MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5
SHA3-384 hash: 12de0548b8401c1db2d747102c00afbead0ae3e8bb6b290d0710242b42e0d48162a5da79a728eb5e7252de0e8875408f
SHA1 hash: c4e1aa7bf7d5bd0f6c19e8c00d2b32cca143ac19
MD5 hash: 5703edb174766786773f4b565b3ccf85
humanhash: august-lake-tennis-gee
File name:1714456685abe8dacd9647979ca6f07fce954d21483995c56b392e9993fc4dbb806aaf5610733.dat-decoded
Download: download sample
Signature XWorm
Create hunting rule
File size:33'280 bytes
First seen:2024-04-30 05:58:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:aEbmX5Qa+vN1h1+X3v6JFjL+g93Tm2eaFO3xdRApkFTBLTsOZwpGd2v99Ikuis/A:TVa+vNtg+PB93Tw46xdVFE9jyOjhvb/
TLSH T161E23B4877944712DAEEAFB12DF362021270951BE913EF5E0CE485EA2B67AC047407E6
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:base64-decoded exe xworm


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5.exe
Verdict:
Malicious activity
Analysis date:
2024-04-30 06:37:26 UTC
Tags:
remote xworm
Link:
https://app.any.run/tasks/ccf21fb0-7819-4c38-9d21-174b5d8d30e7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the %temp% directory
Reading critical registry keys
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2c040fcd-d19d-404a-9589-32084536a8b9
Result
Threat name:
StormKitty, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433876
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 URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected BrowserPasswordDump
Yara detected StormKitty Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5/
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-04-30 05:59:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5peyly2zovcjd3vahutcrrnhwtv43plubiamvjycu574ffgxw2q._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:stormkitty family:xworm rat spyware stealer trojan
Link:
https://tria.ge/reports/240430-gpransea63/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Reads user/profile data of web browsers
Contains code to disable Windows Defender
Detect Xworm Payload
StormKitty
StormKitty payload
Xworm
Malware Config
C2 Extraction:
91.92.242.85:3344
Unpacked files
SH256 hash:
6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5
MD5 hash:
5703edb174766786773f4b565b3ccf85
SHA1 hash:
c4e1aa7bf7d5bd0f6c19e8c00d2b32cca143ac19
Detections:
XWorm
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/9184cc7d-f136-4998-9979-dccb8a3c5902/
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/6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5

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: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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

abe8dacd9647979ca6f07fce954d21483995c56b392e9993fc4dbb806aaf5610

XWorm

Executable exe 6f5e4c2f1acbaa248f7501e931462d3da75e6deba050065538153bfe14a6bdb5

(this sample)

  
Dropped by
SHA256 abe8dacd9647979ca6f07fce954d21483995c56b392e9993fc4dbb806aaf5610
  
Dropped by
MD5 847580e865d793e58d171c6eb996ffaa
  
URLhaus
https://urlhaus.abuse.ch/url/2832401/
  
Delivery method
Distributed via web download

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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