MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82a761b4157d1fa4e99dbf36c0f30935b19a1dd9875e330d81a70877aa07bc8a. 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

SHA256 hash: 82a761b4157d1fa4e99dbf36c0f30935b19a1dd9875e330d81a70877aa07bc8a
SHA3-384 hash: a0eec69fb24ffc08d3081f4984153a16b201c275097b182826c03f8c8ba4bd4eec5fa11974ab5842b10a09d4395073d3
SHA1 hash: eeb49ecc3842af963b1ab9eb017c5d672ea7fb37
MD5 hash: 4d535bf4723300864190a972b1d4f9ad
humanhash: cat-west-arizona-seven
File name:FedExs AWB#5305323204643.exe
Download: download sample
Signature FormBook
File size:334'848 bytes
First seen:2020-07-10 13:34:04 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:KUXUvPgJxfSBI8MeUOxXVH6Ya1GJ0xWVOl2NRRk6O1YUWQN4CsJQmfalLDH:KU+IfRIVSoJ0QVOl2NR66OjIJQmfax
Threatray 4'511 similar samples on MalwareBazaar
TLSH DA64D05836B8779FD4ABD7F5CA311C3457B0386B8387E24A4C8315DA5A6CF439E40AA3
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-07-10 13:27:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 22 (77.27%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
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
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
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

  
Delivery method
Other

Comments