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File name:

ex.exe

Full analysis: https://app.any.run/tasks/61c514e3-4f55-49ce-b5ff-bac708608caf
Verdict: Malicious activity
Analysis date: May 20, 2022, 16:17:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

95D2D5B114B15F62A68EF671EFEA960C

SHA1:

B7C3A81C0DE9407BB4D1D17A8BC86315F3A3AD49

SHA256:

B718E33A2CA58E4DA31BBAB3E6FA086AEE66040B863DA973F0C55070EE22921A

SSDEEP:

24576:lx0vtufKPsjpkbPwdnITPkGr9HtTwkpXDvASps9ojoU6ISv3OvSJ9QFQfrXu:lm7hzwdcsGttTwsUA0cSPaQf

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 executable file immediately after starts

      • ex.exe (PID: 688)

    • Loads dropped or rewritten executable

      • ex.exe (PID: 688)

  • SUSPICIOUS

    • Checks supported languages

      • ex.exe (PID: 688)
      • cmd.exe (PID: 3464)

    • Reads the computer name

      • ex.exe (PID: 688)

    • Executable content was dropped or overwritten

      • ex.exe (PID: 688)

    • Starts CHOICE.EXE (used to create a delay)

      • cmd.exe (PID: 3464)

    • Starts CMD.EXE for commands execution

      • ex.exe (PID: 688)

    • Drops a file with a compile date too recent

      • ex.exe (PID: 688)

    • Reads Environment values

      • ex.exe (PID: 688)

  • INFO

    • Checks supported languages

      • choice.exe (PID: 3572)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: InstallExt
OriginalFileName: InstallExt.exe
LegalTrademarks: -
LegalCopyright: Copyright © 2022
InternalName: InstallExt.exe
FileVersion: 1.0.0.0
FileDescription: InstallExt
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x17845e
UninitializedDataSize: -
InitializedDataSize: 2048
CodeSize: 1533440
LinkerVersion: 48
PEType: PE32
TimeStamp: 2090:05:16 03:07:19+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 09-Apr-1954 18:39:03
Debug artifacts:
  • C:\Users\sinful\Desktop\Ultimate\rulo\ExtensionInstaller\ObfExt\ObfExt\bin\Debug\InstallExt\InstallExt\obj\x86\Debug\InstallExt.pdb
Comments: -
CompanyName: -
FileDescription: InstallExt
FileVersion: 1.0.0.0
InternalName: InstallExt.exe
LegalCopyright: Copyright © 2022
LegalTrademarks: -
OriginalFilename: InstallExt.exe
ProductName: InstallExt
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 09-Apr-1954 18:39:03
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
0x00002000
0x00176464
0x00176600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.0673
.rsrc
0x0017A000
0x000005BC
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.09781
.reloc
0x0017C000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.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
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start ex.exe cmd.exe no specs choice.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
688"C:\Users\admin\AppData\Local\Temp\ex.exe" C:\Users\admin\AppData\Local\Temp\ex.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
InstallExt
Exit code:
0
Version:
1.0.0.0
3464"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\admin\AppData\Local\Temp\ex.exe"C:\Windows\System32\cmd.exe—ex.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)
3572choice /C Y /N /D Y /T 3 C:\Windows\system32\choice.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Offers the user a choice
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
611
Read events
591
Write events
20
Delete events
0

Modification events

(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASMANCS
Operation:writeName:FileTracingMask
Value:
(PID) Process:(688) ex.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ex_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
Executable files
1
Suspicious files
0
Text files
0
Unknown types
1

Dropped files

PID
Process
Filename
Type
688ex.exeC:\Users\admin\AppData\Local\Temp\Costura\C369E9E2F12D9932A85C2399B1074036\32\sqlite.interop.dllexecutable
MD5:E962A1987DDF83D7050AD3752BB56CB6
SHA256:77B3EADBC24D7BAFDB5FFBEA389FAD9722DB7B563E849388510002CB759E2C00
688ex.exeC:\Users\admin\AppData\Local\Temp\tmp4529.tmp-1558ecbd-1d60-4917-ae74-2d4820c6812asqlite
MD5:B98E46B09E0B97F0839DC7897AEA7F9A
SHA256:45AF197F8FB09FC1BB9AFF9D76F1E8FF06B5906F6A9E8F4CF2213DE0A8B1213A
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
2
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
688
ex.exe
172.93.179.212:443
russk21.icu
Continuum Data Centers, LLC.
US
malicious

DNS requests

Domain
IP
Reputation
russk21.icu
  • 172.93.179.212
malicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET INFO DNS Query for Suspicious .icu Domain
Process
Message
ex.exe
Verify completed in 0 milliseconds, total of 1 times in 0 milliseconds.
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Reports
ex.exe