpexecutable
MD5:ED69E64731547EBA52476A2D2A2F7882
SHA256:427FA988A8A8C63393693FFEB61DDEC195F000220EE55FD5112EC91682E933B0
2016Setup_4nec2.tmpC:\4nec2\_Out_of_env_space.txttext
MD5:5708F56F2AEE9D5AF652EF754C1A695B
SHA256:E8AA45B87EF665E097048232B5697324D6CAB206B70B7BE14A2D313060EFE4C7
2016Setup_4nec2.tmpC:\4nec2\unins000.exeexecutable
MD5:FBA1DE70F5BB8544A9753957F269F897
SHA256:87931B032A78E11A4DD491E21A66A9F24DF3FFBBEF61B5672BFE286E3903953B
2016Setup_4nec2.tmpC:\4nec2\is-GIS8S.tmptext
MD5:FF5EAFFB8D9035D6ED18123AB54251BF
SHA256:74EB723197B34CFBBA65933717B4FA0A6308B8A18A6183C700878EDB218453B0
2016Setup_4nec2.tmpC:\Users\admin\AppData\Local\Temp\is-7LHEF.tmp\_isetup\_shfoldr.dllexecutable
MD5:92DC6EF532FBB4A5C3201469A5B5EB63
SHA256:9884E9D1B4F8A873CCBD81F8AD0AE257776D2348D027D811A56475E028360D87
2016Setup_4nec2.tmpC:\4nec2\is-LF8FL.tmptext
MD5:208A3AF8352E14DB32306E4A95FB1406
SHA256:6A756FCFE40677048091098A302C880C24979AAA1A6416233FCC2F69148C00D7
2016Setup_4nec2.tmpC:\4nec2\Nec2.docdocument
MD5:C0BAF5358FC6CC4CFDFE1EDE512D68EB
SHA256:CDE6E5890BBD4DB74B2002387B9BF3CAEA23A81D9F91858471CF9437873F781D
2016Setup_4nec2.tmpC:\4nec2\Cards.rtftext
MD5:208A3AF8352E14DB32306E4A95FB1406
SHA256:6A756FCFE40677048091098A302C880C24979AAA1A6416233FCC2F69148C00D7
2016Setup_4nec2.tmpC:\4nec2\is-FV3QP.tmpdocument
MD5:C0BAF5358FC6CC4CFDFE1EDE512D68EB
SHA256:CDE6E5890BBD4DB74B2002387B9BF3CAEA23A81D9F91858471CF9437873F781D
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
4
System
192.168.100.255:137
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
Setup_4nec2.exe