MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 871f0fd0d0e59fbd6f31f35ebf0982e9086e6a2778510b0d6b54acbe506cc3d1. 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: 21


Intelligence 21 IOCs 1 YARA 19 File information Comments 2

SHA256 hash: 871f0fd0d0e59fbd6f31f35ebf0982e9086e6a2778510b0d6b54acbe506cc3d1
SHA3-384 hash: f78343f821e97b5ee50696575bbb431c6bb86a48674e80d043e6b9ec0fc202cc3162ce173f1494a22f91ebbd78fcbf16
SHA1 hash: c23cbd215ae397cb32324d704cda49217a457421
MD5 hash: 8862479f7af81fcf39c15ef723ac1ee1
humanhash: friend-cup-alpha-alaska
File name:8862479F7AF81FCF39C15EF723AC1EE1.exe
Download: download sample
Signature XWorm
File size:41'984 bytes
First seen:2025-08-04 10:50:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:2bicIWWUMU2V6FIglYgUbxOu8LQqlR/eF3y9U6ziWO+hT0LFk:O/l7MRVOPYgPR9WFC9U6ziWO+p02
TLSH T10D134B087BD04625D9FEBFFA18B376021730F5075917DB4E0CC9899B1B67B848A417EA
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
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
192.241.251.248:7000

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
192.241.251.248:7000 https://threatfox.abuse.ch/ioc/1564183/

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8862479F7AF81FCF39C15EF723AC1EE1.exe
Verdict:
Malicious activity
Analysis date:
2025-08-04 10:51:06 UTC
Tags:
auto-startup xworm crypto-regex remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a window
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat njrat obfuscated packed packer_detected rat vbnet xworm
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
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
Suricata IDS alerts for network traffic
Yara detected XWorm
Behaviour
Behavior Graph:
Verdict:
njRat
YARA:
14 match(es)
Tags:
.Net Executable njRat PE (Portable Executable) RAT SOS: 0.24 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-08-01 11:39:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:xworm rat trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Drops startup file
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
192.241.251.248:7000
Verdict:
Malicious
Tags:
rat xworm trojan Win.Packed.njRAT-10002074-1
YARA:
MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring Windows_Generic_Threat_b509dfc8
Unpacked files
SH256 hash:
871f0fd0d0e59fbd6f31f35ebf0982e9086e6a2778510b0d6b54acbe506cc3d1
MD5 hash:
8862479f7af81fcf39c15ef723ac1ee1
SHA1 hash:
c23cbd215ae397cb32324d704cda49217a457421
Detections:
win_xworm_w0 XWorm
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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:Windows_Generic_Threat_b509dfc8
Author:Elastic Security
Rule name:Windows_Trojan_XWorm_b7d6eaa8
Author:Elastic Security
Rule name:win_xworm_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm
Author:jeFF0Falltrades
Rule name:xworm_kingrat
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

Comments



Avatar
commented on 2025-08-08 19:02:10 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "871f0fd0d0e59fbd6f31f35ebf0982e9086e6a2778510b0d6b54acbe506cc3d1",
"yara_possible_family": "xworm",
"key": "440c32e041318aaf1508c7ca8bd350440c32e041318aaf1508c7ca8bd3503000",
"salt": "None",
"config": {
"Hosts": [
"192.241.251.248"
],
"Ports": [
"7000"
],
"KEY": "<123456789>",
"SPL": "<Xwormmm>",
"Sleep": 3,
"Group": "Xspy V5.6",
"USBNM": "USB.exe",
"InstallDir": "%AppData%",
"InstallStr": "windows",
"Mutex": "XvQy1TxzQQDojPtO",
"LoggerPath": "\\Log.tmp",
"BTC": "1EXrHaYPqv3AfJgJgzzP7H1wY7EtDTwNYx",
"ETH": "0xfa65fdbea704ba835c9ec13d7ca930a831636ac5",
"TRC": "TU5QkpoNnLJZBpWck8CoQsy7p37fLDDcRA"
}
}

Avatar
commented on 2025-08-08 18:55:49 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "871f0fd0d0e59fbd6f31f35ebf0982e9086e6a2778510b0d6b54acbe506cc3d1",
"yara_possible_family": "xworm",
"key": "440c32e041318aaf1508c7ca8bd350440c32e041318aaf1508c7ca8bd3503000",
"salt": "None",
"config": {
"Hosts": [
"192.241.251.248"
],
"Ports": [
"7000"
],
"KEY": "<123456789>",
"SPL": "<Xwormmm>",
"Sleep": 3,
"Group": "Xspy V5.6",
"USBNM": "USB.exe",
"InstallDir": "%AppData%",
"InstallStr": "windows",
"Mutex": "XvQy1TxzQQDojPtO",
"LoggerPath": "\\Log.tmp",
"BTC": "1EXrHaYPqv3AfJgJgzzP7H1wY7EtDTwNYx",
"ETH": "0xfa65fdbea704ba835c9ec13d7ca930a831636ac5",
"TRC": "TU5QkpoNnLJZBpWck8CoQsy7p37fLDDcRA"
}
}