MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b73caeffe98a9035eefe1465bf9c883f306372f8b4ca2d18973fc18277781363. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: b73caeffe98a9035eefe1465bf9c883f306372f8b4ca2d18973fc18277781363
SHA3-384 hash: 14c16ccdb4794707b53e30718034125eb3673479ffd291a110a108d2e957c8604d2740c034f562931d75bc824da1ed4a
SHA1 hash: fe2b40b2bfe4e92a8658895e9c571e02d0b90b2a
MD5 hash: ed04b51ebb84647385acfcb066ff8ce1
humanhash: burger-william-montana-mountain
File name:Parpack S.A.exe
Download: download sample
Signature FormBook
File size:625'664 bytes
First seen:2020-07-07 06:26:27 UTC
Last seen:2020-07-07 08:20:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:iYmpy1Zr9JyK/aizDG6Q5Gekko+rcWg1kzH4QC0iOq0XONRJkwn6bOVp3eYp+BkH:d9MikPi03C0Akwn6m9
Threatray 4'906 similar samples on MalwareBazaar
TLSH 92D42823B95A7F61D4278FF2448A6C9007F4A80D179EDB173C89B3CA3831B6915939DB
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: server.vreo.net
Sending IP: 143.95.90.162
From: administracion@parpack.com.py
Reply-To: engineering@engineer.com
Subject: PARAGUAY PACKAGING SA // SOLICITUD DE INVESTIGACIÓN //
Attachment: Parpack S.A.zip (contains "Parpack S.A.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2020-07-07 00:11:30 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Adds Run entry to policy start application
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

FormBook

Executable exe b73caeffe98a9035eefe1465bf9c883f306372f8b4ca2d18973fc18277781363

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments