File name:

stub.exe

Full analysis: https://app.any.run/tasks/7f2ac6c3-769a-4ac6-8371-4dd0af3bf83c
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 08, 2023, 18:40:47
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
cyborg
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

74BFAB32741F15B9FCFB32AACFFAB584

SHA1:

496063408CD61466614CC8370A6687D6F8D45663

SHA256:

CE7A28D3F7CBCB06F484A17DCD244AC1CD126F8C557B702E011F57448045F4CF

SSDEEP:

24576:1mEp+bl2LZ894kTja81N5Fjk4LfmVr2b2DamK0lFz:1jMbIZ894kBk0eG2+mK2

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

    • Renames files like ransomware

      • stub.exe (PID: 3356)
    • Cyborg is detected

      • stub.exe (PID: 3356)
  • SUSPICIOUS

    • Reads the Internet Settings

      • stub.exe (PID: 3356)
    • Reads settings of System Certificates

      • stub.exe (PID: 3356)
    • The process checks if it is being run in the virtual environment

      • stub.exe (PID: 3356)
    • Creates files like ransomware instruction

      • stub.exe (PID: 3356)
  • INFO

    • Manual execution by a user

      • stub.exe (PID: 3356)
    • Application launched itself

      • iexplore.exe (PID: 1100)
    • Checks supported languages

      • stub.exe (PID: 3356)
    • Reads the computer name

      • stub.exe (PID: 3356)
    • The process checks LSA protection

      • stub.exe (PID: 3356)
    • Reads Environment values

      • stub.exe (PID: 3356)
    • Create files in a temporary directory

      • stub.exe (PID: 3356)
      • iexplore.exe (PID: 1100)
    • Reads the machine GUID from the registry

      • stub.exe (PID: 3356)
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) (41)
.exe | Win64 Executable (generic) (36.3)
.dll | Win32 Dynamic Link Library (generic) (8.6)
.exe | Win32 Executable (generic) (5.9)
.exe | Win16/32 Executable Delphi generic (2.7)

EXIF

EXE

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: Host Process for Windows Services
OriginalFileName: syborg1finf.exe
LegalCopyright: Copyright © 2017© 2018© 2019
InternalName: syborg1finf.exe
FileVersion: 1.0.0.0
FileDescription: Host Process for Windows Services
CompanyName: Host Process for Windows Services
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: 0x10a00a
UninitializedDataSize: -
InitializedDataSize: 981504
CodeSize: 80896
LinkerVersion: 11
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2019:10:30 10:04:58+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 30-Oct-2019 10:04:58
CompanyName: Host Process for Windows Services
FileDescription: Host Process for Windows Services
FileVersion: 1.0.0.0
InternalName: syborg1finf.exe
LegalCopyright: Copyright © 2017© 2018© 2019
OriginalFilename: syborg1finf.exe
ProductName: Host Process for Windows Services
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: 5
Time date stamp: 30-Oct-2019 10:04:58
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
JbksF\x7f+Z
0x00002000
0x000EB500
0x000EB600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.99982
.text
0x000EE000
0x000138E0
0x00013A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.17471
.rsrc
0x00102000
0x00004200
0x00004200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.61879
.reloc
0x00108000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0980042
0x0010A000
0x00000010
0x00000200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
0.142636

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
2
5.74003
1128
UNKNOWN
UNKNOWN
RT_ICON
3
4.6699
4264
UNKNOWN
UNKNOWN
RT_ICON
4
5.56899
9640
UNKNOWN
UNKNOWN
RT_ICON
32512
2.49203
48
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start cmd.exe no specs #CYBORG stub.exe iexplore.exe no specs iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
1100"C:\Program Files\Internet Explorer\iexplore.exe" https://2no.co/2f8nx5C:\Program Files\Internet Explorer\iexplore.exestub.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
2580"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1100 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3344"C:\Windows\System32\cmd.exe" C:\Windows\System32\cmd.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
3221225786
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
3356"C:\Users\admin\Desktop\stub.exe" C:\Users\admin\Desktop\stub.exe
explorer.exe
User:
admin
Company:
Host Process for Windows Services
Integrity Level:
MEDIUM
Description:
Host Process for Windows Services
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\stub.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
25 540
Read events
25 410
Write events
128
Delete events
2

Modification events

(PID) Process:(3356) stub.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3356) stub.exeKey:HKEY_CURRENT_USER\Control Panel\Desktop
Operation:writeName:WallpaperStyle
Value:
10
(PID) Process:(3356) stub.exeKey:HKEY_CURRENT_USER\Control Panel\Desktop
Operation:writeName:TileWallpaper
Value:
0
(PID) Process:(1100) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
0
(PID) Process:(1100) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30847387
(PID) Process:(1100) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30847437
(PID) Process:(1100) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(1100) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(1100) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(1100) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
0
Suspicious files
155
Text files
14
Unknown types
5

