MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b3a9ff6468f8b2838c739bcbc84e3998a3287a5cebaf5b359c92ea028160f5f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b3a9ff6468f8b2838c739bcbc84e3998a3287a5cebaf5b359c92ea028160f5f
SHA3-384 hash: 101876ca25bf7011946d4d2be749da60a32f7083b5a6d133248a32e58916a40f9b54b6786fe73951727655121de82a7e
SHA1 hash: ea018fb409b27e785ef702d902482eb7c7728366
MD5 hash: 37a45957bdfa9a27fd585e1d9ebd6d2a
humanhash: illinois-east-oscar-kentucky
File name:80613177.jpg
Download: download sample
Signature Formbook
Create hunting rule
File size:543'744 bytes
First seen:2020-08-18 10:53:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:gS14FFhvAqvxXdF9UWK5WpLGeHoSvpaUDGXpinKZGwc2Z1TRP/btUwQ+xQ8j8My:gS1QbvgWK5WpLzXvpaUafth/xQ8w
Threatray 2'303 similar samples on MalwareBazaar
TLSH 7FC4293566C28F29C82F427030789AC662276E453EC58BEE67DE9FC87F0109B762551F
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
FormBook payload URL:
http://13.231.151.34/w2/80613177.jpg

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47686/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop13.45719.24181.27136.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b3a9ff6468f8b2838c739bcbc84e3998a3287a5cebaf5b359c92ea028160f5f/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 10:55:04 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lm5j75sgr6fsqoghhg6lzbhdtgfdfb5fz25plm2zzexkakawb5pq._file
Verdict:
malicious
Label(s):
trickbot
Create hunting rule
Similar samples:
11c59f0e4209102ed073bc0f7842543697a2b241f1573ffe75a34b2181146555
Formbook
777d646e09cf725986f3617d40d5bca943d077015759e346e3e8f5314cac13ce
Formbook
7ff17265ef53a76f3f15ca48db077a3c5dd3d0a5117e0fdfede0f7b32aa6d3a7
Formbook
982973063ae8ea7dbe8cb75740f7e99317efcb46755e51c880f2e303ed4d5e62
Formbook
a1e81b75eb6f2ae159e5994dec6d82df836ae7b89666c4567c3dee8c3d486d43
Formbook
a7d27c9cca035fac67dadf420c7adcfb2b196b4f2db64d94e13ddb6a9ea1c46a
Formbook
b25e43fe3f6068eb13b79f8900dea897533005aee7e2139e6676b7cdc92cc588
Formbook
f79c05650757098e0947e71640242ce2c872e27cc48cd90b812c948e6dc16767
Formbook
fac60337d24368bfafe95f8446c535901714cb300b579bc45a57c4732da7cf1d
Formbook
fc8190f268303e801544fcbeee6d21ac32a72779103cec2e31a9f5963d5a0c55
Formbook
+ 2'293 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
agilenet rat persistence trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200818-vpqzqd2k5e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.magento-tracks.com/iuem/
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

File information

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

Malspam

Formbook

Excel file xls 81c0f90b0a732ef8d1b54f61a252951fd3f42a9854ba918b658fd7da50b799b9

Formbook

Executable exe 5b3a9ff6468f8b2838c739bcbc84e3998a3287a5cebaf5b359c92ea028160f5f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/435565/
  
Dropped by
MD5 39308454b4e6ed0fcbe2e31139acc8c6
  
Dropped by
SHA256 81c0f90b0a732ef8d1b54f61a252951fd3f42a9854ba918b658fd7da50b799b9
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/47686/

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