MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcf951a2c7bc31a37486577ae1fc83f97bc1daf987d5a35e9302eb31f5a5ebf0. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcf951a2c7bc31a37486577ae1fc83f97bc1daf987d5a35e9302eb31f5a5ebf0
SHA3-384 hash: d061c801b8dd25e8d16346f390dc8274e650bbc5db2b306ea13297df2868dd94016032cb14d36f0a7da11a16ffe3f849
SHA1 hash: be584653e032bd30328b6dbc5e7a502bde7f8342
MD5 hash: 15841911ca4112d3e662c04db3517145
humanhash: hotel-red-early-ack
File name:Shipment Document BL,INV and Packing list Attached.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:312'320 bytes
First seen:2020-06-30 05:42:52 UTC
Last seen:2020-06-30 11:34:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:Iq7U+f5FmWKP/kLxWYHW13BR1tb1ef3wA7HZxXPsB/6Bq:Iq7U+3o2BHW1x1b0f9HZ9EyBq
Threatray 5'113 similar samples on MalwareBazaar
TLSH 5264013673A5DB7AC5BA97B510B044100FB3BA2B6160D25E6D90B8DE1CB3B509B31F27
Reporter jarumlus
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/16776/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bcf951a2c7bc31a37486577ae1fc83f97bc1daf987d5a35e9302eb31f5a5ebf0/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-30 05:44:06 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xt4vdiwhxqy2g5egk55od7ed7f54dwxzq7k2gxutalvtd5nf5pya._file
Verdict:
malicious
Similar samples:
172be7bb49ca26c5c67465ac2581d08f6301ffccf25fd319e3bc408db5c8a4d3
Formbook
2e96f7a6b4dd1d5251af4962a9028aac90c2ceb282495018c2d879ebf583f9ea
Formbook
474cad642b1cf88f8d7f922cbfd9b8a00d7fc0eb40cafc0877007ee2884f105f
Formbook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
Formbook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
Formbook
9b2c6f08cd9a4e3b144422de4d540290542ce50239f2c85697a036a461b25264
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
b042e4bdfe19df2aa474fd5e2294aecc9a07d447c96466db7a7e20316d885634
Formbook
bea57ca7d937bc5b3507382ba5fd4c4c155181a56cdaf0fba225e4aaa10699ec
Formbook
ce8ca575299e642a92b4ad5f8f766704aeece8fece132037ac902fc94b992bc8
Formbook
+ 5'103 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
evasion trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200630-12t4dwm3ta/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Checks whether UAC is enabled
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

File information

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

Malspam

Formbook

zip 00dfa85b531cdfc13218279a176dbde185eacf30d1b1776b04b73e1f05e5741f

Formbook

Executable exe bcf951a2c7bc31a37486577ae1fc83f97bc1daf987d5a35e9302eb31f5a5ebf0

(this sample)

  
Dropped by
MD5 4359291e0051d51af41b0d598def210d
  
Dropped by
SHA256 00dfa85b531cdfc13218279a176dbde185eacf30d1b1776b04b73e1f05e5741f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/16776/

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