MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e40f99cc08408c1ee5a1ec56357f23d993e29a6c4e5751a6fad33e7c9e222e1. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash: 8e40f99cc08408c1ee5a1ec56357f23d993e29a6c4e5751a6fad33e7c9e222e1
SHA3-384 hash: 9ad91742c7bdcf9e7e0021388642316e38038c1eecdedcb97867372a0dfb1568623f9238778fbbd5bc30fde8bfdc03d2
SHA1 hash: b745c6d981fa2b19348c92481a3c3b6d27cf11fc
MD5 hash: c013a10b2c99e66a4b26e912a71d1867
humanhash: chicken-mountain-iowa-zebra
File name:copy.pdf.exe
Download: download sample
Signature FormBook
File size:595'456 bytes
First seen:2020-06-20 06:01:18 UTC
Last seen:2020-06-20 06:58:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Qx8tt1LFzWYe8SdPKKS17TTehYG9qHUamcRWjKezg6rQ/dQ4:QWt1FWH8SIXehYG9qHUXmWjKCgyydZ
Threatray 5'212 similar samples on MalwareBazaar
TLSH A6C4AE64A2DCBCCBD02B5279E53DD90C11A2DD556DA9DA0CA6273EEE3972343702360F
Reporter abuse_ch
Tags:exe FormBook HSBC


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: slot0.wewinning.xyz
Sending IP: 45.95.169.89
From: HSBC <swift@hsbc.com.ph>
Subject: SWIFT confirmation details
Attachment: copy.pdf.zip (contains "copy.pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-06-20 06:03:04 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware
Behaviour
Modifies Internet Explorer settings
Suspicious use of SendNotifyMessage
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads user/profile data of web browsers
Deletes itself
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.

Malspam

FormBook

Executable exe 8e40f99cc08408c1ee5a1ec56357f23d993e29a6c4e5751a6fad33e7c9e222e1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments