MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82621455e0c9ed9c46f6947beeaf2c5a6962a035eea50b337fad6368b5a6485b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82621455e0c9ed9c46f6947beeaf2c5a6962a035eea50b337fad6368b5a6485b
SHA3-384 hash: 0e9590e31898b68269939a953a0693d7225f4147fad9f0b65c86b238a36c556def81bf0dc96162ef8e6bf5ab5a189958
SHA1 hash: abec009141314f44b5fd758da0f2444275bae07c
MD5 hash: 09efa59643f68744a292f8950471b1d9
humanhash: wolfram-item-victor-tango
File name:3zuvjVZ328FE8Z5.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:455'168 bytes
First seen:2020-07-05 11:23:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:lj9tcScfNUVmbiOeg2NiKWEw95ZZLcNNLnj:F9tPcfVblKW195DYNNj
Threatray 5'119 similar samples on MalwareBazaar
TLSH BBA470B2939CC5D0DD9612B0651E8EA70A137F9FA4F4A2C809DCB13BCB7B651E1D0792
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20659/
Detection(s):
Win.Packed.Generic-8486170-0
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
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/82621455e0c9ed9c46f6947beeaf2c5a6962a035eea50b337fad6368b5a6485b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-05 11:25:09 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qjrbivpazhwzyrxwsr565lzmljuwfibv52sqwm37vvrwrnngjbnq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
001af3efb9fa637cf4b597d86ec925a4283efb482417861aacabb46a848ec84d
FormBook
01c8cc39f39c1a86d9dc4257a3c784bddba7bfc5037b77e6646ab0d15cf6d95c
FormBook
2f645ad832ecb3de614ff355e67bb7db84812294921a247f7ce1c8b9667f56d0
FormBook
3490dfb2560aed5d468605fbba8d770eeee2a336de3fd7e4a18f22afcad5bc44
FormBook
7aec5714f249052bfb6d9195ee09affa5817bb20fb1096bb49bbc2fb10048e75
FormBook
831d3f64936f8082983b92c219976473a0cebca333b3d8af053bb1bc8de3fe57
FormBook
95e40490a7ab8bc996d2a8a42233563ed067317e7b54a4083808a0d77ee2a5f5
FormBook
cf9ad825f52e8a1af6104737421de123b3ebe44d62a51c340d69fd1d85d9d0b2
FormBook
d76bb689a401094eee47a075368224161d261665c2b285b155d1b7833ba4fbaa
FormBook
ee82b7263174f6d14a23263058616fda1c4676cecf6d0003696d255147963e1b
FormBook
+ 5'109 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
spyware trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200705-6w37r9myne/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Adds Run entry to policy start application
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

Executable exe 82621455e0c9ed9c46f6947beeaf2c5a6962a035eea50b337fad6368b5a6485b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/20659/

Comments