MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bc4914c90a2d1c4115a50a1dc1c21f5401532ffc8e40225af6ab9179adb1215. 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: 19


Intelligence 19 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bc4914c90a2d1c4115a50a1dc1c21f5401532ffc8e40225af6ab9179adb1215
SHA3-384 hash: 65891912abd26626c9a58017b5264c6f7008aaa20bb9091916e1fa9b2bf8edc60e6341bc6346aa55916b60256c55c488
SHA1 hash: 518f6cd5ba3788f84f8a55c1ff1c792816bbac54
MD5 hash: a03f437613e3e211f67eb617abafa8c7
humanhash: beryllium-pennsylvania-moon-crazy
File name:Skype.exe.bin
Download: download sample
Signature XWorm
Create hunting rule
File size:189'952 bytes
First seen:2025-03-13 13:36:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:mdJKY0k5fbefpyNOL27qlXod2a3v7EsUT8rmtIhp:iK7QfbWgga+odF/HUTftO
TLSH T1CD046247A2280C21DBB4EE3591DCD8BB495F6E3AF5A2424D7CF5FC5824F68F1092AD06
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 7cf2e9f8e068b0c0 (3 x XWorm, 2 x AsyncRAT)
Reporter KatzenTech
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
400
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Skype.exe
Verdict:
Malicious activity
Analysis date:
2025-03-13 11:55:11 UTC
Tags:
evasion xworm remote autorun-startup autorun-reg
Link:
https://app.any.run/tasks/8de530aa-e5d5-4607-93eb-94d81f199b87

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d2c79c3962f1a6f470cbaf
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a window
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor config-extracted fingerprint lolbin masquerade obfuscated obfuscated rat reconnaissance schtasks vbnet xworm
Link:
https://www.filescan.io/uploads/67d2df913c5f644bd951d142/reports/ced05c18-de15-4508-9880-39e14b515b81/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/2bc4914c90a2d1c4115a50a1dc1c21f5401532ffc8e40225af6ab9179adb1215
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bbc425a1-e8dc-4f06-a7e4-8d531ad992a6
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1637335
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1637335 Sample: Skype.exe.bin.exe Startdate: 13/03/2025 Architecture: WINDOWS Score: 100 40 choose-lamb.gl.at.ply.gg 2->40 42 ip-api.com 2->42 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 13 other signatures 2->54 8 Skype.exe.bin.exe 15 6 2->8         started        13 XClient.exe 2->13         started        15 XClient.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 44 choose-lamb.gl.at.ply.gg 147.185.221.24, 47823, 49694 SALSGIVERUS United States 8->44 46 ip-api.com 208.95.112.1, 49686, 80 TUT-ASUS United States 8->46 38 C:\Users\user\AppData\Roaming\XClient.exe, PE32 8->38 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->58 60 Protects its processes via BreakOnTermination flag 8->60 62 Bypasses PowerShell execution policy 8->62 68 3 other signatures 8->68 19 powershell.exe 23 8->19         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 2 other processes 8->26 64 Antivirus detection for dropped file 13->64 66 Multi AV Scanner detection for dropped file 13->66 file6 signatures7 process8 signatures9 56 Loading BitLocker PowerShell Module 19->56 28 conhost.exe 19->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 26->36         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2bc4914c90a2d1c4115a50a1dc1c21f5401532ffc8e40225af6ab9179adb1215
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2bc4914c90a2d1c4115a50a1dc1c21f5401532ffc8e40225af6ab9179adb1215/
Threat name:
Win32.Exploit.Xworm
Create hunting rule
Status:
Malicious
First seen:
2025-03-13 11:55:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fpcjctequli4iek2kcq5yhbb6vabkmx7zdsaejnpnk4rpgw3cikq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
XWorm
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/250313-qwv2wawpz8/
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
choose-lamb.gl.at.ply.gg:47823
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1 external_ip_lookup
YARA:
win_mal_XWorm EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm win_xworm_bytestring
Link:
https://app.threat.zone/submission/62438950-3e97-463a-8af3-cee1cd175bd1
Unpacked files
SH256 hash:
2bc4914c90a2d1c4115a50a1dc1c21f5401532ffc8e40225af6ab9179adb1215
MD5 hash:
a03f437613e3e211f67eb617abafa8c7
SHA1 hash:
518f6cd5ba3788f84f8a55c1ff1c792816bbac54
Detections:
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/0804dbbd-8f5b-45e3-83e8-c78160c5fe8a/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2bc4914c90a2/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/2bc4914c90a2d1c4115a50a1dc1c21f5401532ffc8e40225af6ab9179adb1215

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: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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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: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:jeFF0Falltrades
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.

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 (HIGH_ENTROPY_VA)high

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