MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136
SHA3-384 hash: 6fbf1a53fe13cb3d4dea705fd54635e45e4d7c0a0375d84a3e9bb6036d3be8dacb1b1ceff39a6bafe003384298532345
SHA1 hash: a93947362ad34f4161bc229cb8a5b97a5a134b29
MD5 hash: 655e5ebcffc3fa9a84d254f7d31c794e
humanhash: earth-iowa-vermont-purple
File name:bypass.bat
Download: download sample
File size:386 bytes
First seen:2026-03-16 23:37:25 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 6:hY7vj5t6qUEiWyidJ35O34zinLpy6mcPxEM3n66DM+Evj5t6qUEiUbT4dTDyLMro:ebbyid1e4ziLpVmWEM3/jEb6dTDZsJn
TLSH T1D8E06810E8E60969A6A9E66856453356F25BA3CF8230925262FC105920872CFD276AF1
Magika batch
Reporter kirk

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
BatchScript
Details
BatchScript
varying reportable information from embedded commands and any observed URLs
Link:
https://research.acce.ciphertechsolutions.com/results/ee42bc11-13be-4870-a46c-a7f735e72e97/
Malware family:
n/a
ID:
1
File name:
bypass.bat
Verdict:
Malicious activity
Analysis date:
2026-03-16 23:32:18 UTC
Tags:
uac
Link:
https://app.any.run/tasks/28bca971-b45f-42d2-8aaa-227306c51f80

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/57690/
Detection(s):
SecuriteInfo.com.Generic.UAC.Marte.B.96F86E70.18919.13958.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b8930188c80c01586af347
Tags:
shell micro sage
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Launching a process
Running batch commands
Sending a custom TCP request
Enabling autorun with the shell\open\command registry branches
Verdict:
Malicious
Labled as:
UAC.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136
Verdict:
Malicious
File Type:
unix shell
First seen:
2024-09-08T09:56:00Z UTC
Last seen:
2024-09-08T09:56:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.BAT.Alien.gen PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136/results?tab=lookup
Score:
1%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136
Threat name:
Text.Malware.Marte
Create hunting rule
Status:
Malicious
First seen:
2026-03-16 23:32:23 UTC
File Type:
Text (Batch)
AV detection:
3 of 36 (8.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cunus74qggqncyi7ykhbmilyuu74tg4oa43cu6dkkjeye4pke3a._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion trojan
Link:
https://tria.ge/reports/260316-3mrz3sht5r/
Behaviour
Modifies registry class
Modifies registry key
Suspicious use of WriteProcessMemory
UAC bypass
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/f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136

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_UACBypass_fodhelper
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using fodhelper.exe

File information

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

Web download

Batch (bat) bat f8a8da4bfc818d068b08fe1470b10bc529fe4cdc7039b153c352924c138f5136

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/57690/
  
URLhaus
https://urlhaus.abuse.ch/url/3797650/
  
Delivery method
Distributed via web download

Comments


Avatar
commented on 2026-03-16 23:38:03 UTC

LNK dropper chain from nelark[.]icu (195.26.242.135, Contabo). Kill chain: 1.pdf.lnk -> bb.ps1 (beacon) -> bypass.bat (fodhelper UAC bypass) -> bpersist.ps1 (Defender exclusions persistence) -> scheduler-once.bat (schtask as SYSTEM every 5min) -> a.ps1 (C2 polling loop). C2 endpoints: bb.php, get-command.php, post_proc.php, index.php under /xftaswx/res/. Persistence: schtask Intel(R) Ethernet3 Connection 1219-LM. Victim ID: HKLM:\Software\Wireless\uid