MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41baebffaddb418b4eca6aff0e3837100c93b9b025be18ebc887493f10608a13. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41baebffaddb418b4eca6aff0e3837100c93b9b025be18ebc887493f10608a13
SHA3-384 hash: 63b0d24277f2fd084dfc4a41898d38b5543b71b72adf6b6d2777e3bd9ed954335b3a7d14b5e616498e1d86eee9c5bbda
SHA1 hash: 777577e6675fc73e8eddc726acc365bf217cb023
MD5 hash: a64815655a7dd85569ec91dd944fbdf3
humanhash: georgia-ack-zebra-spaghetti
File name:RFQ_Forging_200658.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:523'776 bytes
First seen:2020-07-09 11:46:41 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 6144:32s+f4SufstR4vaOTpTmDulCmhL9J0l68iG4DvPZVFyC3CofnqyBnZuwPi3wKsif:r7OEacTaulCSRO6/Zjp7TTMwKszfz42
Threatray 5'296 similar samples on MalwareBazaar
TLSH 2CB4E0B2A2A44BB2E9304BF0643548514FB67D6F2875E65E4DC034EA2BB3FC19520F67
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: 3sapparel.co.141.90.111.in-addr.arpa
Sending IP: 111.90.141.26
From: import <import@jugais.com>
Reply-To: pewal.wsb@gmail.com
Subject: Re:Aw: List Of Approved ORDER From Alibaba
Attachment: RFQ_Forging_200658.rar (contains "RFQ_Forging_200658.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/23720/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WTP.22881.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Setting browser functions hooks
Possible injection to a system process
Enabling autorun with Startup directory
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/41baebffaddb418b4eca6aff0e3837100c93b9b025be18ebc887493f10608a13/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-09 11:48:11 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ig5ox75n3naywtwknl7q4obxcagjhonqew7br26iq5et6edarijq._file
Verdict:
malicious
Similar samples:
01dc6f1bbd2327516211c11e98c9fb2d960a4f89d44db592d01e0163f49607c4
FormBook
7476dcf410a70085858f6941dd7b2eecfee947c2fc5f3119007fa32f46510bd2
FormBook
7da47f5bcbc2669f8c2607d067ad57164ffcf3128963cda4941d4099f21ade88
FormBook
9567c8e503bafd079793058dfadcdfb76608fe40fe89a602b369fd9c7969a3fd
FormBook
a7b732a20e4255640c357284a6677f92e755cdfc0a1b7fc81f3a6928c72fe857
FormBook
c13a9fe750e9c765f6e9b8d5ac7de574ee533743261bd070c32054cd197bdf41
FormBook
cc7970302efd5fe131f88c816525f4b898062cb96ee9e5c00de192298558c52c
FormBook
ce68522259f7e8dd5e8b7907f896193c44e9a5a1243194d9dfb758a708e7968a
FormBook
e3fc20c3720e3822c54c48f53cffb77b3a21769eb9c03c63fe7fb032d7181bfa
FormBook
f93dab0fecce9ee199b9a5196b2c2b513b988b78d2f2d79b233e7a74c50176d7
FormBook
+ 5'286 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200709-yplt3bykzx/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Deletes itself
Reads user/profile data of web browsers
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
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 fce9e790b161a09aab2d031a103de6c66cc31c138fa980e91fa9031889fe8b24

FormBook

Executable exe 41baebffaddb418b4eca6aff0e3837100c93b9b025be18ebc887493f10608a13

(this sample)

  
Dropped by
MD5 75cfc2446a9fdec67d67c3f3f481f2f2
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23720/
  
Dropped by
SHA256 fce9e790b161a09aab2d031a103de6c66cc31c138fa980e91fa9031889fe8b24

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