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File name:

Defender.exe

Full analysis: https://app.any.run/tasks/3bcea8f5-b21d-4209-b627-c62dac1e57b3
Verdict: Malicious activity
Threats:

Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying.

Analysis date: May 24, 2019, 22:44:49
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, RAR self-extracting archive
MD5:

D35FA59CE558FE08955CE0E807CE07D0

SHA1:

3FA0E015ACDDAD634F9F362099F3D79683159726

SHA256:

A5DE5B0E2A1DA6E958955C189DB72467EC0F8DAAA9F9F5CCC44E71C6C5D8ADD4

SSDEEP:

393216:SJVjSCChYtRVGv6EN7Qix2RM9UV+IkRq9+9lZDGfcsWNM3ZjX9VZ:SJVWhGyN79x5UV+IkAIHhn+pLZ

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

    • Loads dropped or rewritten executable

      • Defender_nt32_enu.exe (PID: 2860)
      • avrsrv.exe (PID: 2168)
    • Application was dropped or rewritten from another process

      • taskhost.exe (PID: 3360)
      • taskhost.exe (PID: 3284)
      • Defender_nt32_enu.exe (PID: 2860)
      • BootHelper.exe (PID: 808)
      • avrsrv.exe (PID: 2168)
      • Defender_nt32_enu.exe (PID: 3512)
      • Help.exe (PID: 1520)
      • rm.exe (PID: 2292)
    • Changes the autorun value in the registry

      • taskhost.exe (PID: 3284)
    • Changes Image File Execution Options

      • Help.exe (PID: 1520)
    • Writes to a start menu file

      • taskhost.exe (PID: 3284)
    • Deletes shadow copies

      • cmd.exe (PID: 3332)
    • Changes settings of System certificates

      • avrsrv.exe (PID: 2168)
    • Runs app for hidden code execution

      • taskhost.exe (PID: 3284)
    • Actions looks like stealing of personal data

      • taskhost.exe (PID: 3284)
    • Renames files like Ransomware

      • taskhost.exe (PID: 3284)
    • Modifies files in Chrome extension folder

      • taskhost.exe (PID: 3284)
  • SUSPICIOUS

    • Application launched itself

      • taskhost.exe (PID: 3360)
    • Executable content was dropped or overwritten

      • Defender_nt32_enu.exe (PID: 3512)
      • Defender.exe (PID: 3732)
      • taskhost.exe (PID: 3284)
      • Defender_nt32_enu.exe (PID: 2860)
    • Executed as Windows Service

      • vssvc.exe (PID: 1040)
    • Starts CMD.EXE for commands execution

      • taskhost.exe (PID: 3284)
    • Executed via COM

      • unsecapp.exe (PID: 3012)
      • DllHost.exe (PID: 588)
    • Reads the cookies of Google Chrome

      • taskhost.exe (PID: 3284)
    • Adds / modifies Windows certificates

      • avrsrv.exe (PID: 2168)
    • Searches for installed software

      • avrsrv.exe (PID: 2168)
    • Reads the cookies of Mozilla Firefox

      • taskhost.exe (PID: 3284)
    • Creates files in the user directory

      • taskhost.exe (PID: 3284)
    • Creates files in the program directory

      • taskhost.exe (PID: 3284)
  • INFO

    • Application launched itself

      • msiexec.exe (PID: 1212)
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) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: -
OSVersion: 5
EntryPoint: 0x1e64b
UninitializedDataSize: -
InitializedDataSize: 412672
CodeSize: 169984
LinkerVersion: 9
PEType: PE32
TimeStamp: 2016:02:03 20:38:25+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 03-Feb-2016 19:38:25
Detected languages:
  • English - United States
  • Process Default Language
Debug artifacts:
  • d:\Projects\WinRAR\SFX\build\sfxrar32\Release\sfxrar.pdb

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: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 03-Feb-2016 19:38:25
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00029604
0x00029800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.7094
.rdata
0x0002B000
0x000058A3
0x00005A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.09421
.data
0x00031000
0x00021608
0x00001800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.58964
.rsrc
0x00053000
0x0005D9E8
0x0005DA00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.33344

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.26192
1875
Latin 1 / Western European
English - United States
RT_MANIFEST
2
2.23676
4264
Latin 1 / Western European
Process Default Language
RT_ICON
3
2.10293
9640
Latin 1 / Western European
Process Default Language
RT_ICON
4
2.04833
16936
Latin 1 / Western European
Process Default Language
RT_ICON
5
1.93416
67624
Latin 1 / Western European
Process Default Language
RT_ICON
6
2.74971
270376
Latin 1 / Western European
Process Default Language
RT_ICON
7
3.1586
482
Latin 1 / Western European
English - United States
RT_STRING
8
3.11685
460
Latin 1 / Western European
English - United States
RT_STRING
9
3.15447
494
Latin 1 / Western European
English - United States
RT_STRING
10
2.99727
326
Latin 1 / Western European
English - United States
RT_STRING

Imports

COMCTL32.dll (delay-loaded)
KERNEL32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
58
Monitored processes
18
Malicious processes
7
Suspicious processes
2

Behavior graph

Click at the process to see the details
drop and start drop and start drop and start start drop and start drop and start drop and start defender.exe no specs defender.exe defender_nt32_enu.exe taskhost.exe no specs help.exe defender_nt32_enu.exe boothelper.exe no specs taskhost.exe cmd.exe no specs mode.com no specs vssadmin.exe no specs vssvc.exe no specs avrsrv.exe unsecapp.exe no specs rm.exe no specs msiexec.exe no specs msiexec.exe no specs PhotoViewer.dll no specs

