MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
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SHA256 hash: cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6
SHA3-384 hash: 44a141bbbc0bc451c4cf4cd875eddfa1a0bf87ba724657fe865e2840cb65c35ebb5f6af0488cd0b4de90303169c6c08d
SHA1 hash: 325d6845315f49ea154c4422b3d728dc4429174e
MD5 hash: 99df6b9deca5bd1a6ed328b5b49f95bd
humanhash: september-red-lion-dakota
File name:999_cheat.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:7'824'896 bytes
First seen:2024-07-10 21:47:11 UTC
Last seen:2024-07-10 22:22:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 196608:HBELQL73HTSddEVnvbG3eVvMJxOf2X6QDpTrTMA:+03QdEc3eJMJxOf25VT3D
TLSH T16876338053953375D03629B72A5AB90BF37B673995C206586A8C897C89F3FFE8193F01
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Chainskilabs
Tags:exe xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
416
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6.exe
Verdict:
Malicious activity
Analysis date:
2024-07-10 21:48:04 UTC
Tags:
evasion xworm
Link:
https://app.any.run/tasks/9e8e55b5-fcef-456a-a95f-5e32b6596dde

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDropNET.65.16869.13939.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668f019450cbfd4734a8999bwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Stealth Dropper Dexter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/668f0193fe05860727dac09c/reports/60cc3999-cf90-443d-83f1-291716a1a3d3/overview
Verdict:
Malicious
Labled as:
MSIL.Packy.Generic
Link:
https://www.hybrid-analysis.com/sample/cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6
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/c1862399-0df1-4855-9872-22e9b4429da5
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1471113
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
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Infects executable files (exe, dll, sys, html)
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
PE file contains section with special chars
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
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious execution chain found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1471113 Sample: 999_cheat.exe Startdate: 10/07/2024 Architecture: WINDOWS Score: 100 61 ip-api.com 2->61 63 foranother1337.publicvm.com 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus / Scanner detection for submitted sample 2->69 71 14 other signatures 2->71 9 999_cheat.exe 3 2->9         started        13 chrome.exe 2->13         started        15 chrome.exe 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\Local\Temp\chrome.exe, PE32 9->51 dropped 53 C:\Users\user\AppData\...\SHELD_Cheat.exe, PE32+ 9->53 dropped 55 C:\Users\user\AppData\...\999_cheat.exe.log, CSV 9->55 dropped 85 Bypasses PowerShell execution policy 9->85 87 Adds a directory exclusion to Windows Defender 9->87 89 Infects executable files (exe, dll, sys, html) 9->89 17 chrome.exe 15 6 9->17         started        22 SHELD_Cheat.exe 1 9->22         started        24 powershell.exe 23 9->24         started        91 Antivirus detection for dropped file 13->91 93 Multi AV Scanner detection for dropped file 13->93 95 Machine Learning detection for dropped file 13->95 signatures6 process7 dnsIp8 57 ip-api.com 208.95.112.1, 49730, 80 TUT-ASUS United States 17->57 59 foranother1337.publicvm.com 41.129.112.9, 49738, 49739, 55554 LINKdotNET-ASEG Egypt 17->59 49 C:\ProgramData\chrome.exe, PE32 17->49 dropped 73 Antivirus detection for dropped file 17->73 75 Multi AV Scanner detection for dropped file 17->75 77 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->77 83 6 other signatures 17->83 26 powershell.exe 23 17->26         started        29 powershell.exe 17->29         started        31 powershell.exe 17->31         started        37 2 other processes 17->37 79 Machine Learning detection for dropped file 22->79 33 conhost.exe 22->33         started        81 Loading BitLocker PowerShell Module 24->81 35 conhost.exe 24->35         started        file9 signatures10 process11 signatures12 97 Loading BitLocker PowerShell Module 26->97 39 conhost.exe 26->39         started        41 conhost.exe 29->41         started        43 conhost.exe 31->43         started        45 conhost.exe 37->45         started        47 conhost.exe 37->47         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6/
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2024-07-10 17:33:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z6zovh3vde6zqus4sshcfl7q2fhknbt26dx67hx2t4544xwrs2ta._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Link:
https://tria.ge/reports/240710-1nr1cs1hrl/
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
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
foranother1337.publicvm.com:55554
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c72233a7-3116-431f-a2a6-9166673f2016
Unpacked files
SH256 hash:
3854aa574b53b84219c68ea290690336d32f2f385f062374e16047e952ed8c4c
MD5 hash:
54a7cfdfb3cadabfbf11bef30dd4cffe
SHA1 hash:
298f12375ac940d3e716c843542f60ccddb54867
Link:
https://www.unpac.me/results/783064d7-4c07-4177-b76b-4d12ffb71abf/
SH256 hash:
cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6
MD5 hash:
99df6b9deca5bd1a6ed328b5b49f95bd
SHA1 hash:
325d6845315f49ea154c4422b3d728dc4429174e
Link:
https://www.unpac.me/results/783064d7-4c07-4177-b76b-4d12ffb71abf/
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/cfb2ea9f75193d98525c948e22aff0d14ea6867af0efef9efa9f3bce5ed196a6

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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 (HIGH_ENTROPY_VA)high

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