MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 090e4271673d5ec2612d2f162658add467d83b3f7222dee7ecf128ff5656dd31. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 090e4271673d5ec2612d2f162658add467d83b3f7222dee7ecf128ff5656dd31
SHA3-384 hash: a3d14a414acd926bbb440cc0150ceffe51f0de1cb3f7ec05ecb8e194bb676dd760e7588f07ce9060c14de5cb917c0d24
SHA1 hash: 99f5ff52edb08644b3bf01aa2d70f62ec77c6c55
MD5 hash: 5c9416075590c99233e7dee84bd8a4ac
humanhash: west-king-spring-chicken
File name:3D Drawing~pdf.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:697'344 bytes
First seen:2020-05-05 10:22:22 UTC
Last seen:2020-05-05 11:10:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:hOAGTZR2KiG5FDYwn6RdQQz8CJcl07ChMkEKMSK/HeuaSgngIH:8l5i6JWDym7kEKxii
Threatray 5'070 similar samples on MalwareBazaar
TLSH E1E4AF212F9DDC3BD05ACEF9F1422214F575CD4E8D9B8A49CABD26ABC436FC07805968
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: deliveryinfomails.com
Sending IP: 69.195.145.138
From: sales@deliveryinfomails.com
Subject: Re: Quotation
Attachment: Order List.rar (contains "3D Drawing~pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.LuheFihaA.2154.8564.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-05 05:04:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=behee4lhhvpmeyjnf4lcmwfn2rt5qoz7oirn5z7m6eup6vsw3uyq._file
Verdict:
malicious
Similar samples:
00983a8176276beea115d21fef7919c49b29b96d78dbc2151cc04cc7d8c95b35
FormBook
112b6fe2084ca3501c8a98a9cd90f60ce691a438864be736b049062379195818
FormBook
14bae42b571e540d0a07fed658a7ad150ad0075c10c1058abab20ed2cf32117d
FormBook
2a40a9e18303875b2db452783190820001c898e8374864fec29793bf43bbe401
FormBook
a6009a6b0724811f3bb71fc6f0c6b3b1aad71448948175949c7eb8af82034e91
FormBook
a9da529f0ad9088cec7e9441a7081084f417655533998caa004597a1bc6ef262
FormBook
b24a5df4c63722afbed1e3807b18fcc065008ec3431de146dbf3657dffa00893
FormBook
cee1dd4dab302f51c7a8d824e8672bdabd4bae2ef03c015b96702e8ce5e8b70f
FormBook
ebd2f02f7d8313a87d8f7cb6c120cf561519423d7c3de299a003668d02697552
FormBook
f8cd5468cae1b7ef288867c7be839e906c6671310d07c8811d044e435b2759e0
FormBook
+ 5'060 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan persistence
Link:
https://tria.ge/reports/201109-9vmmlr7gt2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of UnmapMainImage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.nyoxibwer.com/mt0/
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
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

rar ab5b5f93c9aed898667bb22abc4650b1a659a3b5a2d6fade94e6a90f0ccd7186

FormBook

Executable exe 090e4271673d5ec2612d2f162658add467d83b3f7222dee7ecf128ff5656dd31

(this sample)

  
Dropped by
MD5 c326232f8a2375499bb2db52eea57884
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ab5b5f93c9aed898667bb22abc4650b1a659a3b5a2d6fade94e6a90f0ccd7186

Comments