MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 049c930e35f038764e8bc794a6ef12474468b01457eac80483059ab91775c7ce. 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: 049c930e35f038764e8bc794a6ef12474468b01457eac80483059ab91775c7ce
SHA3-384 hash: ec721801ca5536fee80ce59bf630551248489fcfafe787472438258b2f2f2d070480f99222d11f797d09a707c36d84f8
SHA1 hash: 59e7b53c346a3054eb0fc1fe068766739f778b32
MD5 hash: 35c3014073543ca0770a7d794de29fcf
humanhash: missouri-mike-wolfram-solar
File name:Tax payment invoice.com
Download: download sample
Signature FormBook
File size:297'472 bytes
First seen:2020-07-10 07:31:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:9LKU8Tao2GhNmdI01+Vm3t3OuWx/kVjOguqMkdirvA68T:9LKUm2iNmdoqt+8V6iM4x
Threatray 5'258 similar samples on MalwareBazaar
TLSH 6854014E2369A31ACDAE7BF47871113143FAC45B9A33F66B5D4128CE15A77C08118AFB
Reporter abuse_ch
Tags:com FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: [68.183.83.115]
Sending IP: 68.183.83.115
From: Hoon Ko <hoonko@capco.co.kr>
Subject: Tax payment invoice
Attachment: Tax payment invoice.xz (contains "Tax payment invoice.com")

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
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
Setting browser functions hooks
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:
Win32.Trojan.Swotter
Status:
Malicious
First seen:
2020-07-10 01:41:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
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 049c930e35f038764e8bc794a6ef12474468b01457eac80483059ab91775c7ce

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments