MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad0c0d03282b4abf01f435f798fbb71d0243714518f265fc8f102f909822e671. 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

SHA256 hash: ad0c0d03282b4abf01f435f798fbb71d0243714518f265fc8f102f909822e671
SHA3-384 hash: c6bc4381b311de95c3efc4470ee345e20267135fb08ba6e5c1cc5e514aee8795fc0f40b6919c8de1d3f63dc04ab64d55
SHA1 hash: f9c313ce7ca94bfb909cf3c93574e273a997ae98
MD5 hash: ad847505a30e1ca3b19c648c2e2fef3d
humanhash: happy-zebra-apart-august
File name:Astrak Ireland.exe
Download: download sample
Signature FormBook
File size:675'840 bytes
First seen:2020-07-06 09:39:40 UTC
Last seen:2020-07-06 10:50:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:FyIgvWJpbJy9kLO5IT0u6Q+OZmzEyUCMZrztGwQXcnkpjZlDsd4Z:QIeWPLOj/5UCMlMCnkpdlAd
Threatray 5'674 similar samples on MalwareBazaar
TLSH C8E4BF283966DD02C37697FAC9CBE018037C6C557456CB99AFAE32C96520BD7BC019CB
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: server.vreo.net
Sending IP: 143.95.90.162
From: ireland@astrakgroup.com
Reply-To: engineering@engineer.com
Subject: Astrak Ireland // Request For Inquiry //
Attachment: Astrak Ireland.zip (contains "Astrak Ireland.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
81
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
Reading critical registry keys
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.Wacatac
Status:
Malicious
First seen:
2020-07-06 09:41:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
persistence spyware trojan stealer family:formbook
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
System policy modification
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
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
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.

Malspam

FormBook

Executable exe ad0c0d03282b4abf01f435f798fbb71d0243714518f265fc8f102f909822e671

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments