File name:

Krotten.exe

Full analysis: https://app.any.run/tasks/272c8459-00ac-4d10-b892-1908fed1a9e5
Verdict: Malicious activity
Analysis date: February 13, 2024, 08:41:45
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:

87CCD6F4EC0E6B706D65550F90B0E3C7

SHA1:

213E6624BFF6064C016B9CDC15D5365823C01F5F

SHA256:

E79F164CCC75A5D5C032B4C5A96D6AD7604FAFFB28AFE77BC29B9173FA3543E4

SSDEEP:

768:4yKoNLsn4Jp9ZvRInygrpMoZN+WtOl08jxBEHCDwBLpZTPCUvQK:j/sn4/OycxZN+MKxp8t9zQK

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

      • Krotten.exe (PID: 1384)
    • Changes the autorun value in the registry

      • Krotten.exe (PID: 1384)
    • Disables Windows System Restore

      • Krotten.exe (PID: 1384)
  • SUSPICIOUS

    • Changes the Home page of Internet Explorer

      • Krotten.exe (PID: 1384)
    • Changes the title of the Internet Explorer window

      • Krotten.exe (PID: 1384)
  • INFO

    • Reads the computer name

      • Krotten.exe (PID: 1384)
    • Checks supported languages

      • Krotten.exe (PID: 1384)
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) (35.8)
.exe | Win64 Executable (generic) (31.7)
.scr | Windows screen saver (15)
.dll | Win32 Dynamic Link Library (generic) (7.5)
.exe | Win32 Executable (generic) (5.1)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2004:04:05 13:17:12+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 5.12
CodeSize: 19456
InitializedDataSize: 101376
UninitializedDataSize: -
EntryPoint: 0x37c7
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start krotten.exe

Process information

PID
CMD
Path
Indicators
Parent process
1384"C:\Users\admin\AppData\Local\Temp\Krotten.exe" C:\Users\admin\AppData\Local\Temp\Krotten.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\krotten.exe
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\shell32.dll
Total events
49
Read events
25
Write events
23
Delete events
1

Modification events

(PID) Process:(1384) Krotten.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
Operation:writeName:DisableTaskMgr
Value:
1
(PID) Process:(1384) Krotten.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
Operation:writeName:DisableRegistryTools
Value:
1
(PID) Process:(1384) Krotten.exeKey:HKEY_CURRENT_USER\Control Panel\Desktop
Operation:writeName:WallpaperOriginX
Value:
210
(PID) Process:(1384) Krotten.exeKey:HKEY_CURRENT_USER\Control Panel\Desktop
Operation:writeName:WallpaperOriginY
Value:
187
(PID) Process:(1384) Krotten.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:NoViewContextMenu
Value:
1
(PID) Process:(1384) Krotten.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Operation:writeName:Start_ShowRun
Value:
0
(PID) Process:(1384) Krotten.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN
Operation:writeName:Window title
Value:
:::::::::::::::::: ÌÎÉ ÕÓÉ ÏÐÎÒÓÕ À ÏÈÇÄÀ ÃÍÈÅÒ ::::::::::::::::::
(PID) Process:(1384) Krotten.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN
Operation:writeName:Start Page
Value:
http://poetry.rotten.com/lightning/
(PID) Process:(1384) Krotten.exeKey:HKEY_CURRENT_USER\Control Panel\Desktop
Operation:writeName:MenuShowDelay
Value:
9999
(PID) Process:(1384) Krotten.exeKey:HKEY_CURRENT_USER\Control Panel\International
Operation:writeName:sTimeFormat
Value:
ÕÓÉ
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
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