MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd. 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: 8


Intelligence 8 IOCs 1 YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd
SHA3-384 hash: a8d6b929f5286c1bb141b10e6f2e09f13f690e6a1e3f11466a728676dc7b5c7b0f454e7a51c7743a9ce18fa733281636
SHA1 hash: 6b56a271317ae11b148187e845d0396847a19dd8
MD5 hash: 54206d3683da08ca3cffad3c7cfd715d
humanhash: vermont-sodium-purple-sodium
File name:Purchase Order.pdf.7z
Download: download sample
Signature XWorm
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File size:497'410 bytes
First seen:2025-10-27 20:21:19 UTC
Last seen:Never
File type: 7z
MIME type:application/x-rar
ssdeep 12288:Or/cKXi6UDA98qhd3z98Fn3hj2XyDovx9NJWVHdAGKGgAw:ODrijG8qrD23hbD2VWVHd27
TLSH T12AB423BCAB62A078A0FE0B5ECFD5509B6640E4D16756CF7BF1E18F22258F112154F8B8
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:7z xworm


Avatar
cocaman
Malicious email (T1566.001)
From: "Purchase1 <purchase@ambercaps.com>" (likely spoofed)
Received: "from ambercaps.com (unknown [185.222.58.40]) "
Date: "21 Oct 2025 22:55:56 -0700"
Subject: "RE Purchase Order for Hardener 140"
Attachment: "Purchase Order.pdf.7z"

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
216.9.224.196:2233 https://threatfox.abuse.ch/ioc/1613283/

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Purchase Order.pdf.exe
File size:1'025'536 bytes
SHA256 hash: 07cc70d80281cdb146cccd3de6aaf2a5011901328bc5def66f9ede21a2fb0042
MD5 hash: 8d9e5b85d16206ca8b556fb417cf76a6
MIME type:application/x-dosexec
Signature XWorm
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL
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Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ffd4755de5ca2707530153
Tags:
underscore autoit emotet
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd
Verdict:
Malicious
File Type:
rar
First seen:
2025-10-22T02:46:00Z UTC
Last seen:
2025-10-28T06:12:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd/results?tab=lookup
Verdict:
Malware
YARA:
1 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Rar Archive Suspect
Link:
https://app.malva.re/file/54206d3683da08ca3cffad3c7cfd715d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd/
Threat name:
Win32.Trojan.AutoitInject
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Status:
Malicious
First seen:
2025-10-22 16:54:45 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=66dnjnxmk4dugesdxfa2it4ab7w3uejao2iq6or6eove5coyxdoq._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd

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:AutoIT_Compiled
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Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:ByteCode_MSIL_Backdoor_AsyncRAT
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Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
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Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
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Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:Njrat
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Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_detect_tls_callbacks
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
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Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation
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Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Create hunting rule
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
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)
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:Windows_Trojan_XWorm_b7d6eaa8
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Author:Elastic Security
Rule name:win_xworm_a0
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Author:Slavo Greminger, SWITCH-CERT
Rule name:win_xworm_bytestring
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Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
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Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
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Author:jeFF0Falltrades
Rule name:xworm_kingrat
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Author:jeFF0Falltrades

File information

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

Malspam

XWorm

7z f786d4b6ec5707431243b941a44f800fedba112076910f3a3e23aa4e89d8b8dd

(this sample)

XWorm

Executable exe 07cc70d80281cdb146cccd3de6aaf2a5011901328bc5def66f9ede21a2fb0042

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 07cc70d80281cdb146cccd3de6aaf2a5011901328bc5def66f9ede21a2fb0042
  
Dropping
XWorm
  
Dropping
MD5 8d9e5b85d16206ca8b556fb417cf76a6

Comments