MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 049d02bca5fcfb5cc8f429493bd150a2363cfafc940a51fb60af9c298946cafa. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 049d02bca5fcfb5cc8f429493bd150a2363cfafc940a51fb60af9c298946cafa
SHA3-384 hash: 90c3fb70f1d9d318e8c65f7694cba3cbc1437cc73c669b24cf67f3403685de21d373a589355c6fba5d5bd8a3000f7989
SHA1 hash: 0b3d7a9a04621ed9cbeabf0f6325a18a33aaa73e
MD5 hash: c690ffc43b19402a3bd134ca947f4693
humanhash: tango-fillet-east-maryland
File name:PO-453002.bat
Download: download sample
Signature Formbook
File size:1'067'008 bytes
First seen:2026-03-02 16:20:02 UTC
Last seen:2026-03-02 17:21:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:RKOgjG2xTHKHKxW783P0GLM8MkiHlk6O7WPDTf+xt8:EOgjGSHkKxW78fG81x7WPDj+xt8
Threatray 64 similar samples on MalwareBazaar
TLSH T1E5350229AA27C90BC6554B3686F1F27413785ECAF802E2275FE87ED7BD67B564C00243
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter JAMESWT_WT
Tags:exe FormBook katz-adv-br

Intelligence


File Origin
# of uploads :
3
# of downloads :
287
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://katz.adv.br/po/PO-453002.bat
Verdict:
Malicious activity
Analysis date:
2026-02-26 11:31:58 UTC
Tags:
loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt masquerade net_reactor obfuscated packed packed phishing
Verdict:
Malicious
Labled as:
MSIL/GenKryptik_AGeneric.BVG trojan
Verdict:
Malicious
File Type:
exe x64
Detections:
HEUR:Trojan.MSIL.Taskun.sb HEUR:Trojan.MSIL.Taskun.gen PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan.Win32.Agent.sb
Gathering data
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2026-02-26 00:38:23 UTC
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
049d02bca5fcfb5cc8f429493bd150a2363cfafc940a51fb60af9c298946cafa
MD5 hash:
c690ffc43b19402a3bd134ca947f4693
SHA1 hash:
0b3d7a9a04621ed9cbeabf0f6325a18a33aaa73e
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Web download

Formbook

Executable exe 049d02bca5fcfb5cc8f429493bd150a2363cfafc940a51fb60af9c298946cafa

(this sample)

  
Delivery method
Distributed via web download

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