MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8. 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


Formbook


Vendor detections: 8


Intelligence 8 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8
SHA3-384 hash: 1b907dcde19f0931ee775a997c3eb65d16d4f3c72ce09f10c4ab370505c7ec057511dab3c4b41c5d162519702dfe9550
SHA1 hash: 38eb040858f692106b8cb84c8f9fc3118cb232df
MD5 hash: d12f3fcdc11dabc51a9d4921d2f7d7da
humanhash: stairway-zebra-victor-twelve
File name:XCBNJSD.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:32'929 bytes
First seen:2025-06-13 12:18:59 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 768:ZMndSKEK6VPBZdmV9uLUO7rLFOIfqnWWbMvqaWRZ01fmOLR:OndLYTdKq/7rLaWQ0qaWR+1+OV
TLSH T1D7E2F17EC878716215E0FC332BB07D01AD21F5B1C3891A2FA45907A779E0E09B907ABC
Magika zip
Reporter juroots
Tags:FormBook zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
438
Origin country :
IL IL
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:XCBNJSD.exe
File size:60'416 bytes
SHA256 hash: 488fd01b48843bf68389e2afad9b7e85086db28baa156ad753f4408e6002e06c
MD5 hash: cfc50ed72e1f4f2ea76e8ace0cc60255
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.17.6088.31561.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684c176407b5e8c1cfe6b4b4
Tags:
trojan extens micro
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8/results/dashboard
Gathering data
Verdict:
Suspicious
Labled as:
Trojan.Downloader
Link:
https://www.hybrid-analysis.com/sample/415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8/
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Create hunting rule
Status:
Malicious
First seen:
2025-06-13 07:36:57 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ifnfam4eggfjia72u2x6mnnjorq5enp6lbugxtwyn72m5nzpl6ua._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/250613-phyp6sel7z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Formbook

zip 415a503384318a9403faa6afe635a97461d235fe58686bced86ff4ceb72f5fa8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3561848/
  
Delivery method
Distributed via web download

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