MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f20a9d15153246f78e014a994fa4ffabe19a79bc27a4dca89f18a52b99b2d4a. 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: 3f20a9d15153246f78e014a994fa4ffabe19a79bc27a4dca89f18a52b99b2d4a
SHA3-384 hash: 74aab76968d5247f9b15d7d2a8fde498d1caec1473064431f99e59e7b15b0805c9a4bde1245a1462c4eb969c5749060c
SHA1 hash: d9e21dc47005db10cfaca56dfed34910a50f009b
MD5 hash: a807982d63c6cc7dd418491d830fd7c9
humanhash: cup-zebra-one-uncle
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:520'192 bytes
First seen:2020-06-25 13:42:57 UTC
Last seen:2020-06-25 14:52:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:zM20VQ2JyQVeoOXqo76VaF9coyfSfgm/W/uHzg1TtQ/VMIRXLlHqSos1M:zMzQ2JyQVwXfjFhjg/IMtQ9MIJLl/1
Threatray 5'095 similar samples on MalwareBazaar
TLSH 2EB4BE377582943AC129C3B1206D99C2913A4B263712DB1F73EAF3185F116DEB7A534E
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14370/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.349.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.349.23182.21688.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f20a9d15153246f78e014a994fa4ffabe19a79bc27a4dca89f18a52b99b2d4a/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-25 04:07:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4qktukrkmsg66hacsuzj6sp7k7btj43yj5e3suj6gfffom3fvfa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
2ad145ebeae4ff20eeb893b16658fe43d7557f30c746edc355a5dceb393bf8bb
Formbook
498fbde70a7375ef095b51ad4ad72798d26a2d28dd82e155e9afc31e95773bea
Formbook
4fd6cfb4c08338e8b3a6ec64118aa6ad90350e865e90365b5b700aa41908b984
Formbook
590fde182a154cd89b15d88546d60351b9fecb51e04fbbf4affd8d49a618bd23
Formbook
5e5d88343393a5a1f98a66c8e5967023e200dcf3be81bc0a3c210396156d0fea
Formbook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
Formbook
9295ce88660ed117b7cfff0886232a51dc6492bf6100738957bf93fabdb74bb8
Formbook
ac8087b133a1022287bb8aad082e1fd0b669509289a5ef5f2e17714de7acfb5b
Formbook
c7544c2d4180660fc3a96f3b66b5caa0e168dcfbb35a870f1c576a152ed62348
Formbook
d3664113994262962936ebe74d0355986970def0cd0bcdcf088fe102047df9ba
Formbook
+ 5'085 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
persistence spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/200625-dt67ydnsqn/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Uses the VBS compiler for execution
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
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

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/14370/

Comments