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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d. 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


LunexLoader


Vendor detections: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d
SHA3-384 hash: 1f6a8b69e018c8259000baea880633d2cd9347a9ddbbb30e76fb17396276b1b73d8e7811b631f594eb67d78070e54c36
SHA1 hash: 107381315824cb51bc00f47f935c0f656277ad6d
MD5 hash: 653394ac1395c04829b93ba984ac7982
humanhash: sweet-bulldog-neptune-carbon
File name:build_kappkan.exe
Download: download sample
Signature LunexLoader
Create hunting rule
File size:205'312 bytes
First seen:2026-11-01 11:38:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 2123efc5a268a9fe8701bf5441fd1f93 (1 x LunexLoader)
ssdeep 6144:a4buTIgVj8zA7mt32CtI1qqD9qqDoF7hs8XLDUIWiZmyBup:PmoU6h5I4q0qA7ht/U7iIyC
TLSH T1FB14D10768E08EF4EC558074861BEDA648627A881731D0FF27F525083F76AF69F7AD21
TrID 51.9% (.EXE) Win64 Executable (generic) (6522/11/2)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.9% (.EXE) Generic Win/DOS Executable (2002/3)
15.9% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe LunexLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
build_kappkan.zip
Verdict:
Malicious activity
Analysis date:
2026-09-25 07:31:32 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/af57b9bc-104d-4e88-a991-088cfb43fa0c

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/96566/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader51.58227.6529.30213.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae72503b175ade21dcee64c
Tags:
extens spawn blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a service
Launching a service
Loading a system driver
Enabling autorun for a service
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d
Verdict:
Unknown
File Type:
exe x64
First seen:
2026-11-02T01:10:00Z UTC
Last seen:
2026-11-02T01:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d/results?tab=lookup
Malware family:
Mistic
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a39562ec-9c6b-4e47-924e-ffdeb75eb6d8
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1996110
Signature
Drops PE files to the user root directory
Found direct / indirect Syscall (likely to bypass EDR)
May modify the system service descriptor table (often done to hook functions)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1996110 Sample: build_kappkan.exe Startdate: 01/11/2026 Architecture: WINDOWS Score: 72 36 Multi AV Scanner detection for dropped file 2->36 38 Multi AV Scanner detection for submitted file 2->38 7 build_kappkan.exe 1 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 8 2->13         started        15 6 other processes 2->15 process3 file4 32 C:\Users\Public\3qdc32lo3id.sys, PE32+ 7->32 dropped 40 Drops PE files to the user root directory 7->40 42 May modify the system service descriptor table (often done to hook functions) 7->42 44 Sample is not signed and drops a device driver 7->44 46 Found direct / indirect Syscall (likely to bypass EDR) 7->46 17 curl.exe 2 7->17         started        20 WerFault.exe 19 16 7->20         started        22 WmiPrvSE.exe 7->22         started        24 MpCmdRun.exe 1 11->24         started        26 WerFault.exe 2 13->26         started        signatures5 process6 dnsIp7 34 127.0.0.1 unknown unknown 17->34 28 conhost.exe 17->28         started        30 conhost.exe 24->30         started        process8
Score:
81%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/653394ac1395c04829b93ba984ac7982
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d/
Threat name:
Win64.Trojan.Genkryptikagen
Create hunting rule
Status:
Malicious
First seen:
2026-10-14 21:28:49 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7z2nkvovpxzlkuuqstou2mmbahfkyvg7vyjihwtdnuynt37suoq._file
Verdict:
malicious
Label(s):
LunexLoader
Create hunting rule
Link:
https://reports.threatray.com/0cd05e97-902a-4088-821f-88bd49f43e39
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/261101-nsnsaab14k/
Behaviour
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Reads the TCP/IP host and domain name from the registry
Executes dropped EXE
Unpacked files
SH256 hash:
57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d
MD5 hash:
653394ac1395c04829b93ba984ac7982
SHA1 hash:
107381315824cb51bc00f47f935c0f656277ad6d
Link:
https://www.unpac.me/results/eadd8f9a-fac0-4a14-8d79-fdd486072abf/
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/57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
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)
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:WIN_Malware_Unknown_ForgeAuto_3ee43008
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

File information

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

Web download

LunexLoader

Executable exe 57f3a6aaaeabef95aa9484a6ea698c080e5562a6fd70941ed31b6986cf7f951d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/4049447/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/96566/

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