MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d5ba89a3e3b4bcc74c987c4da8dbea76e497d5833f552c6eca3d60568f8d450. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d5ba89a3e3b4bcc74c987c4da8dbea76e497d5833f552c6eca3d60568f8d450
SHA3-384 hash: 9dc92044b492af42a75348eeec355cdc3ebf848cd0affedc936621f11bdcba342565214a3f6d6362dfeda34e75d54a6b
SHA1 hash: ae213d17002c3c9c74f9b54d3c934cf94017c21f
MD5 hash: 3f4e7a840707de7827804ea21132f0c2
humanhash: winner-pizza-friend-mexico
File name:OFFER LETTER.js
Download: download sample
Signature XWorm
Create hunting rule
File size:151'385 bytes
First seen:2025-09-15 09:25:17 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:PD41cy2v2cnbrqCylIalbfB7Oc35W+hq8m7bSGO:PD4SxecnbrqCy2albfB7Oc35W+hq8m7S
Threatray 497 similar samples on MalwareBazaar
TLSH T1A1E3733CCEB0FDC8036E31E5E59A3B9111980B93FA314B6CF8C114BA8975596DB7626C
Magika javascript
Reporter abuse_ch
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c7dbd7d49ea3f1e4b5e381
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated
Link:
https://www.filescan.io/uploads/68c7dc5c73287948292a455c/reports/ad70c474-69b0-4945-908f-b08e724a906c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/1d5ba89a3e3b4bcc74c987c4da8dbea76e497d5833f552c6eca3d60568f8d450
Verdict:
Malicious
File Type:
js
First seen:
2025-09-15T03:53:00Z UTC
Last seen:
2025-09-15T03:53:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/1d5ba89a3e3b4bcc74c987c4da8dbea76e497d5833f552c6eca3d60568f8d450/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1777666
Signature
.NET source code contains a sample name check
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777666 Sample: OFFER LETTER.js Startdate: 15/09/2025 Architecture: WINDOWS Score: 100 35 longlife.theworkpc.com 2->35 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 15 other signatures 2->51 10 wscript.exe 1 1 2->10         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 33 C:\Users\user\AppData\...therealCache.bat, ASCII 10->33 dropped 57 Wscript starts Powershell (via cmd or directly) 10->57 59 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->59 61 Suspicious execution chain found 10->61 63 Creates processes via WMI 10->63 17 cmd.exe 1 10->17         started        39 127.0.0.1 unknown unknown 14->39 file6 signatures7 process8 signatures9 41 Suspicious powershell command line found 17->41 43 Wscript starts Powershell (via cmd or directly) 17->43 20 cmd.exe 1 17->20         started        22 conhost.exe 17->22         started        process10 process11 24 cmd.exe 2 20->24         started        signatures12 53 Suspicious powershell command line found 24->53 55 Wscript starts Powershell (via cmd or directly) 24->55 27 powershell.exe 4 28 24->27         started        31 conhost.exe 24->31         started        process13 dnsIp14 37 longlife.theworkpc.com 216.250.249.182, 4040, 49683 AS-TIERP-19019US United States 27->37 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->65 67 Found suspicious powershell code related to unpacking or dynamic code loading 27->67 69 Loading BitLocker PowerShell Module 27->69 signatures15
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1d5ba89a3e3b4bcc74c987c4da8dbea76e497d5833f552c6eca3d60568f8d450
Verdict:
Malware
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block DeObfuscated PowerShell
Link:
https://app.malva.re/file/3f4e7a840707de7827804ea21132f0c2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1d5ba89a3e3b4bcc74c987c4da8dbea76e497d5833f552c6eca3d60568f8d450/
Threat name:
Script-JS.Backdoor.Xworm
Create hunting rule
Status:
Suspicious
First seen:
2025-09-15 06:36:32 UTC
File Type:
Text
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dvn2rgr6hnf4y5gjq7cnvdn6u5xes7kygp2vfrxmuplak2hy2ria._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
1d7b49b36fec5265e4508b054206d25e20cabbcecdf0df6e9ef81fdf2236ff16
XWorm
443c070f1d20b0821daf3107e55bf5e6efbb8d0f86e5806c76d597e43ea11be1
XWorm
4bce5c43d01102b83bf0cb0b85d09ea8a758262b98b04aeccff957aad024f7bd
XWorm
80a15e6d1eb3c712accdf04668566b2ea5e5b98316a5f210a69e6af549a4f2f9
XWorm
86b20abad50522f0753ac9f340ae7555e0adb7d17ab4cf434c8a4a5ca8213e7a
XWorm
cbfd2c9ea3cb57537837c0f440d55352d7fa622d29d57a41bc05a86372c58067
XWorm
e36eee6a572b2c5e45cfaffae49ee361f55915375a4b7c938983fe8f8b5aa539
XWorm
error
XWorm
ffe6e82b7ea63f6d7254d5bef882fe778aeae3827d9778b928b9907af00004bd
XWorm
+ 487 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/250915-lfrx3ahj9y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Detect Xworm Payload
Process spawned unexpected child process
Xworm
Xworm family
Malware Config
C2 Extraction:
longlife.theworkpc.com:4040
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/1d5ba89a3e3b4bcc74c987c4da8dbea76e497d5833f552c6eca3d60568f8d450

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:SUSP_PS1_JAB_Pattern_Jun22_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments