MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments 1
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SHA256 hash: c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b
SHA3-384 hash: 816832dc8b0de977c116a1be250677d8b6bd110e143ae6a3cb3d3c8f3c30703c72abc80dd30bc086cc5338af6f146538
SHA1 hash: 901ad41ebcf742e242f0628f8aa5570edc0999b5
MD5 hash: 7574843f91261ab512b368ce7942d6ae
humanhash: green-queen-summer-ink
File name:7574843f91261ab512b368ce7942d6ae
Download: download sample
Signature XWorm
Create hunting rule
File size:40'448 bytes
First seen:2024-06-29 04:26:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:IfP7EV11K5acblLJKuuwhS5vypufFWPa9bt6POwhoaibE:SDEV10wuVJKuuwhSIEFv9bt6POwyjQ
Threatray 655 similar samples on MalwareBazaar
TLSH T117035C447BD48222C9FE7FFA19B3A10A4B31F5039913D78E4CD4899A1B77BD489413EA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
447
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
4363463463464363463463463.exe
Verdict:
Malicious activity
Analysis date:
2024-06-29 20:18:36 UTC
Tags:
hausbomber dcrat loader xworm opendir gcleaner autoit amadey phorpiex botnet stealer meta metastealer redline exfiltration netreactor evasion smtp blackmoon upx agenttesla quasar vidar telegram ramnit trojan
Link:
https://app.any.run/tasks/029dd45c-6a5c-4703-9792-fa20fd06e68d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10002982-0
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Dropper.Nanocore-10024427-0
Create hunting rule

Win.Packed.Msilzilla-10024501-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667f8d507d0a7ff58bc76df6win10vpnfull_triage
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a window
Connection attempt
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor hook keylogger lolbin njrat rat schtasks vbnet
Link:
https://www.filescan.io/uploads/667f8d1521581a9281a01089/reports/b80e0ae4-b1b6-4bd9-9d0c-d862c30e36c2/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6fa8421b-3997-4063-8d3a-e01590d71884
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464583
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
AI detected suspicious sample
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 log keystrokes (.Net Source)
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
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: 1464583 Sample: h4dMX6xyuM.exe Startdate: 29/06/2024 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 7 h4dMX6xyuM.exe 1 6 2->7         started        12 XClient.exe 2->12         started        14 XClient.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 39 64.23.249.117, 49738, 6098 AFFINITY-FTLUS United States 7->39 37 C:\Users\user\AppData\Roaming\XClient.exe, PE32 7->37 dropped 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->51 53 Protects its processes via BreakOnTermination flag 7->53 55 Bypasses PowerShell execution policy 7->55 63 2 other signatures 7->63 18 powershell.exe 23 7->18         started        21 powershell.exe 23 7->21         started        23 powershell.exe 23 7->23         started        25 2 other processes 7->25 57 Antivirus detection for dropped file 12->57 59 Multi AV Scanner detection for dropped file 12->59 61 Machine Learning detection for dropped file 12->61 file5 signatures6 process7 signatures8 49 Loading BitLocker PowerShell Module 18->49 27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b/
Threat name:
ByteCode-MSIL.Backdoor.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2024-06-29 02:13:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zatnhcmqauigpir5ptwxnyqjexweo5e6kyxpogact7ygkvlibnnq._file
Verdict:
malicious
Similar samples:
1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503
XWorm
32a333bb3c7ae28e1b197f94a4b16cc6f708b84e165ae55c3a109b57a3ed11c6
XWorm
a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c
XWorm
af2150ebafd8f655bc625da183bfa64597a6e16456f3be68b47830e418fdf2ac
XWorm
c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b
XWorm
+ 645 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Link:
https://tria.ge/reports/240629-e23s5a1bnh/
Behaviour
Scheduled Task/Job: Scheduled Task
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
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
64.23.249.117:6098
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8f89d67c-28cc-4e50-83d8-5aeb97f7d139
Unpacked files
SH256 hash:
c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b
MD5 hash:
7574843f91261ab512b368ce7942d6ae
SHA1 hash:
901ad41ebcf742e242f0628f8aa5570edc0999b5
Detections:
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/afa3f5e0-e44d-4d70-ae7b-32fa7ff4f71a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c826d3899005/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/c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b

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:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Generic_Threat_b509dfc8
Create hunting rule
Author:Elastic Security
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm

File information

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

Web download

XWorm

Executable exe c826d38990051067a23d7ced76e20925ec47749e562ef718029ff06555680b5b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2912273/

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 (HIGH_ENTROPY_VA)high

Comments


Avatar
zbet commented on 2024-06-29 04:26:43 UTC

url : hxxp://77.91.77.81/lend/1.exe