MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5. 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: 20


Intelligence 20 IOCs YARA 22 File information Comments
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SHA256 hash: 92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5
SHA3-384 hash: a6129a07f3eac7de9c30dcb3a4b00675f9ec9ac9193ede2439e0a55bc0373c6902e5b3e2cd16ce847c187926d7eaab28
SHA1 hash: 36ea3f5f2c2498a961987e7c8c050fb8bc352cf4
MD5 hash: 81982b8dd2d65e26ccc1db8a743747e4
humanhash: nebraska-mountain-autumn-tennessee
File name:Halkbank Ekstre,pdf.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:566'272 bytes
First seen:2025-09-19 07:57:54 UTC
Last seen:2025-10-09 14:18:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:BrEUyAAdYIg1KXG1EiluSM3PNqyzHmetGswTn2V:9j1AOImlIge6n2V
Threatray 1'596 similar samples on MalwareBazaar
TLSH T111C4CE2033A7D205D8660BB00C35D3F113B9BE9DBA14C71E6DED2E9FBD262535B116A2
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 abuse_ch
Tags:exe geo Halkbank TUR xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
141
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank Ekstre,pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-09-19 08:03:38 UTC
Tags:
evasion xworm crypto-regex
Link:
https://app.any.run/tasks/620e0f65-9716-499c-a4eb-85d3d182ea2c

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/28283/
Detection(s):
no reply from clamd
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cd0d2e246a2631bd30fe7c
Tags:
micro
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68cd0d7173af424b47e73c08/reports/30fe932e-11d0-4f3e-877c-e34b6157debb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-19T03:01:00Z UTC
Last seen:
2025-09-19T03:01:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Backdoor.MSIL.XWorm.c Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a VHO:Backdoor.Win32.Agent.gen HEUR:Backdoor.MSIL.Remcos.gen Backdoor.Agent.TCP.C&C Trojan.Win32.Agent.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Backdoor.MSIL.Crysan.d
Link:
https://opentip.kaspersky.com/92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5/results?tab=lookup
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bfe55f2a-5fb6-4717-8cb4-aa300d8d7ec1
Result
Threat name:
AsyncRAT, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1780553
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
Allocates memory in foreign processes
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
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: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780553 Sample: Halkbank Ekstre,pdf.exe Startdate: 19/09/2025 Architecture: WINDOWS Score: 100 30 ip-api.com 2->30 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 12 other signatures 2->42 9 Halkbank Ekstre,pdf.exe 3 2->9         started        signatures3 process4 file5 28 C:\Users\user\...\Halkbank Ekstre,pdf.exe.log, ASCII 9->28 dropped 46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->46 48 Writes to foreign memory regions 9->48 50 Allocates memory in foreign processes 9->50 52 Injects a PE file into a foreign processes 9->52 13 RegSvcs.exe 15 3 9->13         started        17 RegSvcs.exe 9->17         started        signatures6 process7 dnsIp8 32 196.251.92.95, 1989, 49691 Web4AfricaZA Seychelles 13->32 34 ip-api.com 208.95.112.1, 49683, 80 TUT-ASUS United States 13->34 54 Protects its processes via BreakOnTermination flag 13->54 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->56 58 Adds a directory exclusion to Windows Defender 13->58 19 powershell.exe 23 13->19         started        22 powershell.exe 23 13->22         started        60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->60 62 Bypasses PowerShell execution policy 17->62 64 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 17->64 signatures9 process10 signatures11 44 Loading BitLocker PowerShell Module 19->44 24 conhost.exe 19->24         started        26 conhost.exe 22->26         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.38 Win 32 Exe x86
Link:
https://app.malva.re/file/81982b8dd2d65e26ccc1db8a743747e4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-09-19 07:14:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=slmzyt3sbf5q6luvn5fq67olwjonrr64zlzexywhcidxjrynil2q._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
1a787f42e130fc6ed45415bd9aafce8935489e4a45181c7cd696a85f1209bc04
XWorm
82f320b21342c883ecfdca917e16e98c0ddbfbf118f54b817aa9bfa20ed29e12
XWorm
96bcd835d13f775f2e1157ba7f4030fabf7e60196b2f511bc67e80ee0e1b6cc0
XWorm
ef8a0efc4e9a1b49e0b6d347f72c974a059c6537427640460c79b537f34e1bac
XWorm
error
XWorm
+ 1'586 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Link:
https://tria.ge/reports/250919-jvkfes1pw9/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
196.251.92.95:1989
Verdict:
Malicious
Tags:
External_IP_Lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/fa558b25-bae6-4180-9b99-a848d3609a35
Unpacked files
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
Link:
https://www.unpac.me/results/51aeab24-9172-4d0c-be94-17aaf2297238/
SH256 hash:
7c879780fb049f781352392ad66dde45ac1f3d50c0212bec09597142094c09ab
MD5 hash:
9a7b8d934f5c3c2c572072f198cdf05e
SHA1 hash:
1802b37f8a0f0e2566565f80fce9c0281b378427
Detections:
win_xworm_w0
Create hunting rule
win_xworm_a0
Create hunting rule
win_xworm_bytestring
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
Link:
https://www.unpac.me/results/51aeab24-9172-4d0c-be94-17aaf2297238/
Parent samples :
1a787f42e130fc6ed45415bd9aafce8935489e4a45181c7cd696a85f1209bc04
92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5
178fd809fc5bc75307c5091f0a139baf68479649bef1a173b4a6506dae596e20
SH256 hash:
c2a20dd2678ef53d41eb2147f5cf6cc6c09b378ac9388c9b70eaa2b8da5de0f7
MD5 hash:
8b9457f9187990e22c2a7a92d0ccba6b
SHA1 hash:
736c9f7c99d4971bb4ff596e5517c91ccff46ee6
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/51aeab24-9172-4d0c-be94-17aaf2297238/
SH256 hash:
92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5
MD5 hash:
81982b8dd2d65e26ccc1db8a743747e4
SHA1 hash:
36ea3f5f2c2498a961987e7c8c050fb8bc352cf4
Link:
https://www.unpac.me/results/51aeab24-9172-4d0c-be94-17aaf2297238/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/92d99c4f7209/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/92d99c4f72097b0f2e956f4b0f7dcbb25cd8c7dccaf24be2c7120774c70d42f5

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:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
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:DebuggerCheck__RemoteAPI
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EXE_RAT_XWorm_April2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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:NET
Create hunting rule
Author:malware-lu
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_imphash
Create hunting rule
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: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:Windows_Trojan_XWorm_b7d6eaa8
Create hunting rule
Author:Elastic Security
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

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/28283/

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