MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4
SHA3-384 hash: 49c6696bc094425ab77d730372a51682c1f9e00c33aa78947da85e786a1d27ac5896ede273e429c22f80e2419d07c99c
SHA1 hash: e98492f076095a6f323e80277ad55bc0639406aa
MD5 hash: 5b361316509f8f3194eb12dd8b741c6c
humanhash: pasta-high-hydrogen-maryland
File name:siuu.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:264'704 bytes
First seen:2024-06-06 20:29:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 3072:OYuJYDyLDXFZ2e5B5E5YojWww/wJobAsQcQbEHBAnpK37nXT8u0C/Q7Lue74tyoO:OwDyLDXFZ95L7oLw/wo/8IiaQ7bg8
TLSH T154447C412BE8C96BDEBF27B9E4B316105BB4F14AD111E74A388C54E95F233409A173AF
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 1ZRR4H
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
571
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4.exe
Verdict:
Malicious activity
Analysis date:
2024-06-06 20:32:10 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/23401fa0-fec6-4700-829d-155f94c5549d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the system32 directory
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Connection attempt to an infection source
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Query of malicious DNS domain
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4
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/607861e3-b4be-4247-ac5b-aad8109494b1
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1453340
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
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Drops executables to the windows directory (C:\Windows) and starts them
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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: 1453340 Sample: siuu.exe Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 32 raw.githubusercontent.com 2->32 34 hai1723sad-22118.portmap.host 2->34 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 8 other signatures 2->46 8 svchost?.exe 14 3 2->8         started        12 siuu.exe 2 2->12         started        signatures3 process4 dnsIp5 36 raw.githubusercontent.com 185.199.108.133, 443, 49737 FASTLYUS Netherlands 8->36 38 hai1723sad-22118.portmap.host 193.161.193.99, 22118, 49738, 49739 BITREE-ASRU Russian Federation 8->38 48 Antivirus detection for dropped file 8->48 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->50 52 Protects its processes via BreakOnTermination flag 8->52 56 3 other signatures 8->56 15 powershell.exe 23 8->15         started        18 powershell.exe 23 8->18         started        28 C:\Windows\System32\svchost?.exe, PE32 12->28 dropped 30 C:\Users\user\AppData\Local\...\siuu.exe.log, CSV 12->30 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 12->54 20 schtasks.exe 1 12->20         started        file6 signatures7 process8 signatures9 58 Loading BitLocker PowerShell Module 15->58 22 conhost.exe 15->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process10
Score:
79%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4/
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-06-06 18:33:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fsknt2d22xeegbemjie4g4z3dubsn45vzzvebz5zmt2fanabdxka._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/240606-y95ggacg47/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in System32 directory
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Unpacked files
SH256 hash:
be9f90f035ff41d59d5579c507eef589daad57aa749128f88df76ca7d858a488
MD5 hash:
4215e3706e043c0af260e1a19ee77b08
SHA1 hash:
fed96918f57562492f5c6c9a4630ffaaedeb587b
Detections:
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/52dd803b-20cf-4865-9153-c6658c7af7d3/
SH256 hash:
2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4
MD5 hash:
5b361316509f8f3194eb12dd8b741c6c
SHA1 hash:
e98492f076095a6f323e80277ad55bc0639406aa
Link:
https://www.unpac.me/results/52dd803b-20cf-4865-9153-c6658c7af7d3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2c94d9e87ad5/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/2c94d9e87ad5c843048c4a09c3733b1d0326f3b5ce6a40e7b964f45034011dd4

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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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