File name:

kklt.exe

Full analysis: https://app.any.run/tasks/3d02d030-9ac3-4cdb-bc24-e6fd3cacd97b
Verdict: Malicious activity
Threats:

XWorm is a remote access trojan (RAT) sold as a malware-as-a-service. It possesses an extensive hacking toolset and is capable of gathering private information and files from the infected computer, hijacking MetaMask and Telegram accounts, and tracking user activity. XWorm is typically delivered to victims' computers through multi-stage attacks that start with phishing emails.

Analysis date: December 14, 2024, 06:24:37
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
xworm
remote
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

623754664E5C60DDCB888E25FC22B155

SHA1:

A81CF6DCCD37D867667A09D660913C4CBDBEB4CC

SHA256:

69A06F96920293CA0B3C4BBF620C40C8EE5338D3B55917A9D683D4ED80DF1C9D

SSDEEP:

1536:ziGrL/DGKyK/fVaubk3GiWylvZOFQNbLu:zPQK/dzbyaMxOFQY

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

    • Changes the autorun value in the registry

      • kklt.exe (PID: 6224)
    • Connects to the CnC server

      • kklt.exe (PID: 6224)
    • XWORM has been detected (YARA)

      • kklt.exe (PID: 6224)
    • Create files in the Startup directory

      • kklt.exe (PID: 6224)
    • XWORM has been detected (SURICATA)

      • kklt.exe (PID: 6224)
  • SUSPICIOUS

    • Contacting a server suspected of hosting an CnC

      • kklt.exe (PID: 6224)
    • Executable content was dropped or overwritten

      • kklt.exe (PID: 6224)
    • Connects to unusual port

      • kklt.exe (PID: 6224)
    • The process checks if it is being run in the virtual environment

      • kklt.exe (PID: 6224)
  • INFO

    • Creates files or folders in the user directory

      • kklt.exe (PID: 6224)
    • Checks supported languages

      • kklt.exe (PID: 6224)
    • Reads the machine GUID from the registry

      • kklt.exe (PID: 6224)
    • Reads the computer name

      • kklt.exe (PID: 6224)
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
OriginalFileName: kklt.exe
LegalCopyright:
InternalName: kklt.exe
FileVersion: 1.0.0.0
FileDescription:
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: 0xf85e
UninitializedDataSize: -
InitializedDataSize: 2048
CodeSize: 55808
LinkerVersion: 11
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2024:12:14 06:18:03+00:00
MachineType: Intel 386 or later, and compatibles
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
122
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #XWORM kklt.exe

Process information

PID
CMD
Path
Indicators
Parent process
6224"C:\Users\admin\Desktop\kklt.exe" C:\Users\admin\Desktop\kklt.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\kklt.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
732
Read events
731
Write events
1
Delete events
0

Modification events

(PID) Process:(6224) kklt.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:test
Value:
C:\Users\admin\AppData\Roaming\test.exe
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
6224kklt.exeC:\Users\admin\AppData\Roaming\test.exeexecutable
MD5:623754664E5C60DDCB888E25FC22B155
SHA256:69A06F96920293CA0B3C4BBF620C40C8EE5338D3B55917A9D683D4ED80DF1C9D
6224kklt.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\test.lnkbinary
MD5:03DAD972725ADA9C45968777AA472764
SHA256:E6AA145D866E298D84E98A13440EB976A193933421C2B4DD19E4045447C846AE
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
20
DNS requests
7
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5980
RUXIMICS.exe
GET
200
2.20.245.137:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
2.20.245.137:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
23.38.73.129:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
POST
204
2.19.80.89:443
https://www.bing.com/threshold/xls.aspx
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
192.168.100.255:137
whitelisted
4712
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5980
RUXIMICS.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4056
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
4712
MoUsoCoreWorker.exe
2.20.245.137:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
5980
RUXIMICS.exe
2.20.245.137:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
4712
MoUsoCoreWorker.exe
23.38.73.129:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
3976
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5064
SearchApp.exe
2.19.80.89:443
www.bing.com
Akamai International B.V.
DE
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.184.238
whitelisted
settings-win.data.microsoft.com
  • 40.127.240.158
whitelisted
crl.microsoft.com
  • 2.20.245.137
  • 2.20.245.138
whitelisted
www.microsoft.com
  • 23.38.73.129
whitelisted
www.bing.com
  • 2.19.80.89
  • 2.19.80.27
whitelisted
self.events.data.microsoft.com
  • 20.189.173.28
whitelisted

Threats

PID
Process
Class
Message
Malware Command and Control Activity Detected
REMOTE [ANY.RUN] Xworm TCP Packet
Malware Command and Control Activity Detected
REMOTE [ANY.RUN] Xworm TCP Packet
1 ETPRO signatures available at the full report
No debug info