Process information

PID
CMD
Path
Indicators
Parent process
3360"C:\Users\admin\AppData\Local\Temp\Defender.exe" C:\Users\admin\AppData\Local\Temp\Defender.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
3732"C:\Users\admin\AppData\Local\Temp\Defender.exe" C:\Users\admin\AppData\Local\Temp\Defender.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
3512"C:\Users\admin\AppData\Local\Temp\Defender_nt32_enu.exe" C:\Users\admin\AppData\Local\Temp\Defender_nt32_enu.exe
Defender.exe
User:
admin
Company:
ESET
Integrity Level:
HIGH
Description:
ESET AV Remover
Exit code:
0
Version:
1.2.4.0
3360"C:\Users\admin\AppData\Local\Temp\taskhost.exe" C:\Users\admin\AppData\Local\Temp\taskhost.exeDefender.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
1520"C:\Users\admin\AppData\Local\Temp\Help.exe" C:\Users\admin\AppData\Local\Temp\Help.exe
Defender.exe
User:
admin
Company:
ctuser
Integrity Level:
HIGH
Description:
Reg2exe 'converter'
Exit code:
0
Version:
2.25
2860"C:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\Defender_nt32_enu.exe" --bts-container 3512 "C:\Users\admin\AppData\Local\Temp\Defender_nt32_enu.exe" C:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\Defender_nt32_enu.exe
Defender_nt32_enu.exe
User:
admin
Company:
ESET
Integrity Level:
HIGH
Description:
ESET AV Remover
Exit code:
0
Version:
1.2.4.0
808BootHelper.exe --watchdog 2860 --product "ESET AV Remover" 1.2.4.0 1033C:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\BootHelper.exeDefender_nt32_enu.exe
User:
admin
Company:
ESET
Integrity Level:
HIGH
Description:
ESET Bootstrapper Helper
Exit code:
0
Version:
1.2.4.0
3284"C:\Users\admin\AppData\Local\Temp\taskhost.exe"C:\Users\admin\AppData\Local\Temp\taskhost.exe
taskhost.exe
User:
admin
Integrity Level:
HIGH
3332"C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exetaskhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
3412mode con cp select=1251C:\Windows\system32\mode.comcmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
DOS Device MODE Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 080
Read events
1 001
Write events
0
Delete events
0

Modification events

No data
Executable files
19
Suspicious files
1 281
Text files
153
Unknown types
62

Dropped files

PID
Process
Filename
Type
2860Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\avrsrv.exeexecutable
MD5:411C9041B4DFCE01232FC161B05B8C46
SHA256:BCCACFF1F710F95C8D41E53C384023D96FF6E7B525F5F3747C5AC683F559C642
2860Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\libwautils.dllexecutable
MD5:07CBD79ED6FD0E79BCAF84E96E987715
SHA256:3BDB27712E9682C245B035155FBF1FB44D2F6D70331A7E55C1B2CAB9DA6C91E9
2860Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\libwalocal.dllexecutable
MD5:378AE2DD2ADE683F9C9F590ED04C6DDF
SHA256:07F7AB83B4467D2E7DCBEE9926B3C1F85D815FBDFFDAE4541BABEE1C9E27F5C7
2860Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\rm.exeexecutable
MD5:6F0DC2690CB54A1B16710716F41CBEA9
SHA256:14FEA4F9FBB9F4EFD3958620087E06F62E6C9181762ED673E6E807C8BBAD85E5
2860Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\plgAVRemover.dllexecutable
MD5:099E32E5A8C23F0F7E747DD1E5B3AA5B
SHA256:332E6E1C1CA1EA97308FB44D5DEFD0CE2D44434DC08B3295E76499DC4FBE587B
3732Defender.exeC:\Users\admin\AppData\Local\Temp\Defender_nt32_enu.exeexecutable
MD5:BA0B09DAD5E153C834C26B5A6F31D48A
SHA256:0D7E4D980AE644438EE17C1EA61AC076983EC3EFB3CC9D3B588D2D92E52D7C83
3512Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\Defender_nt32_enu.exeexecutable
MD5:FF4877B3B99E0FF3986EEADF61D49675
SHA256:61D02A7CBEB2BD9C555B9DF2EA9B65F8FE079EA04A128D7B59279DD58FF43B5A
3732Defender.exeC:\Users\admin\AppData\Local\Temp\taskhost.exeexecutable
MD5:BDE189D41DC7594FB6AB5E3FEE659B0E
SHA256:703B57ADAF02EEF74097E5DE9D0BBD06FC2C29EA7F92C90D54A0B9A01172BABE
2860Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\sciter-x.dllexecutable
MD5:BB34A6A2D76959AFA73374E94C2ED122
SHA256:69DB7C82C147C5371D556FED5C0C0B44252B474298B0BE09BC4B42CDC0C15F63
2860Defender_nt32_enu.exeC:\Users\admin\AppData\Local\Temp\eset\bts.session\{02D83BBE-1076-93F8-0C9E-01CD5529AEF4}\exclusions.txttext
MD5:848FB9D7DBC9F79A30587DCD76BAA1A9
SHA256:E498DBE001BCAD5C3A43E5BCE9995E6FCAD83CAB44A4C2FA038E3E33EB9057C0
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
1
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

Domain
IP
Reputation
gearssdk.opswat.com
  • 127.0.0.1
unknown

Threats

No threats detected
No debug info