MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935
SHA3-384 hash: 803fa5c0190cd33a612444e46c2839799d8dedb86f51a061a9ad90e720b812b57248a502acbfd57da9feec7516a4f8ab
SHA1 hash: 76f65fc2d08b62ec952c10c232ad4aaa406bc4c0
MD5 hash: 3359603acad653fe962e549e7e8ce570
humanhash: shade-princess-robert-ack
File name:QUOTATION SAMPLE MATERIALS.bat
Download: download sample
Signature XWorm
Create hunting rule
File size:560'136 bytes
First seen:2025-09-09 13:28:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:VQIV5dnoKPOXG7/RrbGvJTRI/6dcaXVH9srqgmEbdokR:VN5dnoi7/RrQIAFXd9Km2/
Threatray 134 similar samples on MalwareBazaar
TLSH T1DAC4F164224ADA07C2525F705971E3B92F79AF8DE811C203DFDA7EDFB436B901989342
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATIONSAMPLEMATERIALS.bat.exe
Verdict:
Malicious activity
Analysis date:
2025-09-09 13:32:05 UTC
Tags:
pastebin auto-sch-xml
Link:
https://app.any.run/tasks/fab83650-8398-4dcb-94af-8f71780fbb66

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/26498/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c02b8eb200525988792b38
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade packed signed
Link:
https://www.filescan.io/uploads/68c02ba71b52c70384b830f6/reports/0d1a0dd6-c69e-4509-9fc1-a7ec8d02e5dc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-09T04:25:00Z UTC
Last seen:
2025-09-09T04:25:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Taskun.sb HEUR:Trojan.MSIL.Injector.gen Backdoor.SharPi.HTTP.C&C Backdoor.Agent.TCP.C&C Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen VHO:Backdoor.Win32.Convagent.gen Trojan.MSIL.Crypt.sb Backdoor.MSIL.XWorm.b
Link:
https://opentip.kaspersky.com/8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/263ae3cd-a39b-4eda-9a45-7386db35de3e
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1773987
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1773987 Sample: QUOTATION SAMPLE MATERIALS.... Startdate: 09/09/2025 Architecture: WINDOWS Score: 100 71 pastebin.com 2->71 73 beacons2.gvt2.com 2->73 75 3 other IPs or domains 2->75 101 Suricata IDS alerts for network traffic 2->101 103 Malicious sample detected (through community Yara rule) 2->103 105 Sigma detected: Scheduled temp file as task from temp location 2->105 109 13 other signatures 2->109 9 QUOTATION SAMPLE MATERIALS.bat.exe 7 2->9         started        13 PZQGfLCzO.exe 5 2->13         started        15 msedge.exe 2->15         started        signatures3 107 Connects to a pastebin service (likely for C&C) 71->107 process4 dnsIp5 63 C:\Users\user\AppData\Roaming\PZQGfLCzO.exe, PE32 9->63 dropped 65 C:\Users\...\PZQGfLCzO.exe:Zone.Identifier, ASCII 9->65 dropped 67 C:\Users\user\AppData\Local\...\tmp642A.tmp, XML 9->67 dropped 69 C:\...\QUOTATION SAMPLE MATERIALS.bat.exe.log, ASCII 9->69 dropped 117 Adds a directory exclusion to Windows Defender 9->117 18 QUOTATION SAMPLE MATERIALS.bat.exe 17 3 9->18         started        23 powershell.exe 23 9->23         started        25 powershell.exe 23 9->25         started        27 schtasks.exe 1 9->27         started        119 Multi AV Scanner detection for dropped file 13->119 121 Injects a PE file into a foreign processes 13->121 29 schtasks.exe 13->29         started        31 PZQGfLCzO.exe 13->31         started        99 239.255.255.250 unknown Reserved 15->99 123 Maps a DLL or memory area into another process 15->123 33 msedge.exe 15->33         started        35 msedge.exe 15->35         started        37 5 other processes 15->37 file6 signatures7 process8 dnsIp9 77 193.187.91.114, 49691, 60875 OBE-EUROPEObenetworkEuropeSE Sweden 18->77 79 pastebin.com 104.20.29.150, 443, 49690 CLOUDFLARENETUS United States 