MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff
SHA3-384 hash: 4e6cb8d143ab199711a91b3305bb59785aebc9517c61aedbcb306c7560c3832efa6c708f762d2fc9f4738c32f31d72cd
SHA1 hash: 60d7f7e21a73c65df4386ea8c72f2285ee461fdc
MD5 hash: fc65df41828cc0090846d00c68bdc9d0
humanhash: blossom-wolfram-wisconsin-utah
File name:1709401266ec80cd083e16c3872323baaa3cbfb55f193e9982db758ad06a3a559e3531fda0280.dat-decoded
Download: download sample
Signature XWorm
Create hunting rule
File size:53'288 bytes
First seen:2024-03-02 17:41:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:8oD9vQB3Z3HJvlZpVF89jEOjhVbDnYi6yvPxWEYt:8c9vQFZ3pdZrF89jEOjjPn7nPxE
TLSH T1D1335B4977944512D9AFAFB038F291161770E557C923DBEE08E8C1E61BA7BC14B803FA
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 abuse_ch
Tags:base64-decoded exe xworm


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

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

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

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connecting to a non-recommended domain
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm njrat overlay xworm
Link:
https://www.filescan.io/uploads/65e364ee09d457664f0f9754/reports/e1b95f83-e3e0-4842-9343-4930cfdb533e/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff
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/66954c36-2595-4064-990e-d69096091c5e
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1401958
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff/
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-03-01 19:57:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rh6m2cj2wteoa54gzuuajdo2xygwigjejtffm7evd3khzlnchl7q._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/240302-v9zz7sga85/
Behaviour
Suspicious use of AdjustPrivilegeToken
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
blessingseverywhere.duckdns.org:19600
Unpacked files
SH256 hash:
89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff
MD5 hash:
fc65df41828cc0090846d00c68bdc9d0
SHA1 hash:
60d7f7e21a73c65df4386ea8c72f2285ee461fdc
Detections:
MALWARE_Win_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/354c4501-5f86-4ac9-a616-74faedb33c8c/
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/89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff

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: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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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_dbae6542
Create hunting rule
Author:Elastic Security

File information

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

ec80cd083e16c3872323baaa3cbfb55f193e9982db758ad06a3a559e3531fda0

XWorm

Executable exe 89fccd093ab4c8e07786cd28048ddabe0d6419244cca567c951ed47cada23aff

(this sample)

  
Dropped by
SHA256 ec80cd083e16c3872323baaa3cbfb55f193e9982db758ad06a3a559e3531fda0
  
Dropped by
MD5 a68d77a99ceabc0164246335eb5e9413
  
URLhaus
https://urlhaus.abuse.ch/url/2774463/
  
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