MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0
SHA3-384 hash: 0b993395769aa8988db4518706ecbba15ae9ff2dd37f5cfb9ccaf7291c4cad3ed643812fa4fe6ab24b4cfab0d734064d
SHA1 hash: 809d47078badd8bb8f8beab716c7ce4c3a3d29e2
MD5 hash: 3f41b99fe4dda40d0b207061572de023
humanhash: oxygen-aspen-charlie-skylark
File name:adblocker.exe
Download: download sample
File size:24'064 bytes
First seen:2025-06-20 11:18:42 UTC
Last seen:2025-07-08 09:48:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 384:41/OPlol8KHlnY+ABVTontSzwKITVLMtwa3XbhN9uC8/7w4OtsIhhu5IA+jtuI:41/OPlol8ke+8Unt7+d3XbMxZPIhhUIN
TLSH T165B208087E848A25C5ED0B77D9F1921042B4D9C6F856E30F2CE0A6FA2A676D81F523D7
TrID 35.4% (.EXE) Win64 Executable (generic) (10522/11/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4504/4/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Anonymous
Tags:exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
555
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://secfileshare.com/Укрспецзв_Акт_30_05_25_ДР25_2313_13%20від%2026_02_2025.rar
Verdict:
Malicious activity
Analysis date:
2025-06-08 02:00:20 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/1d5e1630-d78e-4b0d-b23b-268ef2df0238

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/10320/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.17249.25452.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685543b6e08881bb831b1606
Tags:
n/a
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 obfuscated reconnaissance
Link:
https://www.filescan.io/uploads/685543cccf2af15711131e06/reports/93f287b2-31a6-4f29-977e-cc63049184dd/overview
Verdict:
Malicious
Labled as:
Ursu.Generic
Link:
https://www.hybrid-analysis.com/sample/f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/72d66871-9880-4423-9df8-7fa68261ca94
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.rans.spre.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1719308
Signature
Joe Sandbox ML detected suspicious sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Performs a network lookup / discovery via ARP
Sigma detected: New RUN Key Pointing to Suspicious Folder
Tries to harvest and steal browser information (history, passwords, etc)
Behaviour
Behavior Graph:
Download SVG
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/3f41b99fe4dda40d0b207061572de023
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-06-06 19:08:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6t3l52qr6inakpjh24m5vnyrusbludroiliwbtx5xwwxvfmlspia._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence spyware stealer
Link:
https://tria.ge/reports/250620-ne16fsxnt2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Network Service Discovery
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
ransomware
YARA:
SUSP_RANSOMWARE_Indicator_Jul20
Link:
https://app.threat.zone/submission/d402daa3-0f1d-41c1-aca8-95a03d5a9413
Unpacked files
SH256 hash:
f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0
MD5 hash:
3f41b99fe4dda40d0b207061572de023
SHA1 hash:
809d47078badd8bb8f8beab716c7ce4c3a3d29e2
Link:
https://www.unpac.me/results/fa78bed7-8d97-45d3-a494-1d8c48ef1086/
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/f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

zip e07b33b5560bbef2e4ae055a062fdf5b6a7e5b097283a77a0ec87edb7a354725

Executable exe f4f6beea11f21a053d27d719dab711a482ba0e2e42d160cefdbdad7a958b93d0

(this sample)

  
Dropped by
SHA256 e07b33b5560bbef2e4ae055a062fdf5b6a7e5b097283a77a0ec87edb7a354725
Cape
Cape
https://www.capesandbox.com/analysis/10320/
  
Dropped by
MD5 cd00b3c263fe03b00ea349635a746570
  
Dropped by
SHA256 78ca4a3aa6a2d53756647b8be5e3c3549a673763f9ef1a62cb43e2eb77a49e43
  
Dropped by
MD5 35750cc292cf2f56fceb22dade3d8870

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 (GUARD_CF)high

Comments