MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 944331142490f71d89b1ec3e0d4cb940b71e9a6f5368fd85454875fec0699b86. 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 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 944331142490f71d89b1ec3e0d4cb940b71e9a6f5368fd85454875fec0699b86
SHA3-384 hash: 0f4cf092a94a41cd9e3350df65f0f5fc3b213bf48b169795dd5aef7d10728c08db1b8466814b57311ccbd0b7848e3ae1
SHA1 hash: e3c831d5b41f2cbe68a7051c30202c1bcdb181d0
MD5 hash: 913f7071140ea86535f50bf968ac412f
humanhash: paris-gee-carbon-delta
File name:30% Proforma Invoice, Revised Invoice & Unpai.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:481'792 bytes
First seen:2025-08-12 14:40:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:4rscIDrwmhG0l7c/cWIUmsnUmvDjCZmC7b6yz:44PNZlw07in12ZmC7
TLSH T119A4018111BACD12D5B60FB20872E27517B9AE9E7022D74B5FD4BDCFB835B90094A393
TrID 56.5% (.EXE) Win64 Executable (generic) (10522/11/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
45.93.8.18:5873

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.93.8.18:5873 https://threatfox.abuse.ch/ioc/1567643/

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a6c3cfc3-b895-4676-a4bf-34991bb66a5b
Verdict:
Malicious activity
Analysis date:
2025-08-12 22:01:27 UTC
Tags:
netreactor remote xworm
Link:
https://app.any.run/tasks/a6c3cfc3-b895-4676-a4bf-34991bb66a5b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20761/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689b5619fca70bd90e8f179d
Tags:
shell virus spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Connection attempt
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/689b6c7c397fd3ce6fa65fb0/reports/eff84a93-205f-4250-aedd-b5efc847dff2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/944331142490f71d89b1ec3e0d4cb940b71e9a6f5368fd85454875fec0699b86
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/081ca8d1-ccac-44bd-9273-c297e343c1ee
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1755410
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
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1755410 Sample: 30% Proforma Invoice, Revis... Startdate: 12/08/2025 Architecture: WINDOWS Score: 100 22 Suricata IDS alerts for network traffic 2->22 24 Found malware configuration 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 12 other signatures 2->28 7 30% Proforma Invoice, Revised Invoice & Unpai.exe 3 2->7         started        process3 dnsIp4 20 45.93.8.18, 49721, 5873 VMAGE-ASRU Russian Federation 7->20 30 Adds a directory exclusion to Windows Defender 7->30 11 powershell.exe 23 7->11         started        14 powershell.exe 23 7->14         started        signatures5 process6 signatures7 32 Loading BitLocker PowerShell Module 11->32 16 conhost.exe 11->16         started        18 conhost.exe 14->18         started        process8
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/944331142490f71d89b1ec3e0d4cb940b71e9a6f5368fd85454875fec0699b86
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/944331142490f71d89b1ec3e0d4cb940b71e9a6f5368fd85454875fec0699b86/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-08-12 14:48:30 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=srbtcfbesd3r3cnr5q7a2tfzic3r5gtpknup3bkfjb275qdjtoda._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/250812-tyvexaer3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
45.93.8.18:5873
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/62e81a55-cedb-4c47-ad37-e8a57ed470c5
Unpacked files
SH256 hash:
944331142490f71d89b1ec3e0d4cb940b71e9a6f5368fd85454875fec0699b86
MD5 hash:
913f7071140ea86535f50bf968ac412f
SHA1 hash:
e3c831d5b41f2cbe68a7051c30202c1bcdb181d0
Link:
https://www.unpac.me/results/ae408add-15ae-41a3-b7e1-ee4752b07a31/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/944331142490/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/944331142490f71d89b1ec3e0d4cb940b71e9a6f5368fd85454875fec0699b86

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/20761/

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

Comments