MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f657de9b0eaeb9eabf6d18a202f7b8c7daafd71d03387366069fe9ebd5f282a. 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 3 File information Comments

SHA256 hash: 5f657de9b0eaeb9eabf6d18a202f7b8c7daafd71d03387366069fe9ebd5f282a
SHA3-384 hash: 906545ccb8da2dd9ba5f9a31e585668ac6160c9d0be04cd0edc420d4549523aaf2f05e2595c0c0a29f749f5b874fca5b
SHA1 hash: 4bd12d1bfb55a8d98e680236b1a701f86b534d3d
MD5 hash: ae12ad4da92ff111c04ee53189319dc4
humanhash: maine-zebra-arkansas-michigan
File name:Swift.exe
Download: download sample
Signature FormBook
File size:237'056 bytes
First seen:2020-07-08 13:46:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:eagLuf46w5ZSBpiafrRGL/A7yIEvqQx54Bqxme:Kuf46SZSSaDRGpI+qQx5Kame
Threatray 2'277 similar samples on MalwareBazaar
TLSH CC34D01033703659E6559FB78363A120C7BE4519A303CACF1BA5C1CAEB4B696E35235F
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: ns1.accuratethai.com
Sending IP: 27.254.36.187
From: Rajavel Jayavel <raffa@alrazoukiexchange.com>
Reply-To: raffa@alrazoukiexchange.com
Subject: PAYMENT
Attachment: Swift.zip (contains "Swift.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Deleting a system file
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-08 13:48:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
evasion trojan spyware stealer family:formbook persistence
Behaviour
System policy modification
Modifies Internet Explorer settings
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
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: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.

35407f421f6b6137cc899088494c6699

FormBook

Executable exe 5f657de9b0eaeb9eabf6d18a202f7b8c7daafd71d03387366069fe9ebd5f282a

(this sample)

  
Dropped by
MD5 35407f421f6b6137cc899088494c6699
  
Delivery method
Distributed via e-mail attachment

Comments