Dropped files

PID
Process
Filename
Type
3356stub.exeC:\Users\admin\Desktop\associateswork.rtfbinary
MD5:EE77E42C8DD6127045DE05CC8A5CBF14
SHA256:FB44EBF675BB5ECBC0CD5FFDC676A3EBE7A24C99D53C819674959DDC214F876F
3356stub.exeC:\Users\admin\Desktop\bushlegal.pngbinary
MD5:2A77DB650C55A8858A14E6C1D555215E
SHA256:3AD8B0A215DC6F9362BBD14BC49AE0F5AD62CF8FBFC06F30D0D3294543617F3D
3356stub.exeC:\Users\admin\Desktop\codeaward.png.Cyborg1binary
MD5:EB943DAF843E144B2602B192FAC29CA4
SHA256:37EECA2E9D91EC722F83AEAFDC397C7CA8E280EB00B57D2625D9D173EF1C74B1
3356stub.exeC:\Users\admin\Desktop\codeaward.pngbinary
MD5:EB943DAF843E144B2602B192FAC29CA4
SHA256:37EECA2E9D91EC722F83AEAFDC397C7CA8E280EB00B57D2625D9D173EF1C74B1
3356stub.exeC:\Users\admin\Desktop\bushlegal.png.Cyborg1binary
MD5:2A77DB650C55A8858A14E6C1D555215E
SHA256:3AD8B0A215DC6F9362BBD14BC49AE0F5AD62CF8FBFC06F30D0D3294543617F3D
3356stub.exeC:\Users\admin\Desktop\associateswork.rtf.Cyborg1binary
MD5:EE77E42C8DD6127045DE05CC8A5CBF14
SHA256:FB44EBF675BB5ECBC0CD5FFDC676A3EBE7A24C99D53C819674959DDC214F876F
3356stub.exeC:\Users\admin\Desktop\councilfunding.jpg.Cyborg1binary
MD5:2737BEAFE970DE47F7C728238A8BC9A6
SHA256:890B8BA11BD30FB1EEF3BE8612670458CA14F6F91C57AA32716A214E536EBBDF
3356stub.exeC:\Users\admin\Desktop\lessapril.rtfbinary
MD5:51069503AAD98B48079D8D1483A0E70B
SHA256:A8B894C26391CE5898206040BEE1155301BD77CFFC42549B5964118EF6C37F5E
3356stub.exeC:\Users\admin\Desktop\levelsquestions.rtf.Cyborg1binary
MD5:6D1317BE5DBDB97528D20B6D142BFB42
SHA256:9D61E6C513C075E18F441CF1545D37749958B7607C6E843B03DD8AE8DA90BDB7
3356stub.exeC:\Users\admin\Desktop\councilfunding.jpgbinary
MD5:2737BEAFE970DE47F7C728238A8BC9A6
SHA256:890B8BA11BD30FB1EEF3BE8612670458CA14F6F91C57AA32716A214E536EBBDF
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
13
DNS requests
8
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2580
iexplore.exe
GET
200
41.63.96.0:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?13170d76602c0c31
ZA
compressed
4.70 Kb
whitelisted
2580
iexplore.exe
GET
429
142.250.185.132:80
http://www.google.com/sorry/index?continue=http://www.google.com/&q=EgTUHiVcGMWE5aIGIjDKVF0VoHlycqqeulsTfQCeGgj2dd6aUUIMj1EdBHfRlr8XWZXLRhOrVWGd9PfsiQwyAXI
US
html
2.98 Kb
malicious
2580
iexplore.exe
GET
200
142.250.186.67:80
http://ocsp.pki.goog/gtsr1/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBQwkcLWD4LqGJ7bE7B1XZsEbmfwUAQU5K8rJnEaK0gnhS9SZizv8IkTcT4CDQIDvFNZazTHGPUBUGY%3D
US
der
724 b
whitelisted
2580
iexplore.exe
GET
200
142.250.186.67:80
http://ocsp.pki.goog/gsr1/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS3V7W2nAf4FiMTjpDJKg6%2BMgGqMQQUYHtmGkUNl8qJUC99BM00qP%2F8%2FUsCEHe9DWzbNvka6iEPxPBY0w0%3D
US
der
1.41 Kb
whitelisted
2580
iexplore.exe
GET
200
23.56.202.135:80
http://x1.c.lencr.org/
GB
der
717 b
whitelisted
2580
iexplore.exe
GET
302
142.250.185.132:80
http://www.google.com/
US
html
356 b
malicious
3356
stub.exe
GET
200
41.63.96.0:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?f910b0ccc953687e
ZA
compressed
62.3 Kb
whitelisted
2580
iexplore.exe
GET
200
41.63.96.0:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?52ead56007513c71
ZA
compressed
4.70 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3356
stub.exe
195.154.118.206:443
6.top4top.net
Online S.a.s.
FR
unknown
3356
stub.exe
41.63.96.0:80
ctldl.windowsupdate.com
LLNW
ZA
suspicious
2580
iexplore.exe
148.251.234.93:443
2no.co
Hetzner Online GmbH
DE
malicious
2580
iexplore.exe
41.63.96.0:80
ctldl.windowsupdate.com
LLNW
ZA
suspicious
2580
iexplore.exe
23.56.202.135:80
x1.c.lencr.org
AKAMAI-AS
GB
suspicious
2580
iexplore.exe
142.250.185.132:80
www.google.com
GOOGLE
US
whitelisted
2580
iexplore.exe
142.250.185.132:443
www.google.com
GOOGLE
US
whitelisted
2580
iexplore.exe
142.250.186.67:80
ocsp.pki.goog
GOOGLE
US
whitelisted

DNS requests

Domain
IP
Reputation
6.top4top.net
  • 195.154.118.206
suspicious
ctldl.windowsupdate.com
  • 41.63.96.0
  • 41.63.96.128
whitelisted
6.top4top.io
  • 195.154.118.206
unknown
f.top4top.io
  • 195.154.118.206
unknown
2no.co
  • 148.251.234.93
whitelisted
x1.c.lencr.org
  • 23.56.202.135
whitelisted
www.google.com
  • 142.250.185.132
malicious
ocsp.pki.goog
  • 142.250.186.67
whitelisted

Threats

PID
Process
Class
Message
Misc activity
AV INFO Observed DNS Request to Filesharing Service (top5top. io)
Misc activity
AV INFO Observed DNS Request to Filesharing Service (top5top. io)
No debug info