MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 313d7ab3ab9ce9c507806980d866aa7f47cad13f943f3fcf24cc0a6050be6716. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 313d7ab3ab9ce9c507806980d866aa7f47cad13f943f3fcf24cc0a6050be6716
SHA3-384 hash: 53e366a7ce0558091f04d32e80a41e77315139a476fcce3e1d7d618a6149115c52a07b6ef5b1c7e1a3ea01785d80bca4
SHA1 hash: 2e8a144a059d3a9e4e478157846cf059010c3208
MD5 hash: 1ccd58c22ebd40ce9bb0e12f9da265ed
humanhash: thirteen-angel-east-butter
File name:Excel_xls.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:206'744 bytes
First seen:2023-02-06 07:13:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:LOWTJzIvnSpPgxKWhihVF1W+k2RnZbvAv9k84KDyiRX3o:LBqvn1xKWhiPDW+DNZslksyiO
Threatray 5'163 similar samples on MalwareBazaar
TLSH T13F14D467657CC1E2FE9D3DF85A5857615AB02DA24234F20BE98FBCD5E8B3253C2002D6
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 31b09c969698b033 (55 x AgentTesla, 27 x AveMariaRAT, 15 x Formbook)
Reporter adrian__luca
Tags:exe signed xworm

Code Signing Certificate

Organisation:Microsoft Corperation
Issuer:Microsoft Corperation
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-30T17:21:11Z
Valid to:2024-01-30T17:21:11Z
Serial number: d92ab9575e3889bd1383b3d94b38d0bf
Thumbprint Algorithm:SHA256
Thumbprint: 3ceb5d607260dd1909eefa1fa6b3403beb18bf604a129688ffe5c0ec0459e9b8
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
luminosity
Create hunting rule
ID:
1
File name:
Excel_xls.exe
Verdict:
Malicious activity
Analysis date:
2023-02-06 07:15:00 UTC
Tags:
trojan rat luminosity
Link:
https://app.any.run/tasks/5161e13e-504c-42ca-9c08-c882ec2dd299

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/360617/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65265851.28743.27036.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a service
Loading a system driver
Changing a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun for a service
Blocking the User Account Control
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/63e0a8d789bd67c10fdcb9e3/reports/83424510-8200-4a08-aa1a-d3b464db714b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/313d7ab3ab9ce9c507806980d866aa7f47cad13f943f3fcf24cc0a6050be6716
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/56062dfd-27dc-4ee0-85f5-d7030aa413c9
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1166320
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Disables UAC (registry)
Drops PE files with benign system names
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 799092 Sample: Excel_xls.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 100 85 Snort IDS alert for network traffic 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 9 other signatures 2->91 9 Excel_xls.exe 1 7 2->9         started        14 svchost.exe 3 2->14         started        16 svchost.exe 4 2->16         started        18 10 other processes 2->18 process3 dnsIp4 79 185.17.0.79, 49713, 49717, 49718 SUPERSERVERSDATACENTERRU Russian Federation 9->79 69 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 9->69 dropped 71 C:\Users\user\AppData\...xcel_xls.exe.log, CSV 9->71 dropped 103 Drops PE files with benign system names 9->103 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        105 Writes to foreign memory regions 14->105 107 Adds a directory exclusion to Windows Defender 14->107 109 Injects a PE file into a foreign processes 14->109 25 powershell.exe 14->25         started        27 InstallUtil.exe 14->27         started        73 C:\Windows\Temp\qtccwp1i.inf, Windows 16->73 dropped 29 powershell.exe 16->29         started        35 2 other processes 16->35 75 C:\Windows\Temp\kga40xn1.inf, Windows 18->75 dropped 111 System process connects to network (likely due to code injection or exploit) 18->111 113 Query firmware table information (likely to detect VMs) 18->113 115 Changes security center settings (notifications, updates, antivirus, firewall) 18->115 31 powershell.exe 18->31         started        33 powershell.exe 18->33         started        37 7 other processes 18->37 file5 signatures6 process7 signatures8 39 svchost.exe 5 5 20->39         started        57 2 other processes 20->57 93 Uses schtasks.exe or at.exe to add and modify task schedules 22->93 43 conhost.exe 22->43         started        45 schtasks.exe 1 22->45         started        47 conhost.exe 25->47         started        49 conhost.exe 29->49         started        51 conhost.exe 31->51         started        53 conhost.exe 33->53         started        55 conhost.exe 37->55         started        process9 file10 67 C:\Users\user\AppData\Local\Temp\?????.sys, PE32+ 39->67 dropped 95 Writes to foreign memory regions 39->95 97 Adds a directory exclusion to Windows Defender 39->97 99 Disables UAC (registry) 39->99 101 2 other signatures 39->101 59 InstallUtil.exe 39->59         started        63 powershell.exe 39->63         started        signatures11 process12 dnsIp13 81 skynetwalker.ddns.net 16.171.64.187, 7000 unknown United States 59->81 83 192.168.2.1 unknown unknown 59->83 77 C:\Users\user\AppData\...\InstallUtil.exe, PE32 59->77 dropped 65 conhost.exe 63->65         started        file14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/313d7ab3ab9ce9c507806980d866aa7f47cad13f943f3fcf24cc0a6050be6716/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-01 05:54:42 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
20
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ge6xvm5lttu4kb4anganqzvkp5d4vuj7sq7t7tzezqfgauf6m4la._file
Verdict:
malicious
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+ 5'153 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence trojan
Link:
https://tria.ge/reports/230206-h2n7hsce53/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Windows security modification
Sets service image path in registry
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
313d7ab3ab9ce9c507806980d866aa7f47cad13f943f3fcf24cc0a6050be6716
MD5 hash:
1ccd58c22ebd40ce9bb0e12f9da265ed
SHA1 hash:
2e8a144a059d3a9e4e478157846cf059010c3208
Link:
https://www.unpac.me/results/207ee0ff-3d79-4cce-a800-668708b4fa2c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/313d7ab3ab9ce9c507806980d866aa7f47cad13f943f3fcf24cc0a6050be6716

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

Malspam

XWorm

Executable exe 313d7ab3ab9ce9c507806980d866aa7f47cad13f943f3fcf24cc0a6050be6716

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/360617/

Comments