MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90c983c0a5db34d281c7dfe887f8f9273a63c935187a74240fefb5e866bc295d. 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 1 File information Comments

SHA256 hash: 90c983c0a5db34d281c7dfe887f8f9273a63c935187a74240fefb5e866bc295d
SHA3-384 hash: f96f9d3822cca7c360f247622392eb1e3f459196b218d9306873b5cc056b3f45a79ff220a131761f55724b42451a1736
SHA1 hash: ebebd5dd655d4722fe4e7b9d90c55407f5793b88
MD5 hash: 1d09bbe44fde7829b74c095a1c132a3f
humanhash: mango-spaghetti-nebraska-beer
File name:QUOTE REQUEST #21800176_354667485903 _09_07_2020PDF.PIF
Download: download sample
Signature FormBook
File size:843'264 bytes
First seen:2020-07-13 14:44:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:q4j88W4UuUGVjE4UjgVYZSTNUe8HS74efs:YVuUGNXn6pc0as
Threatray 4'913 similar samples on MalwareBazaar
TLSH FA05D571B8995858E97E03B4DE6876EDDA707E501903D6BB673131CBD8BE2606C0C0BE
Reporter abuse_ch
Tags:FormBook pif


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: biz-authmsr4.hinet.net
Sending IP: 210.59.136.104
From: sales <osman@kablo.com>
Subject: Quotation Request - Medical Supplies
Attachment: QUOTE REQUEST 21800176_354667485903 _09_07_2020PDF.z (contains "QUOTE REQUEST #21800176_354667485903 _09_07_2020PDF.PIF")

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
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
Reading critical registry keys
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.AgentTesla
Status:
Malicious
First seen:
2020-07-13 14:46:06 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
spyware trojan stealer family:formbook persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Deletes itself
Adds Run entry to policy start application
Formbook
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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar

File information


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

899553bb7f54696f7f6cf97e1c81d9cb

FormBook

Executable exe 90c983c0a5db34d281c7dfe887f8f9273a63c935187a74240fefb5e866bc295d

(this sample)

  
Dropped by
MD5 899553bb7f54696f7f6cf97e1c81d9cb
  
Delivery method
Distributed via e-mail attachment

Comments