MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59fa3f8a4d6fa20d8bc1c51fe3049902e67d6f779af3005dd5ad8b462b060150. 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

SHA256 hash: 59fa3f8a4d6fa20d8bc1c51fe3049902e67d6f779af3005dd5ad8b462b060150
SHA3-384 hash: 074ee422fdcb47424e3975b249e2ce46ef0d92ac65ccca323a65299a3848221144e65c43e1b21fd9b08257e5fdf66cc4
SHA1 hash: 1320ffafe3b6a58490cc1dcd252206891965d35c
MD5 hash: e88c58c244db31d4ff1345e14b9a0973
humanhash: nine-vermont-quiet-sixteen
File name:D067546357089.exe
Download: download sample
Signature Formbook
File size:676'864 bytes
First seen:2020-06-24 07:05:49 UTC
Last seen:2020-06-24 07:40:29 UTC
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:sSLeDi+02aojboORK585VGZ1xbt3oN/EqiOq762DOHXRSY04a+T8:sV0ojTRK65GbtwEqXq7pDOHF04A
Threatray 5'115 similar samples on MalwareBazaar
TLSH 7DE44B35A0E169DDE466CEB29E24A945FFF71D916A02831FE27572F40933785E2002FE
Reporter jarumlus
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-06-24 07:07:05 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
spyware evasion trojan stealer family:formbook persistence
Behaviour
Suspicious use of SendNotifyMessage
System policy modification
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
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.

eaa8640bd6a93da673626645cde0f7ef882fce67e36747bf4b6b5b9070316baa

Formbook

Executable exe 59fa3f8a4d6fa20d8bc1c51fe3049902e67d6f779af3005dd5ad8b462b060150

(this sample)

  
Dropped by
MD5 4e86b3fbc180d3be30720c3cc993cd6c
  
Dropped by
SHA256 eaa8640bd6a93da673626645cde0f7ef882fce67e36747bf4b6b5b9070316baa
  
Delivery method
Distributed via e-mail attachment

Comments