MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26820452d6f45063a5f396e9a4ffa4a1979a5a0e39afe5b4c96440baaa74c443. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


XWorm


Vendor detections: 14


Intelligence 14 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 26820452d6f45063a5f396e9a4ffa4a1979a5a0e39afe5b4c96440baaa74c443
SHA3-384 hash: e41b69938aa44999250f12803405e39fc6a2decfbbc4acae8e74c5d3b6bb65967b35164717cddce4e8a64e1092729fc2
SHA1 hash: 257d1e6af7e326fb5f735b93f06f509c6f279c88
MD5 hash: 8be330d86e0d4c91a46c2d90860d2323
humanhash: twenty-lemon-north-autumn
File name:LesVPNUpdate.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:1'692'672 bytes
First seen:2025-05-21 22:37:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c2d457ad8ac36fc9f18d45bffcd450c2 (23 x CobaltStrike, 8 x Sliver, 5 x Lazarus)
ssdeep 24576:1pwFXqx81XEWOCitjjQcZ9vMLjoJmqsy+A6U:1CXq21UW1YjQWSy+7
Threatray 1'386 similar samples on MalwareBazaar
TLSH T17E756C4BBCD104B6C4AA9332897661A2BA31FC450F3623D73A90B77C2F76BD09A75744
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon c0c8d4cc64d4ccf8 (8 x ValleyRAT, 3 x AsyncRAT, 3 x Blackmoon)
Reporter skocherhan
Tags:exe thomson101 xworm


Avatar
skocherhan
https://github.com/thomson101/wantest/releases/download/Release/LesVPNUpdate.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
551
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LesVPNUpdate.exe
Verdict:
Malicious activity
Analysis date:
2025-05-21 22:55:48 UTC
Tags:
auto-reg golang crypto-regex xworm
Link:
https://app.any.run/tasks/a3f85fb0-e96c-44a0-ae23-58dcb75c8fc1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682e57e5c28c67d66643fa24
Tags:
autorun shell virus sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm golang obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/682e5600171e01f95929ae6a/reports/a9c35ade-b302-4666-bdc2-44e8242088a4/overview
Verdict:
Malicious
Labled as:
WinGo/ShellcodeRunner.OC trojan
Link:
https://www.hybrid-analysis.com/sample/26820452d6f45063a5f396e9a4ffa4a1979a5a0e39afe5b4c96440baaa74c443
Malware family:
Caldera
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/41e1fd9b-e60f-4c35-b448-19b2dcc5907f
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1696374
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Creates autostart registry keys with suspicious names
Drops PE files to the user root directory
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1696374 Sample: LesVPNUpdate.exe Startdate: 22/05/2025 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 11 other signatures 2->57 7 LesVPNUpdate.exe 1 6 2->7         started        12 ???,??????????????.exe 2->12         started        14 ???,??????????????.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 49 202.95.19.142, 2024 BCPL-SGBGPNETGlobalASNSG Singapore 7->49 47 C:\Users\Public\???,??????????????.exe, PE32+ 7->47 dropped 61 Protects its processes via BreakOnTermination flag 7->61 63 Creates autostart registry keys with suspicious names 7->63 65 Bypasses PowerShell execution policy 7->65 73 3 other signatures 7->73 18 powershell.exe 23 7->18         started        21 powershell.exe 23 7->21         started        23 powershell.exe 23 7->23         started        33 3 other processes 7->33 67 Antivirus detection for dropped file 12->67 69 Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners) 12->69 71 Potentially malicious time measurement code found 12->71 25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        29 conhost.exe 16->29         started        31 conhost.exe 16->31         started        35 2 other processes 16->35 file5 signatures6 process7 signatures8 59 Loading BitLocker PowerShell Module 18->59 37 conhost.exe 18->37         started        39 conhost.exe 21->39         started        41 conhost.exe 23->41         started        43 conhost.exe 33->43         started        45 conhost.exe 33->45         started        process9
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/26820452d6f45063a5f396e9a4ffa4a1979a5a0e39afe5b4c96440baaa74c443
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/26820452d6f45063a5f396e9a4ffa4a1979a5a0e39afe5b4c96440baaa74c443/
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-05-21 22:38:59 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e2baiuww6righjpts3u2j75euglzuwqohgx6lngjmralvktuyrbq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
donut_injector
Create hunting rule
Similar samples:
158d34bbfe57b08b35253dc093ce5555facdefbcdd19abe09a61b79e6ef83e47
XWorm
44f611726336cec3fa65ba287bf135af2cd43c6441ead65ce4a54c154ea80f90
XWorm
4b60cc2b3d4b652eb9fa07324b40ddf65ed4f61f45a7ff903ac3d1687a096b90
XWorm
6cd3c5dfe41a2dff23c9e9234983c52739ef2a21de7d28079b18fca2f93872d1
XWorm
717157d1d9377a0353d9a17f80c1a5571324851954cf381e58796d0ed7916ecc
XWorm
9e635f3e25b5ef386e2ffb4facc56eb6c5394ee06fb58a03453d783ffec61933
XWorm
error
XWorm
+ 1'376 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:xworm execution loader persistence rat trojan
Link:
https://tria.ge/reports/250521-2kyjeaek6t/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Xworm
Xworm family
Malware Config
C2 Extraction:
202.95.19.142:2024
Unpacked files
SH256 hash:
26820452d6f45063a5f396e9a4ffa4a1979a5a0e39afe5b4c96440baaa74c443
MD5 hash:
8be330d86e0d4c91a46c2d90860d2323
SHA1 hash:
257d1e6af7e326fb5f735b93f06f509c6f279c88
Link:
https://www.unpac.me/results/8cb19af3-d033-4f29-b747-8ff9aadeea9a/
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/26820452d6f4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/26820452d6f45063a5f396e9a4ffa4a1979a5a0e39afe5b4c96440baaa74c443

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetSystemDirectoryA

Comments