MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4397855d87d996494adbf4e56b2c79071ce12c3e6790d289b02545627a6820dd. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 4397855d87d996494adbf4e56b2c79071ce12c3e6790d289b02545627a6820dd
SHA3-384 hash: 182a47c91650ba69f213283ed64238ba6f0a722f9d5918bfe727b29c7a3cd7b2b91051100387f7b5939146e160bd1637
SHA1 hash: 75d8b7b092fa4309073e51b88bd754c1a9e311c6
MD5 hash: fddb1131547718b6b12670fedb027d98
humanhash: mississippi-river-fifteen-high
File name:SecuriteInfo.com.Trojan.MulDrop23.34226.30433.19375
Download: download sample
Signature XWorm
File size:31'681'536 bytes
First seen:2024-10-13 19:32:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 786432:GD4FTr/SfnD2hwpCqur5BxfUmdzG4lLogCgVIJ9LVq6Hfmm8c:xFTeioNE1fl6NYVITq4
Threatray 1'214 similar samples on MalwareBazaar
TLSH T1526733D45580569AF9BE1EB20770000F2074C6C77F48E7E980A7E5BB466CE4AF4EB9B1
TrID 75.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.9% (.EXE) Win64 Executable (generic) (10522/11/4)
4.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
2.1% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 4fcf8d33313034b0 (1 x XWorm)
Reporter SecuriteInfoCom
Tags:exe xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
360
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.MulDrop23.34226.30433.19375
Verdict:
Malicious activity
Analysis date:
2024-10-13 19:33:41 UTC
Tags:
evasion ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Vmprotect Apost
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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)
Contains functionality to log keystrokes (.Net Source)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Hides threads from debuggers
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
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
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)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Tries to detect debuggers (CloseHandle check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to evade analysis by execution special instruction (VM detection)
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1532749 Sample: SecuriteInfo.com.Trojan.Mul... Startdate: 13/10/2024 Architecture: WINDOWS Score: 100 70 api.telegram.org 2->70 72 ip-api.com 2->72 90 Suricata IDS alerts for network traffic 2->90 92 Found malware configuration 2->92 94 Malicious sample detected (through community Yara rule) 2->94 98 16 other signatures 2->98 9 SecuriteInfo.com.Trojan.MulDrop23.34226.30433.19375.exe 4 2->9         started        13 XClient.exe 2->13         started        15 XClient.exe 2->15         started        signatures3 96 Uses the Telegram API (likely for C&C communication) 70->96 process4 file5 58 C:\Users\user\AppData\Roaming\XClient.exe, PE32 9->58 dropped 60 C:\Users\user\AppData\Roaming\MAXLEVLZ.exe, PE32+ 9->60 dropped 62 SecuriteInfo.com.T...30433.19375.exe.log, CSV 9->62 dropped 102 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->102 17 XClient.exe 15 5 9->17         started        21 MAXLEVLZ.exe 2 9->21         started        signatures6 process7 dnsIp8 64 ip-api.com 208.95.112.1, 49702, 80 TUT-ASUS United States 17->64 66 api.telegram.org 149.154.167.220, 443, 49708 TELEGRAMRU United Kingdom 17->66 68 185.84.160.88, 49709, 49710, 7000 ASN-DCS-01US Iran (ISLAMIC Republic Of) 17->68 74 Antivirus detection for dropped file 17->74 76 Multi AV Scanner detection for dropped file 17->76 78 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->78 86 4 other signatures 17->86 23 powershell.exe 23 17->23         started        26 powershell.exe 17->26         started        28 powershell.exe 17->28         started        30 powershell.exe 17->30         started        80 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->80 82 Query firmware table information (likely to detect VMs) 21->82 84 Machine Learning detection for dropped file 21->84 88 5 other signatures 21->88 32 cmd.exe 1 21->32         started        34 cmd.exe 1 21->34         started        36 cmd.exe 1 21->36         started        38 4 other processes 21->38 signatures9 process10 signatures11 100 Loading BitLocker PowerShell Module 23->100 40 conhost.exe 23->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 30->46         started        48 taskkill.exe 1 32->48         started        50 taskkill.exe 1 34->50         started        52 taskkill.exe 1 36->52         started        54 sc.exe 38->54         started        56 taskkill.exe 38->56         started        process12
Gathering data
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2024-10-09 14:54:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm evasion execution rat trojan
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Suspicious use of NtSetInformationThreadHideFromDebugger
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Stops running service(s)
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
185.84.160.88:7000
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

XWorm

Executable exe 4397855d87d996494adbf4e56b2c79071ce12c3e6790d289b02545627a6820dd

(this sample)

  
Delivery method
Distributed via web download

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