18->79 61 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 18->61 dropped 111 Tries to steal Mail credentials (via file / registry access) 18->111 113 Tries to harvest and steal browser information (history, passwords, etc) 18->113 39 chrome.exe 18->39         started        42 msedge.exe 18->42         started        115 Loading BitLocker PowerShell Module 23->115 44 conhost.exe 23->44         started        46 WmiPrvSE.exe 23->46         started        48 conhost.exe 25->48         started        50 conhost.exe 27->50         started        52 conhost.exe 29->52         started        81 s-part-0041.t-0009.t-msedge.net 13.107.246.69, 443, 49715, 49726 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 33->81 83 13.89.179.8, 443, 49738 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 33->83 85 32 other IPs or domains 33->85 file10 signatures11 process12 dnsIp13 93 192.168.2.6, 443, 49683, 49684 unknown unknown 39->93 95 192.168.2.16 unknown unknown 39->95 97 192.168.2.7 unknown unknown 39->97 54 chrome.exe 39->54         started        57 chrome.exe 39->57         started        59 msedge.exe 42->59         started        process14 dnsIp15 87 www.google.com 142.251.32.36, 443, 49700, 49703 GOOGLEUS United States 54->87 89 142.251.46.227, 443, 49695, 49704 GOOGLEUS United States 54->89 91 5 other IPs or domains 54->91
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.43 Win 32 Exe x86
Link:
https://app.malva.re/file/3359603acad653fe962e549e7e8ce570
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-09-09 09:09:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzckuonbumxlskg3gtghbmctfmkscjlg7wm62rc2aa3sdbpfde2q._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
1dc09f8752fe77cf8a00c0ac8f21b9e6a17c258e6b68c44fb9e749cf713d6035
XWorm
26e7f73744ff89320d8e9c39760db8dc4f4e0865c1e18423d60926b3de522b47
XWorm
8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935
XWorm
8c7d7ecf7d126cd76989d070d1b2391585ef1d689d3ffb0dcaab197c21d3820e
XWorm
dea72dfe120fd7ace84ced315abe9ff76a06bdab418ca17c5c04e358676b9dfe
XWorm
error
XWorm
+ 124 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm collection discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/250909-qq9cbaslt8/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1f63055d-c24d-435e-879b-3fc217aebf74
Unpacked files
SH256 hash:
8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935
MD5 hash:
3359603acad653fe962e549e7e8ce570
SHA1 hash:
76f65fc2d08b62ec952c10c232ad4aaa406bc4c0
Link:
https://www.unpac.me/results/78bb933e-f08c-44a4-b60e-79d219e21216/
SH256 hash:
6b49875674fb6e576006ab0c4363896fa2d5519b1de19372eefa3bb0a901c729
MD5 hash:
d876219ff063787ffd695687a1d50634
SHA1 hash:
07953df2d9c77f6f130833077a998762b0a45118
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/78bb933e-f08c-44a4-b60e-79d219e21216/
SH256 hash:
75052a0da2dc3d040d2c84379923de943956dd91b559778e19b441afc24c5d16
MD5 hash:
b9a66bab0dc0c24ea1d1d8abb8ab2037
SHA1 hash:
8c291bf93a2e824e43efed16a1e1e82514cf127d
Link:
https://www.unpac.me/results/78bb933e-f08c-44a4-b60e-79d219e21216/
SH256 hash:
a07218767cb37a2eb228ddf96d25724848f368c446abe6ad0813387dfc603f98
MD5 hash:
af22bb92639cb98b8f09382c32c478ac
SHA1 hash:
d97ed60de226af9876769ac2e94185cf1b25d676
Link:
https://www.unpac.me/results/78bb933e-f08c-44a4-b60e-79d219e21216/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8644aa39a1a3/report/overview.html
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/8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

XWorm

Executable exe 8644aa39a1a32eb928db34cc70b0532b15212566fd99ed445a00372185e51935

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26498/

Comments