MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 195da2543cf0af339eb2e451942c8cc014d0cc27560985f69dbc1633d16686c6. 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: 17


Intelligence 17 IOCs 2 YARA 6 File information Comments

SHA256 hash: 195da2543cf0af339eb2e451942c8cc014d0cc27560985f69dbc1633d16686c6
SHA3-384 hash: 077a1e0c142b857652c04463fcf433062d3ecb7bcf1afb0da33fa5fc7460cdb6344ba4c9a99b97a42c17011f927ce1db
SHA1 hash: fec6cca06b80101db9143445294dca60e7fc3028
MD5 hash: efd590fa530556d8103e22b9cc254ac0
humanhash: twelve-july-alaska-whiskey
File name:efd590fa530556d8103e22b9cc254ac0.exe
Download: download sample
Signature XWorm
File size:73'720 bytes
First seen:2025-08-16 20:05:21 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 1536:5OpwLVUUj76+VNS18bOS5tGNXGRqWISl9CIQkUB7yo47Q9mfIiS:54wLaY88S4AN23Io9C2UB/B
TLSH T16B73BF98266CC50BDA4F5EBCB0A199629130A7932503CBDA3DCCA4DF5FA7780870539F
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon b08e8e8e8e8e8e30 (8 x RustyStealer, 5 x XWorm)
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
27.50.63.9:441

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
27.50.63.9:441 https://threatfox.abuse.ch/ioc/1570079/
27.124.12.33:441 https://threatfox.abuse.ch/ioc/1570080/

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
efd590fa530556d8103e22b9cc254ac0.exe
Verdict:
Malicious activity
Analysis date:
2025-08-16 20:09:04 UTC
Tags:
susp-powershell xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a process with a hidden window
Creating a window
Sending a custom TCP request
Sending a TCP request to an infection source
Setting a global event handler for the keyboard
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes base64 crypto expired-cert invalid-signature packed packed persistence powershell powershell.exe ps2exe short-lived-cert signed whoami
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Reads the Security eventlog
Reads the System eventlog
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Suricata IDS alerts for network traffic
Uses whoami command line tool to query computer and username
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1758477 Sample: QNTxSBuqWJ.exe Startdate: 16/08/2025 Architecture: WINDOWS Score: 100 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 7 QNTxSBuqWJ.exe 14 57 2->7         started        12 powershell.exe 7 2->12         started        process3 dnsIp4 40 27.124.12.33, 441, 49726 BCPL-SGBGPNETGlobalASNSG Singapore 7->40 42 27.50.63.9, 441, 49725 BCPL-SGBGPNETGlobalASNSG Singapore 7->42 44 104.233.230.116, 49720, 80 PEGTECHINCUS United States 7->44 38 C:\Users\user\AppData\...\ji0ttkuo.cmdline, Unicode 7->38 dropped 54 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->54 56 Uses whoami command line tool to query computer and username 7->56 58 Loading BitLocker PowerShell Module 7->58 60 2 other signatures 7->60 14 powershell.exe 7->14         started        17 WerFault.exe 7->17         started        20 csc.exe 3 7->20         started        24 3 other processes 7->24 22 conhost.exe 12->22         started        file5 signatures6 process7 file8 62 Loading BitLocker PowerShell Module 14->62 26 conhost.exe 14->26         started        32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 17->32 dropped 34 C:\Users\user\AppData\Local\...\noz5xnbg.dll, PE32 20->34 dropped 28 cvtres.exe 20->28         started        36 C:\Users\user\AppData\Local\...\ji0ttkuo.dll, PE32 24->36 dropped 30 cvtres.exe 1 24->30         started        signatures9 process10
Verdict:
Malware
YARA:
11 match(es)
Tags:
.Net DeObfuscated Executable Managed .NET PE (Portable Executable) PE File Layout PowerShell SOS: 0.34 Win 32 Exe x86
Threat name:
Win32.Backdoor.Xworm
Status:
Suspicious
First seen:
2025-08-09 20:48:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Verdict:
suspicious
Label(s):
admintool_ps2exe
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:xworm defense_evasion execution loader rat spyware trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Xworm
Xworm family
Malware Config
C2 Extraction:
103.82.36.216:7000
Unpacked files
SH256 hash:
195da2543cf0af339eb2e451942c8cc014d0cc27560985f69dbc1633d16686c6
MD5 hash:
efd590fa530556d8103e22b9cc254ac0
SHA1 hash:
fec6cca06b80101db9143445294dca60e7fc3028
Malware family:
DonutLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

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
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high

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